Check Valves
Check Valves Features
Designing Standard
API 6D/ BS1868
Testing Standard
APl598/BSS146 /BS6755 (BSEN ISO 12266)
Face to Face
ASME B 16.10/ DIN
End Connection
Flanged end -ASMEB 16.5
Butt weld end -ASMEB 16.25
Socket weld end -ASMEB 16.I 1
Screwed end - BSP/ NPT
ANSI B 1.20.I/ANSI B 2.1
Pressure Rating
ANSf/BS ASA 125#, 150#, 300#, 400#, 600#, 900#, 1500#, PNI 6/PN40
Material of Construction (Body/ End Connector Piece)
Cast Iron : IS 2 IO Gr. FG 200
Carbon Steel : ASTM A 216 Gr. WCB
Stainless Steel: ASTM A 351
Gr. CF8/8M/3/3M
Forged carbon steel : ASTM A 105
Forged stainless steel : ASTM A 182 Gr. F 304
Seat
lntegraf/Renewable/ wealded deposited
Wedge
Solid Disc
Gasket & Packing
P.TF.E. /Graphite/Asbestos/ Spiral wound/ Ring Joint
Size
15mm to 300mm & Above
Mode of Operation
Automatic with Return Pressure
Type of Valves
Lift type check valves
Swing type check valves
Dual disc check valves
Single disc spring loaded check valves
Forged steel check valves
Wafer check valves