Piyush Steel is an experienced and a formidable player in industry of piping solutions. We have been primarily engaged in manufacturing of high quality and demanding Spectacle Blind Flanges. We are producing these flanges in various designations, custom dimensions, specifications, standards. Even though, we manufacture these flanges in non-standard dimensions for specific applications.
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About Spectacle Blind Flanges:
A spectacle blind flange is generally a piece of metal that is cut to fit between two pipe flanges and usually used between the gaskets. The purpose of a spectacle blind is to make sure that an item of equipment is properly secured and blanked off with no possibility of any flow or leakage through a valve during maintenance. The flow can be abstracted to other items of apparatus but not just sidestepped around the blank. The flow has to valve off and pressure relieved prior to loosening blind flanges and swinging the blind.
Spectacle Blind Flanges are also called figure 8 flanges. It is the most regular spectacle flange. The shape of the flanges is like glasses. One part is a blind plate and the other part is a ring has the same outer diameter with the first part. Both parts are connected with a handle plate. The spectacle blind flange could be produced from one plate or joined together by welding.
Spectacle Blind Flanges are applied in systems which are regularly required to separate from other applications. Usually, these flanges are mounted in the open position so that flow through the pipe is possible. When the flange is rotated it gets closed, the pipe blanked off and no flow is possible.
Specification : ASTM A182 / B564 / A105 / A350 / A694 / B381.
Dimension Standard : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size : 1/2" (15 NB) to 48" (1200NB)
Class / Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
DIN Flanges : DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673
JIS Flanges : JIS B2220 5K, JIS B2220 10K, JIS B2220 16K, JIS B2220 20K
BS Flanges : BS4504 PN 6, BS 4504 PN 10, BS4504 PN 16, BS4504 PN 25, BS4504 PN 40, BS 4504 PN 64, BS 4504 PN 100, BS 4504 PN 160, BS 4504 PN 250, BS 10, BS Table D, BS Table E, BS Table F, BS Table H.
Stainless Steel Spectacle Blind Flanges : 304, 304L, 304H, 310s, 316, 316L, 316H, 316Ti, 317/317L, 321/321H, 347/347H, 904L, 446.
Duplex Steel Spectacle Blind Flanges : S31803 F51, S32205 F60.
Super Duplex Steel Spectacle Blind Flanges : S32750, S32760.
Carbon Steel Spectacle Blind Flanges : A105, LF2, IS 2062, F42, F46, F52, F60, F65, F70.
Alloy Steel Spectacle Blind Flanges : F1, F5, F9, F11, F12, F22, F91.
High Nickel Alloy : 200, 201, 400, K500, 600, 601, 625, 718, 800, 825, C22, C276, B2, X.
Alloy 20 Spectacle Blind Flanges : Alloy 20.
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ASME Flanges, DIN Flanges, ANSI Flanges With Mill And Third Party Test Certificate.
Spectacle Blind Flanges Price List
Request the latest Spectacle Blind Flanges Price List. Please Call +91 22 23867540 or Send an Email to info@piyush-steel.com for Stainless Steel, Carbon Steel, Alloy Steel & High Nickel Alloy Pipe Flanges Ready stock information and updated price list.