Separating one part of a line from another requires a spectacle blind, able to switch from closed to open and back again. Bleed rings provide a means to release pressure from the pipe through a controlled opening.
Materials
Carbon Steel:ASTM A105, A350 LF1,LF2 CL1/CL2 LF3 CL1/CL2, ASTM A694 F42,F46,F48,F50,F52,F56,F60,F65,F70 Stainless Steel:ASTM A182 F304/304L, F316/316L, F316H,F316Ti,F321,F44(UNS S31254) Alloy Steel:ASTM A182 F1,F5/a,F9,F11,F12,F22,F91 Duplex&Super Duplex Steel:ASTM A182 F51/UNS S31803,F53/UNS S32750 F55/UNS S3260 Special Alloy Steel:Monel400,Inconel 600, Inconel 625, Inconel 800, Inconel 825
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