Piston Check Valve
34 products found
A piston check valve is an automatic, non-return linear-motion valve featuring an internal piston that moves vertically inside a precisely guided cylinder to deliver high-integrity backflow prevention. Operating entirely on fluid differential pressure, forward flow enters below the seat to lift the piston and clear the media path, while a drop in pressure or reverse flow causes the piston to drop back down, creating a tight, bubble-tight seal. This guided cylinder design naturally dampens the valve's movement, making it highly resistant to the rapid flow fluctuations, severe vibrations, and slamming that cause pipeline water hammer. Procurement teams and pipeline engineers can secure certified, impact-tested piston check valves at optimal factory pricing by connecting with top-tier manufacturers in China through our commercial marketplace.
Bosseal Valves (Suzhou) Co., Ltd.
ASTM A105N Piston Check Valve, API 602, 1-1/2 Inch, 800 LB
Bosseal Valves (Suzhou) Co., Ltd.
Forged Piston Check Valve, A105N, 1-1/2 Inch, 800 LB, NPT
Bosseal Valves (Suzhou) Co., Ltd.
Bolted Bonnet Piston Check Valve, 1 Inch, 800 LB, API 602
Bosseal Valves (Suzhou) Co., Ltd.
Y Pattern Piston Check Valve, 1 Inch, 300 LB, ASTM A105N, RF
Model Number: 1P3RA10508
Bosseal Valves (Suzhou) Co., Ltd.
ASTM A182 F316 Piston Check Valve, 1 Inch, 800 LB, API 602
Model Number: 1P8SF31612
Bosseal Valves (Suzhou) Co., Ltd.
API 602 Piston Check Valve, 2 IN, CL 800 LB, ASTM A182 F316
Model Number: 2P8SF31612
Bosseal Valves (Suzhou) Co., Ltd.
ASME B16.34 Piston Check Valve, 1/2IN, CL800, ASTM A182 F316
Model Number: 0.5P8SF31612
Bosseal Valves (Suzhou) Co., Ltd.
Bolted Bonnet Piston Check Valve, 1-1/2 IN, 800 LB, SW NPT
Model Number: 1.5P8SF31612
China JSC Valve Group Co., Ltd
API 602 Piston Check Valve, ASTM A105N, 1 Inch, 800 LB, NPT
Model Number: JSC-240112-FSCV-01
China JSC Valve Group Co., Ltd
ASTM A105N Piston Check Valve, API 602, 2 Inch, 1500 LB, NPT
Model Number: JSC-240221-FSCV-01
ZHEJIANG VERVO VALVE CO., LTD
ASTM A182 F316 Piston Check Valve, 2 IN, 300 LB, API 602, RF
ZHEJIANG VERVO VALVE CO., LTD
BS 5352 Piston Check Valve, 2 Inch, 150 LB, ASTM A182 F316L, RF
ZHEJIANG VERVO VALVE CO., LTD
ASTM A105N Ball Check Valve, 1-1/2 Inch, 800 LB, API 602, SW
XIAMEN LANDEE INDUSTRIES CO., LTD.
ASME B16.34 Piston Check Valve, 600 LB, LF2, API 602, RF
XIAMEN LANDEE INDUSTRIES CO., LTD.
SS 316L Piston Check Valve, 1/2 Inch, 600 LB, DN15, BW Ends
Model Number: LD-20250415-CV-01
XIAMEN LANDEE INDUSTRIES CO., LTD.
ASTM A182 F316L Piston Check Valve, 1/2 Inch, CL1500 LB, BW
Model Number: LD-20250526-CV-01
Zhejiang Kosen Valve Co., Ltd.
ASTM A105N Piston Check Valve, API 602, 1-1/2 IN, 800 LB, SW
Model Number: KV-20250103-FSCV-01
Zhejiang Kosen Valve Co., Ltd.
ASTM A105 Piston Check Valve, API 602, 3/4 Inch, CL800, FNPT
Model Number: KV-20250103-FSCV-02
Zhejiang Kosen Valve Co., Ltd.
ASTM A182 F11 Check Valve, API 602, 3/4 IN, CL1500, BB, SW
Model Number: KV-20250109-FSCV-01
Zhejiang Kosen Valve Co., Ltd.
API 602 Piston Check Valve, A105N, 1 Inch, 800 LB, FNPT, BB
Model Number: KV-20250124-FSCV-01
Zhejiang Kosen Valve Co., Ltd.
ASTM A182 F316 Piston Check Valve, API 602, 1/2 Inch, 800 LB
Model Number: KV-20250124-FSCV-02
Zhejiang Kosen Valve Co., Ltd.
ASTM A182 F316L Piston Check Valve, API 602, 1/2 IN, 800 LB
Model Number: KV-20250208-FSCV-01
Zhejiang Kosen Valve Co., Ltd.
Pressure Seal Piston Check Valve, API 6D, WC6, 8 IN, CL1500
Model Number: KV-20250213-PSCV-01
Zhejiang Kosen Valve Co., Ltd.
Single Disc Piston Check Valve, API 594, C95800, DN25, PN16
Model Number: KV-20250530-WCV-01