PSB Piston high pressure check valve

PSB Piston high pressure check valve Product introduction

　PSB Piston high pressure check valve is lift type check valve for boiler steam system,PSB Piston high pressure check valve is pressure self-sealing valve cover, also under pressure to ensure good sealing performance,spring loaded to ensure that even in the low-pressure sealing performance when the same good.PSB Piston high pressure check valve Pressure rating from CLASS 150 to CLASS 2500,PN16 to PN420.

PSB Piston high pressure check valve standard:
Design: API 602/ASME 16.34/BS 5352
Pressure Test: API 598
tag: MSS SP25
SW Socket welding ends according to ASME B16.11
BW butt end by ASME B16.25
NPT threaded connectors according to ASME B1.20.1

PSB Piston high pressure check valve Optional Materials
Carbon Steel: A105, LF2
Stainless Steel: F304, F304L, F316, F316L
Duplex: F51, F55
Alloy: F1, F5, F5A, F9, F11, F22

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