MATERIAL SPECIFICATION

• BODY, BONNET, COVER & GLAND FLANGE :ASTM A105/ASTM A182 GR.F304, F316, F304L, F316L, F11, F22/ A350, GR.LF2
• WEDGE & DISC :ASTM A217 GR.CA15, ASTM A351 GR.CF8/CF8M/CF3/CF3M
• STEM, SEAT RING & GLAND :ASTM A276 TP.SS410/SS304/SS316/SS304L/SS316L
• YOKE SLEEVE, YOKE BUSH :S.G. IRON, NI-RESIST/ASTM A439GR.D2
• PACKING :GRAFOIL/BRAIDED GRAPHITE
• GASKET :SPW SS304/316+GRAFOIL.SPWSS3045/316+PTFE
• SPRING :SS304/SS316
• STUD & NUT :ASTM A193 B7,B7M,B8,B8M/ASTM A320 L7,L7M/ASTM A194 2H,2HM,GR.8,8M/GR.7,7M
• HAND WHEEL :MALLEABLE IRON, CARBON STEEL

ADDITIONAL INFORMATION

• Special MOC can be provided as per customers’ requirement.
• Valves shall be supplied with welded flanges for class 150/300 if required.
• Air Seat & Back Seat test not applicable for Lift Check Valves.
• Any special request can be accommodated as per customers’ requirement