DESCRIPTION AND FEATURES
STR forged steel check valves included piston check, swing check and piton check y-pattern. Forged Check Valves made of high-quality materials.Full or standard port. Bolted or welded cover joint. T-Pattern or Y-Pattern. Integral body seat for piston or ball check. Separate seat ring design for the swing check valve.
Forged Steel Check Valves are available in two bonnet designs. The first design is the Bolted Bonnet, with male-female joint, spiral wound gasket, made in F316L/graphite. Ring joint gasket are also available on request. The second design is the welded bonnet, with a threaded and seal welded joint. On request a full penetration strength welded joint is available.
Standard, construction and application
Design standard: API 602/ASME B16.34
Face to face dimension: ASME B 16.10
Socket welding end: ASME B 16.11
Threaded end: ASME B B 1.20.1
Butt welding end: ASME B 16.25
Flange end: ASME B 16.5
Inspection: API 598
Body Material – Carbon Steel/Stainless Steel/Alloy Steel
(Forged Steel, such as A105N, LF2, F304, F316, F11, F51, F91, F347 etc.)
Trim Material – API 600 Trim number 1 to 17
End Connection – Flange/SW/Thread/BW
Pressrue Rating – Class 150, 300, 600, 800, 900, 1500, 2500
Size 1/2" (DN15) to 2" (DN50)