Manufacturer, Supplier & Stockist of Flanges
Spectacle Blind
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.

DIM STANDARDS
ANSI B 16.5, ANSI B 16.47, SERIES A and B, MSS SP44.
SIZE
1/2" NB TO 48" NB
PRESSURE RATINGS
CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500, CLASS 2500, PN6, PN 10, PN 16, PN 25, PN 40, PN 64, ETC.
GRADES:
STAINLESS STEEL
ASTM, A182, F304, F304L, F304H, F310S, F316, F316L, F316TI, F317L, F321, F321H, F347, F347H, F904L.
ALLOY STEEL
ASTM, A182F, F1, F2, F5, F7, F9, F11, F12, F22, F91.
CARBON STEEL
ASTM, A105, A105N, A350, LF1, LF2, LF3, A694, F22, F60, F65.
NICKEL ALLOY
B-564, UNS NO 225, UNS NO 6625, UNS NO 4400, B 381 – F2, F7, F12.
DUPLEX STEEL AND SUPER DUPLEX STEEL
ASTM, A815, UNS S31803, UNS S32205, UNS S32550, UNS S32750, UNS S32760.



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