{"id":6623,"date":"2025-12-09T10:50:20","date_gmt":"2025-12-09T02:50:20","guid":{"rendered":"https:\/\/sunhyings.com\/?page_id=6623"},"modified":"2026-02-04T17:00:03","modified_gmt":"2026-02-04T09:00:03","slug":"spectacle-blinds-flanges","status":"publish","type":"page","link":"https:\/\/sunhyings.com\/fr\/stainless-steel-flange\/specialty\/spectacle-blinds-flanges\/","title":{"rendered":"Lunettes d'obturation \/ Spades"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"6623\" class=\"elementor elementor-6623\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-493a7605 e-flex e-con-boxed e-con e-parent\" data-id=\"493a7605\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-37a0c22b e-con-full e-flex e-con e-child\" data-id=\"37a0c22b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-61858ace elementor-widget elementor-widget-heading\" data-id=\"61858ace\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Spectacle Blinds, Line Spades, and Ring Spacers \uff1aASME B16.48 Line Isolation Solutions for Critical Piping<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6b8d19f3 elementor-widget elementor-widget-text-editor\" data-id=\"6b8d19f3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-path-to-node=\"13,0\">At Sunhyings, we provide comprehensive solutions for positive pipeline isolation. Whether you need a standard <b>Spectacle Blind Flange<\/b> for quick maintenance or heavy-duty <b>Line Spades and Ring Spacers<\/b> for large-diameter pipes, our products guarantee safety and zero leakage. Manufactured in strict accordance with <b>ASME B16.48<\/b> (API 590) standards, our isolation flanges are trusted globally in oil, gas, and chemical industries.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-37904ac elementor-widget elementor-widget-shortcode\" data-id=\"37904ac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><nav aria-label=\"breadcrumbs\" class=\"rank-math-breadcrumb\"><p><span class=\"last\">Home<\/span><\/p><\/nav><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-16a62903 e-flex e-con-boxed e-con e-parent\" data-id=\"16a62903\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-482d32c5 e-con-full e-flex e-con e-child\" data-id=\"482d32c5\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-3e66b4f9 e-con-full e-flex e-con e-child\" data-id=\"3e66b4f9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f084cd0 elementor-widget elementor-widget-heading\" data-id=\"f084cd0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Types of Spectacle Blind &amp; Spades We Supply<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bb688a5 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"bb688a5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-12dfd128 elementor-widget elementor-widget-n-accordion\" data-id=\"12dfd128\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:600,&quot;sizes&quot;:[]},&quot;default_state&quot;:&quot;expanded&quot;,&quot;max_items_expended&quot;:&quot;one&quot;}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-3160\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-3160\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> <div class=\"centered-link-container\">     <a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\" class=\"styled-flange-link\">                  <img decoding=\"async\" src=\"https:\/\/sunhyings.com\/wp-content\/uploads\/2025\/10\/flang.webp\" alt=\"Plate Flat Face Flanges\" width=\"50px\" height=\"50px\">                        Stainless Steel Flanges     <\/a> <\/div> <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-3160\" class=\"elementor-element elementor-element-399f28d2 e-con-full e-flex e-con e-child\" data-id=\"399f28d2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-512f52ad elementor-widget elementor-widget-n-accordion\" data-id=\"512f52ad\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;expanded&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1360\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-1360\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> By Design Type <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region region\" aria-labelledby=\"e-n-accordion-item-3160 e-n-accordion-item-1360\" class=\"elementor-element elementor-element-33b7064 e-con-full e-flex e-con e-child\" data-id=\"33b7064\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-78154545 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"78154545\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">All Stainless Steel Flange<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/weld-neck-flanges\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">\u200b\u200bWeld Neck Flanges<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/slip-on-flanges\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">\u200b\u200bSlip-On Flanges<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/blind-flanges\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Blind Flanges<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/socket-weld-flanges\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Socket Weld Flanges<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/threaded-flanges\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Threaded Flanges<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/lap-joint-flanges\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Lap Joint Flanges<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/plate-flat-face-flanges\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">\u200b\u200bPlate Flat Face Flanges<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/custom-flanges\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Custom Flange\u200bs<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1361\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1361\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> By Standard &amp; Class <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region region\" aria-labelledby=\"e-n-accordion-item-3160 e-n-accordion-item-1361\" class=\"elementor-element elementor-element-59c11b08 e-con-full e-flex e-con e-child\" data-id=\"59c11b08\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2a24be80 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"2a24be80\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/standards\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">All Standard<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/standards\/asme-b16-5\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">ASME \/ ANSI B16.5<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/standards\/asme-b16-47\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">ASME B16.47 Series A\/B<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/standards\/api-6a\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">High Pressure (API 6A)<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/standards\/en-din\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">EN 1092-1 \/ DIN<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/standards\/jis-b2220\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">JIS B2220<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1362\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1362\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Advanced Materials <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region region\" aria-labelledby=\"e-n-accordion-item-3160 e-n-accordion-item-1362\" class=\"elementor-element elementor-element-4ece6d95 e-con-full e-flex e-con e-child\" data-id=\"4ece6d95\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7065d53d elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"7065d53d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/materials\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">All Materials<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/materials\/stainless-steel-304-316\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">304\/304L &amp; 316\/316L<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/materials\/duplex-steel-2205\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Duplex Steel 2205<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/materials\/super-duplex-2507\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Super Duplex 2507<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/materials\/nickel-alloys-flanges\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Nickel Alloys<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/materials\/titanium-flanges\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Titanium Flanges<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/materials\/super-austenitic-flanges\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Super Austenitic<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1363\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1363\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Specialty &amp; Engineering <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region region\" aria-labelledby=\"e-n-accordion-item-3160 e-n-accordion-item-1363\" class=\"elementor-element elementor-element-268d87ed e-con-full e-flex e-con e-child\" data-id=\"268d87ed\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6f14e4b8 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"6f14e4b8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/specialty\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">All Specialty<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/specialty\/tube-sheet-flanges\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Tube Sheet Flanges<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/specialty\/pressure-vessel-flanges\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Pressure Vessel Flanges<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/specialty\/orifice-flanges\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Orifice Flanges<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/specialty\/anchor-flanges\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Anchor Flanges<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/specialty\/swivel-flanges\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Swivel Flanges<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/specialty\/spectacle-blinds-flanges\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Spectacle Blinds \/ Spades<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3bdd872b elementor-widget elementor-widget-text-editor\" data-id=\"3bdd872b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/sunhyings.com\/resources\/flange-dimensions\/\">\u27a1 Flange Dimensions Table<\/a><\/p><p><a href=\"https:\/\/sunhyings.com\/resources\/material-grades\/\">\u27a1 Material Grades Guide<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3549d2fa e-con-full e-flex e-con e-child\" data-id=\"3549d2fa\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-25d642f e-con-full e-flex e-con e-child\" data-id=\"25d642f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-2ffb1a62 e-grid e-con-full e-con e-child\" data-id=\"2ffb1a62\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-733a6acd elementor-widget elementor-widget-image-box\" data-id=\"733a6acd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\"><a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/plate-flat-face-flanges\/\">Spectacle Blinds<\/a><\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-356c48d elementor-widget elementor-widget-image-box\" data-id=\"356c48d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\"><a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/plate-flat-face-flanges\/\"> Line Spades<\/a><\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1eaf7e4 elementor-widget elementor-widget-image-box\" data-id=\"1eaf7e4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\"><a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/plate-flat-face-flanges\/\">Ring Spacers<\/a><\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-51503ec6 e-con-full e-flex e-con e-parent\" data-id=\"51503ec6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-542239a9 e-con-full e-flex e-con e-child\" data-id=\"542239a9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-59e30fe9 e-flex e-con-boxed e-con e-child\" data-id=\"59e30fe9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4a425e2d elementor-widget elementor-widget-heading\" data-id=\"4a425e2d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why Choose Sunhy?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-650b5bd6 elementor-widget elementor-widget-text-editor\" data-id=\"650b5bd6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li data-path-to-node=\"2,0,0\"><b>Certified Quality:<\/b> Strictly manufactured to <b>ASME B16.48<\/b> with full Mill Test Certificates (EN 10204 3.1) included.<\/li><li><p data-path-to-node=\"2,1,0\"><b>100% Traceability:<\/b> rigorous PMI (Positive Material Identification) testing on all Stainless &amp; Carbon Steel grades.<\/p><\/li><li><p data-path-to-node=\"2,2,0\"><b>Custom Solutions:<\/b> We offer special dimensions, coatings, and <b>Jack Screw<\/b> integration for safer maintenance.<\/p><\/li><li><p data-path-to-node=\"2,3,0\"><b>One-Stop Supply:<\/b> We can package your blinds with matching <b>gaskets and bolts<\/b> to ensure a perfect fit.<\/p><\/li><li><p data-path-to-node=\"2,4,0\"><b>Global Delivery:<\/b> Expert packaging and logistics for heavy flanges, ensuring safe arrival worldwide.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3d2a6dc4 elementor-align-left elementor-widget elementor-widget-button\" data-id=\"3d2a6dc4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjEzNCIsInRvZ2dsZSI6ZmFsc2V9\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Get Your Project Quote Now<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-29f47f38 e-con-full e-flex e-con e-parent\" data-id=\"29f47f38\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-3a05f890 e-flex e-con-boxed e-con e-child\" data-id=\"3a05f890\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-11b58952 e-con-full e-flex e-con e-child\" data-id=\"11b58952\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3165d658 elementor-widget elementor-widget-heading\" data-id=\"3165d658\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What are Spectacle Blinds and Line Spades?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5b43554e elementor-widget elementor-widget-text-editor\" data-id=\"5b43554e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-path-to-node=\"14\">These are safety devices used to permanently isolate a section of pipe or equipment. Unlike a valve, they provide a physical, visible assurance that a line is closed (&#8220;blinded&#8221;) or open.<\/p><p data-path-to-node=\"15\"><b>1. Spectacle Blind Flanges (Figure-8 Blinds)<\/b> Ideal for pipe sizes from 1\/2&#8243; to 24&#8243;. The unit consists of a steel spade (blind) and a spacer (ring) connected by a web, resembling a pair of spectacles.<\/p><ul data-path-to-node=\"16\"><li><p data-path-to-node=\"16,0,0\"><b>Function:<\/b> To switch between open and closed positions, simply loosen the bolts (often using <b>jack screw flanges<\/b> to spread the joint) and rotate the blind.<\/p><\/li><li><p data-path-to-node=\"16,1,0\"><b>Benefit:<\/b> The &#8220;open&#8221; and &#8220;closed&#8221; parts are attached, preventing loss of parts and ensuring quick identification of the line status.<\/p><\/li><\/ul><p data-path-to-node=\"17\"><b>2. Line Spades (Paddle Blinds) &amp; Ring Spacers<\/b> For larger pipelines (e.g., <b>spectacle blind flanges 36 inches<\/b> and above) or high-pressure ratings (Class 900+), the weight of a single spectacle blind becomes too heavy to handle safely.<\/p><ul data-path-to-node=\"18\"><li><p data-path-to-node=\"18,0,0\"><b>Solution:<\/b> We use separate <b>Line Spades<\/b> (to block flow) and <b>Ring Spacers<\/b> (to allow flow).<\/p><\/li><li><p data-path-to-node=\"18,1,0\"><b>Handle Design:<\/b> Our spades feature distinct handles that protrude from the flange connection, providing a clear visual indicator of the line&#8217;s status even when insulated.<\/p><\/li><\/ul><p data-path-to-node=\"19\"><b>Standard &amp; Material Compliance<\/b> We prioritize safety and durability. Our flanges meet <b>ASME B16.48<\/b> standards for dimensions and <b>ASME B16.5<\/b> for mating flange compatibility.<\/p><ul data-path-to-node=\"20\"><li><p data-path-to-node=\"20,0,0\"><b>Stainless Steel Spectacle Blinds:<\/b> Manufactured from ASTM A182 F304\/304L and F316\/316L, ideal for corrosive chemical and offshore environments.<\/p><\/li><li><p data-path-to-node=\"20,1,0\"><b>Carbon Steel:<\/b> ASTM A105 and A350 LF2 for standard oil &amp; gas applications.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-59ae7f87 e-con-full e-flex e-con e-child\" data-id=\"59ae7f87\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d497397 elementor-widget elementor-widget-text-editor\" data-id=\"d497397\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<table data-path-to-node=\"24\"><thead><tr><td><strong>Feature<\/strong><\/td><td><strong>Specification Details<\/strong><\/td><\/tr><\/thead><tbody><tr><td><span data-path-to-node=\"24,1,0,0\"><b>Product Names<\/b><\/span><\/td><td><span data-path-to-node=\"24,1,1,0\">Spectacle Blind, Figure-8 Blind, Line Spade (Paddle Blind), Ring Spacer (Paddle Spacer)<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"24,2,0,0\"><b>Design Standards<\/b><\/span><\/td><td><span data-path-to-node=\"24,2,1,0\">ASME B16.48, API 590<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"24,3,0,0\"><b>Size Range<\/b><\/span><\/td><td><span data-path-to-node=\"24,3,1,0\">1\/2&#8243; to 60&#8243; (Spectacle type typically up to 24&#8243;)<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"24,4,0,0\"><b>Pressure Ratings<\/b><\/span><\/td><td><span data-path-to-node=\"24,4,1,0\">Class 150, 300, 600, 900, 1500, 2500<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"24,5,0,0\"><b>Sealing Face<\/b><\/span><\/td><td><span data-path-to-node=\"24,5,1,0\">Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"24,6,0,0\"><b>Stainless Steel Materials<\/b><\/span><\/td><td><span data-path-to-node=\"24,6,1,0\">ASTM A182 F304\/F304L, F316\/F316L, F321, F347, F904L<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"24,7,0,0\"><b>Carbon &amp; Alloy Materials<\/b><\/span><\/td><td><span data-path-to-node=\"24,7,1,0\">ASTM A105, A350 LF2, ASTM A182 F5, F9, F11, F22, F91<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"24,8,0,0\"><b>Surface Finish<\/b><\/span><\/td><td><span data-path-to-node=\"24,8,1,0\">Anti-rust oil, Black painting, Galvanized, or Pickled (for Stainless)<\/span><\/td><\/tr><\/tbody><\/table><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-713b9bf e-con-full e-flex e-con e-parent\" data-id=\"713b9bf\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-2a9beda e-flex e-con-boxed e-con e-child\" data-id=\"2a9beda\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-04824cb e-con-full e-flex e-con e-child\" data-id=\"04824cb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e3fe059 elementor-widget elementor-widget-heading\" data-id=\"e3fe059\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Spectacle Blind vs. Blind Flange vs. Slip Blinds<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de04367 elementor-widget elementor-widget-text-editor\" data-id=\"de04367\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-path-to-node=\"39\"><a href=\"https:\/\/sunhyings.com\/blog\/blind-flange-vs-spectacle-blind-flange-whats-the-difference\/\">Spectacle Blind vs. Blind Flange.<\/a> Customers often ask about the difference between these isolation methods:<\/p><ol start=\"1\" data-path-to-node=\"40\"><li><p data-path-to-node=\"40,0,0\"><b>Spectacle Blind:<\/b> A single unit attached to the line. Pros: Immediate availability, no missing parts. Cons: Heavy for very large sizes.<\/p><\/li><li><p data-path-to-node=\"40,1,0\"><b>Standard Blind Flange:<\/b> Used to terminate the end of a pipe permanently or semi-permanently.<\/p><\/li><li><p data-path-to-node=\"40,2,0\"><b>Spades and Ring Spacers (Paddle Blinds):<\/b> Similar function to spectacle blinds but are two separate pieces. Preferred for large diameter pipes (e.g., above 24 inches) where the weight of a connected spectacle blind would be too heavy to rotate manually.<\/p><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-029ddae e-con-full e-flex e-con e-parent\" data-id=\"029ddae\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-1621448 e-flex e-con-boxed e-con e-child\" data-id=\"1621448\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-d77d938 e-con-full e-flex e-con e-child\" data-id=\"d77d938\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8177908 elementor-widget elementor-widget-heading\" data-id=\"8177908\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Dimensions &amp; Weight Info<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4ac1b23 elementor-widget elementor-widget-text-editor\" data-id=\"4ac1b23\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-path-to-node=\"28\">Engineers must account for <b>spectacle blind flange dimensions<\/b> and weight during piping design.<\/p><ul data-path-to-node=\"29\"><li><p data-path-to-node=\"29,0,0\"><b>Thickness:<\/b> The thickness of the blind plate increases with pressure class to withstand the line pressure.<\/p><\/li><li><p data-path-to-node=\"29,1,0\"><b>Weight:<\/b> A 12-inch Class 150 spectacle blind weighs approx. 17kg, while a Class 900 version can weigh over 80kg. For heavy blinds, we recommend using <b>Line Spades<\/b> to comply with lifting safety regulations.<\/p><\/li><li><p data-path-to-node=\"29,2,0\"><i>Download our full PDF catalog for detailed dimensional charts.<\/i><\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-eeb767c e-con-full e-flex e-con e-parent\" data-id=\"eeb767c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-435e1c8 e-flex e-con-boxed e-con e-child\" data-id=\"435e1c8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-964e587 e-con-full e-flex e-con e-child\" data-id=\"964e587\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-425d032 elementor-widget elementor-widget-heading\" data-id=\"425d032\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Applications<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-097a19b elementor-widget elementor-widget-text-editor\" data-id=\"097a19b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li><p data-path-to-node=\"33,0,0\"><b>Oil &amp; Gas Refineries:<\/b> Isolating standard process lines for maintenance.<\/p><\/li><li><p data-path-to-node=\"33,1,0\"><b>Chemical &amp; Petrochemical:<\/b> Preventing cross-contamination in manifold systems.<\/p><\/li><li><p data-path-to-node=\"33,2,0\"><b>Offshore Platforms:<\/b> High-corrosion resistance using Duplex and Stainless Steel blinds.<\/p><\/li><li><p data-path-to-node=\"33,3,0\"><b>Water Treatment:<\/b> Large diameter isolation.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-580f1c10 e-flex e-con-boxed e-con e-parent\" data-id=\"580f1c10\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-72ad0e3d elementor-widget elementor-widget-heading\" data-id=\"72ad0e3d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Related blog<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-767f2e98 elementor-grid-4 elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-widget elementor-widget-portfolio\" data-id=\"767f2e98\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;columns&quot;:&quot;4&quot;,&quot;masonry&quot;:&quot;yes&quot;,&quot;row_gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:25,&quot;sizes&quot;:[]},&quot;columns_tablet&quot;:&quot;2&quot;,&quot;columns_mobile&quot;:&quot;1&quot;,&quot;item_gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"portfolio.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-portfolio elementor-grid elementor-posts-container\" role=\"list\">\n\t\t\t\t<article class=\"elementor-portfolio-item elementor-post  post-6793 post type-post status-publish format-standard has-post-thumbnail hentry category-selection-comparison tag-flange-blind tag-flange-spectacle-blind tag-pf-flanges tag-topic-comparison tag-topic-selection\" role=\"listitem\">\n\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/sunhyings.com\/fr\/blog\/blind-flange-vs-spectacle-blind-flange-whats-the-difference\/\">\n\t\t\t\t<div class=\"elementor-portfolio-item__img elementor-post__thumbnail\">\n\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"768\" src=\"https:\/\/sunhyings.com\/wp-content\/uploads\/2025\/12\/Blind-Flange-vs.-Spectacle-Blind-Flange-Whats-the-Difference1-768x768.webp\" class=\"attachment-medium_large size-medium_large wp-image-6798\" alt=\"Blind Flange vs. Spectacle Blind Flange-What&apos;s the Difference\" srcset=\"https:\/\/sunhyings.com\/wp-content\/uploads\/2025\/12\/Blind-Flange-vs.-Spectacle-Blind-Flange-Whats-the-Difference1-768x768.webp 768w, https:\/\/sunhyings.com\/wp-content\/uploads\/2025\/12\/Blind-Flange-vs.-Spectacle-Blind-Flange-Whats-the-Difference1-800x800.webp 800w, https:\/\/sunhyings.com\/wp-content\/uploads\/2025\/12\/Blind-Flange-vs.-Spectacle-Blind-Flange-Whats-the-Difference1-1024x1024.webp 1024w, https:\/\/sunhyings.com\/wp-content\/uploads\/2025\/12\/Blind-Flange-vs.-Spectacle-Blind-Flange-Whats-the-Difference1-300x300.webp 300w, https:\/\/sunhyings.com\/wp-content\/uploads\/2025\/12\/Blind-Flange-vs.-Spectacle-Blind-Flange-Whats-the-Difference1-1536x1536.webp 1536w, https:\/\/sunhyings.com\/wp-content\/uploads\/2025\/12\/Blind-Flange-vs.-Spectacle-Blind-Flange-Whats-the-Difference1-12x12.webp 12w, https:\/\/sunhyings.com\/wp-content\/uploads\/2025\/12\/Blind-Flange-vs.-Spectacle-Blind-Flange-Whats-the-Difference1.webp 2048w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t<\/div>\n\t\t\t\t<div class=\"elementor-portfolio-item__overlay\">\n\t\t\t\t<h3 class=\"elementor-portfolio-item__title\">\n\t\tBlind Flange vs Spectacle Blind: Best Isolation for Piping? (Guide)\t\t<\/h3>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-15375c9c e-flex e-con-boxed e-con e-parent\" data-id=\"15375c9c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-216ddc1c e-con-full e-flex e-con e-child\" data-id=\"216ddc1c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e7aa276 elementor-widget elementor-widget-heading\" data-id=\"e7aa276\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAQ<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7abd7969 elementor-widget__width-initial elementor-widget elementor-widget-toggle\" data-id=\"7abd7969\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"toggle.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h5 id=\"elementor-tab-title-2051\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-2051\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"a\" width=\"43.104\" height=\"45.888\" viewBox=\"0 0 43.104 45.888\"><polygon points=\"24.096 20.16 24.096 0 19.008 0 19.008 20.16 0 20.16 0 25.248 19.008 25.248 19.008 45.888 24.096 45.888 24.096 25.248 43.104 25.248 43.104 20.16 24.096 20.16\"><\/polygon><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"a\" width=\"43\" height=\"6\" viewBox=\"0 0 43 6\"><rect width=\"43\" height=\"6\"><\/rect><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">What is the difference between a Spectacle Blind and a Blind Flange?<\/a>\n\t\t\t\t\t<\/h5>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-2051\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-2051\"><p data-path-to-node=\"4\"><span data-path-to-node=\"4,0\">A <b>Spectacle Blind<\/b> (ASME B16.48) is a safety isolation device consisting of a solid disc and a hollow ring connected by a tie bar, installed between two flanges to allow for isolation without removing the component from the line. In contrast, a <a href=\"https:\/\/sunhyings.com\/stainless-steel-flange\/blind-flanges\/\"><b>Blind Flange<\/b><\/a> (ASME B16.5) is a solid disc bolted to the end of a pipe to terminate the line, requiring full removal to reopen the system.<\/span><\/p><table data-path-to-node=\"6\"><thead><tr><td><strong>Feature<\/strong><\/td><td><strong>Spectacle Blind<\/strong><\/td><td><strong>Blind Flange<\/strong><\/td><\/tr><\/thead><tbody><tr><td><span data-path-to-node=\"6,1,0,0\"><b>Standard<\/b><\/span><\/td><td><span data-path-to-node=\"6,1,1,0\">ASME B16.48<\/span><\/td><td><span data-path-to-node=\"6,1,2,0\">ASME B16.5<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"6,2,0,0\"><b>Structure<\/b><\/span><\/td><td><span data-path-to-node=\"6,2,1,0\">Figure-8 (Solid + Open ends)<\/span><\/td><td><span data-path-to-node=\"6,2,2,0\">Single Solid Disc<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"6,3,0,0\"><b>Installation<\/b><\/span><\/td><td><span data-path-to-node=\"6,3,1,0\">Sandwiched between flanges<\/span><\/td><td><span data-path-to-node=\"6,3,2,0\">Bolted to pipe end<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"6,4,0,0\"><b>Function<\/b><\/span><\/td><td><span data-path-to-node=\"6,4,1,0\">Reversible (Open\/Close switching)<\/span><\/td><td><span data-path-to-node=\"6,4,2,0\">Permanent or End-of-Line Closure<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"6,5,0,0\"><b>Efficiency<\/b><\/span><\/td><td><span data-path-to-node=\"6,5,1,0\">High (Rotates in place)<\/span><\/td><td><span data-path-to-node=\"6,5,2,0\">Low (Must be removed)<\/span><\/td><\/tr><\/tbody><\/table><p data-path-to-node=\"4\">\u00a0<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h5 id=\"elementor-tab-title-2052\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-2052\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"a\" width=\"43.104\" height=\"45.888\" viewBox=\"0 0 43.104 45.888\"><polygon points=\"24.096 20.16 24.096 0 19.008 0 19.008 20.16 0 20.16 0 25.248 19.008 25.248 19.008 45.888 24.096 45.888 24.096 25.248 43.104 25.248 43.104 20.16 24.096 20.16\"><\/polygon><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"a\" width=\"43\" height=\"6\" viewBox=\"0 0 43 6\"><rect width=\"43\" height=\"6\"><\/rect><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">When should I use a Line Spade instead of a Spectacle Blind?<\/a>\n\t\t\t\t\t<\/h5>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-2052\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-2052\"><p data-path-to-node=\"9\">You should use a <b>Line Spade<\/b> (Paddle Blind) and Spacer instead of a Spectacle Blind for piping systems larger than <b>NPS 10 to 12<\/b>, or in high-pressure classes where weight becomes a safety issue.<\/p><p data-path-to-node=\"10\"><span data-path-to-node=\"10,0\">While Spectacle Blinds are convenient for smaller pipes, they become impractical in the following scenarios <\/span><span data-path-to-node=\"10,2\">:<\/span><\/p><div class=\"source-inline-chip-container ng-star-inserted\">\u00a0<\/div><div class=\"source-inline-chip-container ng-star-inserted\">\u00a0<\/div><div class=\"source-inline-chip-container ng-star-inserted\">\u00a0<\/div><ul data-path-to-node=\"11\"><li><p data-path-to-node=\"11,0,0\"><b>Weight Constraints:<\/b> In large diameters, a single-piece Spectacle Blind can weigh hundreds of pounds. Using a separate Spade and Spacer halves the weight maintenance crews must lift during changeovers.<\/p><\/li><li><p data-path-to-node=\"11,1,0\"><b>Space Limitations:<\/b> Spectacle Blinds require significant clearance to rotate the &#8220;figure-8&#8221; shape. In congested pipe racks, a Spade (which is inserted directly) saves vertical and lateral space.<\/p><\/li><li><p data-path-to-node=\"11,2,0\"><b>Cost Efficiency:<\/b> For very large or high-alloy applications, manufacturing two separate pieces (Spade and Spacer) is often more cost-effective than a massive, single-forged Spectacle Blind.<\/p><\/li><\/ul><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h5 id=\"elementor-tab-title-2053\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-2053\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"a\" width=\"43.104\" height=\"45.888\" viewBox=\"0 0 43.104 45.888\"><polygon points=\"24.096 20.16 24.096 0 19.008 0 19.008 20.16 0 20.16 0 25.248 19.008 25.248 19.008 45.888 24.096 45.888 24.096 25.248 43.104 25.248 43.104 20.16 24.096 20.16\"><\/polygon><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"a\" width=\"43\" height=\"6\" viewBox=\"0 0 43 6\"><rect width=\"43\" height=\"6\"><\/rect><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Do you offer Jack Screws?<\/a>\n\t\t\t\t\t<\/h5>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-2053\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-2053\"><p data-path-to-node=\"14\">Yes, we supply <b>Jack Screws<\/b> (also known as Flange Spreaders or Jack Bolts) as essential accessories for safe blind isolation.<\/p><p data-path-to-node=\"15\"><span data-path-to-node=\"15,0\">In the context of ASME B16.48 isolation, Jack Screws are used to spread the mating flanges safely, breaking the gasket seal to allow for the rotation of a Spectacle Blind or the insertion of a Spade.<\/span><\/p><div class=\"source-inline-chip-container ng-star-inserted\">\u00a0<\/div><div class=\"source-inline-chip-container ng-star-inserted\">\u00a0<\/div><p data-path-to-node=\"16\"><b>How to Use Jack Screws for Isolation:<\/b><\/p><ol start=\"1\" data-path-to-node=\"17\"><li><p data-path-to-node=\"17,0,0\"><b>Depressurize:<\/b> Ensure the line is fully depressurized and drained.<\/p><\/li><li><p data-path-to-node=\"17,1,0\"><b>Loosen:<\/b> Loosen all flange bolts (do not remove them entirely).<\/p><\/li><li><p data-path-to-node=\"17,2,0\"><b>Engage:<\/b> Turn the Jack Screws to apply pressure against the flange faces.<\/p><\/li><li><p data-path-to-node=\"17,3,0\"><b>Spread:<\/b> Create a gap just wide enough to free the Spectacle Blind or Spacer.<\/p><\/li><li><p data-path-to-node=\"17,4,0\"><b>Rotate:<\/b> Rotate the blind to the desired position.<\/p><\/li><li><p data-path-to-node=\"17,5,0\"><span data-path-to-node=\"17,5,0,0\"><b>Retract:<\/b> Retract the Jack Screws and retorque the flange bolts to specifications.<\/span><\/p><\/li><\/ol><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<script type=\"application\/ld+json\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is the difference between a Spectacle Blind and a Blind Flange?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p data-path-to-node=\\\"4\\\"><span data-path-to-node=\\\"4,0\\\">A <b>Spectacle Blind<\\\/b> (ASME B16.48) is a safety isolation device consisting of a solid disc and a hollow ring connected by a tie bar, installed between two flanges to allow for isolation without removing the component from the line. In contrast, a <a href=\\\"https:\\\/\\\/sunhyings.com\\\/stainless-steel-flange\\\/blind-flanges\\\/\\\"><b>Blind Flange<\\\/b><\\\/a> (ASME B16.5) is a solid disc bolted to the end of a pipe to terminate the line, requiring full removal to reopen the system.<\\\/span><\\\/p><table data-path-to-node=\\\"6\\\"><thead><tr><td><strong>Feature<\\\/strong><\\\/td><td><strong>Spectacle Blind<\\\/strong><\\\/td><td><strong>Blind Flange<\\\/strong><\\\/td><\\\/tr><\\\/thead><tbody><tr><td><span data-path-to-node=\\\"6,1,0,0\\\"><b>Standard<\\\/b><\\\/span><\\\/td><td><span data-path-to-node=\\\"6,1,1,0\\\">ASME B16.48<\\\/span><\\\/td><td><span data-path-to-node=\\\"6,1,2,0\\\">ASME B16.5<\\\/span><\\\/td><\\\/tr><tr><td><span data-path-to-node=\\\"6,2,0,0\\\"><b>Structure<\\\/b><\\\/span><\\\/td><td><span data-path-to-node=\\\"6,2,1,0\\\">Figure-8 (Solid + Open ends)<\\\/span><\\\/td><td><span data-path-to-node=\\\"6,2,2,0\\\">Single Solid Disc<\\\/span><\\\/td><\\\/tr><tr><td><span data-path-to-node=\\\"6,3,0,0\\\"><b>Installation<\\\/b><\\\/span><\\\/td><td><span data-path-to-node=\\\"6,3,1,0\\\">Sandwiched between flanges<\\\/span><\\\/td><td><span data-path-to-node=\\\"6,3,2,0\\\">Bolted to pipe end<\\\/span><\\\/td><\\\/tr><tr><td><span data-path-to-node=\\\"6,4,0,0\\\"><b>Function<\\\/b><\\\/span><\\\/td><td><span data-path-to-node=\\\"6,4,1,0\\\">Reversible (Open\\\/Close switching)<\\\/span><\\\/td><td><span data-path-to-node=\\\"6,4,2,0\\\">Permanent or End-of-Line Closure<\\\/span><\\\/td><\\\/tr><tr><td><span data-path-to-node=\\\"6,5,0,0\\\"><b>Efficiency<\\\/b><\\\/span><\\\/td><td><span data-path-to-node=\\\"6,5,1,0\\\">High (Rotates in place)<\\\/span><\\\/td><td><span data-path-to-node=\\\"6,5,2,0\\\">Low (Must be removed)<\\\/span><\\\/td><\\\/tr><\\\/tbody><\\\/table><p data-path-to-node=\\\"4\\\">\\u00a0<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"When should I use a Line Spade instead of a Spectacle Blind?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p data-path-to-node=\\\"9\\\">You should use a <b>Line Spade<\\\/b> (Paddle Blind) and Spacer instead of a Spectacle Blind for piping systems larger than <b>NPS 10 to 12<\\\/b>, or in high-pressure classes where weight becomes a safety issue.<\\\/p><p data-path-to-node=\\\"10\\\"><span data-path-to-node=\\\"10,0\\\">While Spectacle Blinds are convenient for smaller pipes, they become impractical in the following scenarios <\\\/span><span data-path-to-node=\\\"10,2\\\">:<\\\/span><\\\/p><div class=\\\"source-inline-chip-container ng-star-inserted\\\">\\u00a0<\\\/div><div class=\\\"source-inline-chip-container ng-star-inserted\\\">\\u00a0<\\\/div><div class=\\\"source-inline-chip-container ng-star-inserted\\\">\\u00a0<\\\/div><ul data-path-to-node=\\\"11\\\"><li><p data-path-to-node=\\\"11,0,0\\\"><b>Weight Constraints:<\\\/b> In large diameters, a single-piece Spectacle Blind can weigh hundreds of pounds. Using a separate Spade and Spacer halves the weight maintenance crews must lift during changeovers.<\\\/p><\\\/li><li><p data-path-to-node=\\\"11,1,0\\\"><b>Space Limitations:<\\\/b> Spectacle Blinds require significant clearance to rotate the &#8220;figure-8&#8221; shape. In congested pipe racks, a Spade (which is inserted directly) saves vertical and lateral space.<\\\/p><\\\/li><li><p data-path-to-node=\\\"11,2,0\\\"><b>Cost Efficiency:<\\\/b> For very large or high-alloy applications, manufacturing two separate pieces (Spade and Spacer) is often more cost-effective than a massive, single-forged Spectacle Blind.<\\\/p><\\\/li><\\\/ul>\"}},{\"@type\":\"Question\",\"name\":\"Do you offer Jack Screws?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p data-path-to-node=\\\"14\\\">Yes, we supply <b>Jack Screws<\\\/b> (also known as Flange Spreaders or Jack Bolts) as essential accessories for safe blind isolation.<\\\/p><p data-path-to-node=\\\"15\\\"><span data-path-to-node=\\\"15,0\\\">In the context of ASME B16.48 isolation, Jack Screws are used to spread the mating flanges safely, breaking the gasket seal to allow for the rotation of a Spectacle Blind or the insertion of a Spade.<\\\/span><\\\/p><div class=\\\"source-inline-chip-container ng-star-inserted\\\">\\u00a0<\\\/div><div class=\\\"source-inline-chip-container ng-star-inserted\\\">\\u00a0<\\\/div><p data-path-to-node=\\\"16\\\"><b>How to Use Jack Screws for Isolation:<\\\/b><\\\/p><ol start=\\\"1\\\" data-path-to-node=\\\"17\\\"><li><p data-path-to-node=\\\"17,0,0\\\"><b>Depressurize:<\\\/b> Ensure the line is fully depressurized and drained.<\\\/p><\\\/li><li><p data-path-to-node=\\\"17,1,0\\\"><b>Loosen:<\\\/b> Loosen all flange bolts (do not remove them entirely).<\\\/p><\\\/li><li><p data-path-to-node=\\\"17,2,0\\\"><b>Engage:<\\\/b> Turn the Jack Screws to apply pressure against the flange faces.<\\\/p><\\\/li><li><p data-path-to-node=\\\"17,3,0\\\"><b>Spread:<\\\/b> Create a gap just wide enough to free the Spectacle Blind or Spacer.<\\\/p><\\\/li><li><p data-path-to-node=\\\"17,4,0\\\"><b>Rotate:<\\\/b> Rotate the blind to the desired position.<\\\/p><\\\/li><li><p data-path-to-node=\\\"17,5,0\\\"><span data-path-to-node=\\\"17,5,0,0\\\"><b>Retract:<\\\/b> Retract the Jack Screws and retorque the flange bolts to specifications.<\\\/span><\\\/p><\\\/li><\\\/ol>\"}}]}<\/script>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3bb8ceb7 e-con-full e-flex e-con e-parent\" data-id=\"3bb8ceb7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-9e41a7f e-flex e-con-boxed e-con e-child\" data-id=\"9e41a7f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-444731ec elementor-position-block-end elementor-view-default elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"444731ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t\t\t\t<div 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Quote\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3518bd7 elementor-button-align-end elementor-mobile-button-align-center elementor-widget elementor-widget-form\" data-id=\"3518bd7\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\" aria-label=\"New Form\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"6623\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"3518bd7\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"Spectacle Blinds &amp; Line Spades Manufacturer | 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elementor-screen-only\">\n\t\t\t\t\t\t\t\tCompany Name\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[field_5e63ec7]\" id=\"form-field-field_5e63ec7\" class=\"elementor-field elementor-size-md  elementor-field-textual\" placeholder=\"Company Name\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-tel elementor-field-group elementor-column elementor-field-group-field_f5f1e1b elementor-col-50 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_f5f1e1b\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tPhone Number\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<input size=\"1\" type=\"tel\" name=\"form_fields[field_f5f1e1b]\" id=\"form-field-field_f5f1e1b\" class=\"elementor-field elementor-size-md  elementor-field-textual\" placeholder=\"Phone Number*\" required=\"required\" pattern=\"[0-9()#&amp;+*-=.]+\" title=\"Solo se aceptan n\u00fameros y caracteres de tel\u00e9fono (#,-,*,etc).\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-50 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tBusiness Email\t\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-md  elementor-field-textual\" placeholder=\"Business Email*\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-message elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tMessage\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-md\" name=\"form_fields[message]\" id=\"form-field-message\" rows=\"3\" placeholder=\"Please specify the flange type (e.g., Slip-On, Blind) and the required standard\/material\/rating (e.g., EN 1092-1, DIN, ASME B16.5, 316L, 300#).\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-recaptcha elementor-field-group elementor-column elementor-field-group-field_58105f7 elementor-col-100\">\n\t\t\t\t\t<div class=\"elementor-field\" id=\"form-field-field_58105f7\"><div class=\"elementor-g-recaptcha\" data-sitekey=\"6Le04PwrAAAAABSse9pF22Cy1dSMz4P8HEf9l7O5\" data-type=\"v2_checkbox\" data-theme=\"light\" data-size=\"normal\"><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-100 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-md elementor-animation-grow\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Submit<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Spectacle Blinds, Line Spades, and Ring Spacers \uff1aASME B16.48 Line Isolation Solutions for Critical Piping At Sunhyings, we provide comprehensive solutions for positive pipeline isolation. Whether you need a standard Spectacle Blind Flange for quick maintenance or heavy-duty Line Spades and Ring Spacers for large-diameter pipes, our products guarantee safety and zero leakage. Manufactured in [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":6007,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-6623","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sunhyings.com\/fr\/wp-json\/wp\/v2\/pages\/6623","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sunhyings.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sunhyings.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sunhyings.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sunhyings.com\/fr\/wp-json\/wp\/v2\/comments?post=6623"}],"version-history":[{"count":0,"href":"https:\/\/sunhyings.com\/fr\/wp-json\/wp\/v2\/pages\/6623\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/sunhyings.com\/fr\/wp-json\/wp\/v2\/pages\/6007"}],"wp:attachment":[{"href":"https:\/\/sunhyings.com\/fr\/wp-json\/wp\/v2\/media?parent=6623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}