Spectacle Blind
Short Description:
Spectacle Blinds are simple safety devices that are installed between two pipe flanges. During normal operation, the open end is installed as a spacer to allow uninterrupted flow. To stop the flow in the pipeline, the blind end is rotated into place between the flanges.size
Spectacle Forged Flange Size: 1/2”-48”
DN10~DN1200
facing
Flat Face Full Face (FF), Raised Face (RF), Male Face(M), Female Face (FM), Tongue Face(T), Groove Face (G), Ring Joint Face ( RTJ/ RJ ).
International Standard Flanges :
American Standard
ASME B16.48
Pressure Class 150~2500
Size: 1/2”-48”
Materials used by :
CARBON STEEL – ASTM/ASME SA-105, SA-105N, A-350 LF-2, LF-3, A694, SA-516-70, A36
STAINLESS STEEL – ASTM/ASME A182 Gr F304 , A182 Gr F304H, A182 Gr F304L, A182 Gr F304N, A182 Gr F304LN, A182 Gr F316, A182 Gr F316L, A182 Gr F316N, A182 Gr F316LN, A182 Gr F316Ti, A182 Gr F321, A182 Gr F321H, A182 Gr F347, A182 Gr F347H, A182 Gr F317, A182 Gr F317L, 309 310, 310H, 904L
Duplex – F-51
ALLOY STEEL: A-182-F-1, F-5, F-6, F-9, F-11, F-12, F-22
Type
Spectacle blind