{"id":81993,"date":"2019-08-15T23:48:07","date_gmt":"2019-08-15T21:48:07","guid":{"rendered":"https:\/\/gahzly.com\/?post_type=product&#038;p=81993"},"modified":"2023-07-31T13:19:42","modified_gmt":"2023-07-31T11:19:42","slug":"4-inch-spectacle-blind-flanges","status":"publish","type":"product","link":"https:\/\/gahzly.com\/en\/\u0645\u0646\u062a\u062c\/4-inch-spectacle-blind-flanges\/","title":{"rendered":"4 inch SPECTACLE BLIND FLANGES"},"content":{"rendered":"<h1>4<span style=\"vertical-align: inherit\"><span class=\"goog-text-highlight\" style=\"vertical-align: inherit\"> inch <\/span><\/span>SPECTACLE BLIND FLANGES<\/h1>\n<h4>SPECTACLE BLIND FLANGES<\/h4>\n<p><img decoding=\"async\" class=\"aligncenter\" title=\"Flange 6 inch blind-Spectacle Flange 6 inch blind-Spectacle\" src=\"https:\/\/i2.wp.com\/steelfabservices.com.au\/wp-content\/uploads\/2018\/06\/SteelFlanges.jpg?w=1140&amp;ssl=1\" alt=\"What Are The Main Types of Steel Flanges?\" data-recalc-dims=\"1\" \/><\/p>\n<h1><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Description of flanges in general:<\/span><\/span><\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-48009 aligncenter\" title=\"Flange 6 inch blind-Spectacle Flange 6 inch blind-Spectacle\" src=\"https:\/\/i0.wp.com\/www.gahzly.com\/wp-content\/uploads\/2019\/08\/\u0641\u0644\u0627\u0646\u0634\u0629-6\u0628\u0648\u0635\u0629-\u0639\u0645\u064a\u0627\u0621-spectacle-3.jpg?resize=746%2C436&amp;ssl=1\" alt=\"Flange 6 inch blind-Spectacle\" width=\"746\" height=\"436\" data-recalc-dims=\"1\" \/><\/p>\n<p><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">It is the second most used joining method for jointing after welding in pipes.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Flanges connect the pipe to various equipment and valves.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Provides flexibility for maintenance and easy access for cleaning, checking or adjusting.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Flanges are usually welded or screwed.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Different types of ends are used to connect the flange to the pipes according to the design requirements<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Mainly used in the fields of water system, industrial machinery, vehicles and ships, architecture and decoration, etc.<\/span><\/span><\/p>\n<h4><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">There are different types of flanges:<\/span><\/span><\/h4>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-48003 aligncenter\" title=\"Flange 6 inch blind-Spectacle Flange 6 inch blind-Spectacle\" src=\"https:\/\/i2.wp.com\/www.gahzly.com\/wp-content\/uploads\/2019\/08\/\u0641\u0644\u0627\u0646\u0634\u0629-6\u0628\u0648\u0635\u0629-\u0639\u0645\u064a\u0627\u0621-spectacle-5.jpg?resize=794%2C650&amp;ssl=1\" alt=\"Flange 6 inch blind-Spectacle\" width=\"794\" height=\"650\" data-recalc-dims=\"1\" \/><\/p>\n<h4><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Types of flanges<\/span><\/span><\/h4>\n<ul>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Weld neck flange<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">sliding flange<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Socket weld flange<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">lap joint flange<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">threaded flange<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">blind flange<\/span><\/span><\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/www.gahzly.com\/wp-content\/uploads\/2019\/08\/%D9%81%D9%84%D8%A7%D9%86%D8%B4%D8%A9-%D8%B9%D9%85%D9%8A%D8%A7%D8%A1-6%D8%A8%D9%88%D8%B5%D8%A9.jpg\" alt=\"\" title=\"l\"><\/p>\n<h4>SPECTACLE BLIND FLANGES<\/h4>\n<h4><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Product technical specifications:<\/span><\/span><\/h4>\n<ul>\n<li>\n<h1>4<span style=\"vertical-align: inherit\"><span class=\"goog-text-highlight\" style=\"vertical-align: inherit\"> inch <\/span><\/span>SPECTACLE BLIND FLANGES<\/h1>\n<\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">It looks like a pair of glasses<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Type: blind flanges<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">The size is 4 inches<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Polished surface<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Material: stainless steel<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Corrosion resistant<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Accurate dimensions<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">It can withstand high pressure and high temperature<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Flanges connect the pipe to various equipment and valves.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Provides flexibility for maintenance and easy access for cleaning, checking or adjusting.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">It is used in the field of petrochemical and gas industry, shipbuilding industry, energy industry, valve industry, water works, and general pipes connecting projects.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Long life<\/span><\/span><\/li>\n<\/ul>\n<h4><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Materials made from it:<\/span><\/span><\/h4>\n<p><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Flanges are made from different materials such as stainless steel, cast iron, aluminum, brass, stainless steel etc. but the most commonly used material is stainless steel and they have machined surfaces.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">In addition, flanges, like fittings and pipes, are sometimes internally fitted with layers of material of very different quality, which are \u201ccushioned edges\u201d for specific purposes.<\/span><\/span><\/p>\n<h4><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">The material of the flanges is mainly decided during the selection of the pipe, and in most cases, the flange is of the same material as the pipe.<\/span><\/span><\/h4>\n<h4><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-48005 aligncenter\" title=\"Flange 6 inch blind-Spectacle Flange 6 inch blind-Spectacle\" src=\"https:\/\/i2.wp.com\/www.gahzly.com\/wp-content\/uploads\/2019\/08\/\u0641\u0644\u0627\u0646\u0634\u0629-6\u0628\u0648\u0635\u0629-\u0639\u0645\u064a\u0627\u0621-spectacle.png?resize=611%2C609&amp;ssl=1\" alt=\"Flange 6 inch blind-Spectacle\" width=\"611\" height=\"609\" data-recalc-dims=\"1\" srcset=\"https:\/\/gahzly.com\/wp-content\/uploads\/2019\/08\/\u0641\u0644\u0627\u0646\u0634\u0629-6\u0628\u0648\u0635\u0629-\u0639\u0645\u064a\u0627\u0621-spectacle.png 490w, https:\/\/gahzly.com\/wp-content\/uploads\/2019\/08\/\u0641\u0644\u0627\u0646\u0634\u0629-6\u0628\u0648\u0635\u0629-\u0639\u0645\u064a\u0627\u0621-spectacle-400x398.png 400w\" sizes=\"auto, (max-width: 611px) 100vw, 611px\" \/><\/h4>\n<h4><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">\u00a0Flanges are mainly used for connections of pipes, valves and equipment that require frequent maintenance.<\/span><\/span><\/h4>\n<h4><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Materials<\/span><\/span><\/h4>\n<ul>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Stainless steel<\/span><\/span><\/li>\n<\/ul>\n<h4>Spectacle Blind<\/h4>\n<ul>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Material: stainless steel, carbon steel, alloy steel and stainless steel.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Type: blind<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Petrochemical and gas industry, shipbuilding industry, energy industry, valve industry, water works, and general pipe connecting projects.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">It operates as a single bond or an annular spacer.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">\u00a0A piece of metal cut to fit between two flanges of a pipe and usually sandwiched between two flanges<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">The spectacle curtain is often made of two metal disks connected to each other by a small steel section.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">It looks like a pair of glasses<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">\u00a0One end of the flange has a hole to allow flow through the pipe during operation and the other end is solid to prevent flow during maintenance.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">They are generally installed as a permanent device to separate the process piping system.<\/span><\/span><\/li>\n<\/ul>\n<h4><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">The whole idea of \u200b\u200bthe blind flange<\/span><\/span><\/h4>\n<p><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">is that one can be absolutely certain that an item of equipment has been properly and safely emptied with no possibility of any overflow or leakage through a valve during maintenance.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">The flow can be diverted to other items of equipment but not just by passing it around the vacuum as this would compromise the safety function of the spectacle curtain.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">The flow must separate from the valve and relieve pressure before loosening the screws<\/span><\/span><\/p>\n<h4><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">product specification:<\/span><\/span><\/h4>\n<ul>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Corrosion resistant<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Accurate dimensions<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">It can bear high pressure and temperature load<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Rust resistance<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Smooth transition from flanges to tube thickness<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Ensure excellent pressure distribution<\/span><\/span><\/li>\n<\/ul>\n<h4><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Applications :-<\/span><\/span><\/h4>\n<p><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Petrochemical and gas industry, shipbuilding industry, energy industry, valve industry, water works, and general pipe connecting projects.<\/span><\/span><\/p>\n<ul>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">industrial equipment<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">chemical equipment<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Sea water equipment<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">heat exchangers<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">capacitors<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Offshore oil drilling equipment<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Power generation<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Petrochemicals<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">gas processing<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Specialty chemicals<\/span><\/span><\/li>\n<\/ul>\n<h4><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" title=\"Flange 6 inch blind-Spectacle Flange 6 inch blind-Spectacle\" src=\"https:\/\/i2.wp.com\/www.piping-designer.com\/images\/photos\/spec_blind\/DSC05310.JPG?resize=598%2C448&amp;ssl=1\" alt=\"DSC05310\" width=\"598\" height=\"448\" data-recalc-dims=\"1\" \/><\/h4>\n<h4><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">If you have any questions, please contact us freely and we will be happy to serve you.<\/span><\/span><\/h4>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" title=\"Flange 6 inch blind-Spectacle Flange 6 inch blind-Spectacle\" src=\"https:\/\/i0.wp.com\/www.piping-designer.com\/images\/photos\/spec_blind\/DSC06237.JPG?resize=595%2C447&amp;ssl=1\" alt=\"DSC06237\" width=\"595\" height=\"447\" data-recalc-dims=\"1\" \/><\/p>\n<h4><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">We are pleased to have you visit our pages on social networking sites, where we publish exclusive offers on our website.<\/span><\/span><\/h4>\n<p><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Our Facebook page\u00a0 <\/span><\/span><a href=\"https:\/\/www.facebook.com\/Gahzlystore\/\" target=\"_blank\" rel=\"noopener\"><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">here<\/span><\/span><\/a><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\"> .<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Our Twitter account\u00a0 <\/span><\/span><a href=\"https:\/\/twitter.com\/gahzly1\" target=\"_blank\" rel=\"noopener\"><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">here<\/span><\/span><\/a><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\"> .<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<ul>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">4 inch blind flanges<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">It looks like a pair of glasses<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Type: blind flanges<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">The size is 4 inches<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Polished surface<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Material: stainless steel<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Corrosion resistant<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Accurate dimensions<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">It can withstand high pressure and high temperature<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Flanges connect the pipe to various equipment and valves.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Provides flexibility for maintenance and easy access for cleaning, checking or adjusting.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">It is used in the field of petrochemical and gas industry, shipbuilding industry, energy industry, valve industry, water works, and general pipes connecting projects.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit\"><span style=\"vertical-align: inherit\">Long life<\/span><\/span><\/li>\n<\/ul>\n","protected":false},"featured_media":36455,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[13781],"product_cat":[5885],"product_tag":[],"class_list":{"0":"post-81993","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-bbe-en","7":"product_cat-flange","9":"first","10":"instock","11":"shipping-taxable","12":"purchasable","13":"product-type-variable"},"_links":{"self":[{"href":"https:\/\/gahzly.com\/en\/wp-json\/wp\/v2\/product\/81993","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gahzly.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/gahzly.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/gahzly.com\/en\/wp-json\/wp\/v2\/comments?post=81993"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gahzly.com\/en\/wp-json\/wp\/v2\/media\/36455"}],"wp:attachment":[{"href":"https:\/\/gahzly.com\/en\/wp-json\/wp\/v2\/media?parent=81993"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/gahzly.com\/en\/wp-json\/wp\/v2\/product_brand?post=81993"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/gahzly.com\/en\/wp-json\/wp\/v2\/product_cat?post=81993"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/gahzly.com\/en\/wp-json\/wp\/v2\/product_tag?post=81993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}