Pressure Seal Bonnet Check Valve
68 products found
Pressure Seal Bonnet Check Valve is a high-performance non-return valve designed for high-pressure and high-temperature systems, where reliable backflow prevention and zero-leakage sealing are critical. Unlike conventional bolted bonnet designs, it uses a pressure-assisted sealing mechanism in which internal system pressure enhances the bonnet-to-body seal, improving integrity as pressure increases. Available in swing, lift, and piston-type configurations, it ensures automatic one-way flow control using a disc or piston mechanism without external operation. Commonly manufactured from carbon steel, alloy steel, and stainless steel grades, it delivers strong resistance to pressure fatigue, wear, and thermal stress. Pressure Seal Bonnet Check Valves are widely used in power generation, refineries, chemical processing, pulp and paper, and oil and gas systems operating typically above 500 psi. Our platform connects buyers with experienced pressure seal bonnet check valve manufacturers in China, offering reliable engineering solutions for critical high-pressure applications worldwide.
ZHEJIANG VERVO VALVE CO., LTD
BS 1868 Pressure Seal Swing Check Valve, WCB, 12 IN, 300 LB
ZHEJIANG VERVO VALVE CO., LTD
Pressure Seal Cover Swing Check Valve, 10 Inch, 2500 LB
ZHEJIANG VERVO VALVE CO., LTD
Full Bore Swing Check Valve, 10 Inch, 1500 LB, BW
Bosseal Valves (Suzhou) Co., Ltd.
ASTM A182 F316 Swing Check Valve, 2-1/2 Inch, 2500 LB, BW
Model Number: 2.5SPS25BF31616
Bosseal Valves (Suzhou) Co., Ltd.
ASTM A995 4A Swing Check Valve, BS 1868, 10 IN, 2500 LB, RTJ
Model Number: 10SPS25J4A
Bosseal Valves (Suzhou) Co., Ltd.
Pressure Seal Swing Check Valve, 12 IN, 1500 LB, ASTM A217 WC6
Model Number: 12S15BWC605
Zhejiang Kosen Valve Co., Ltd.
Pressure Seal Swing Check Valve, A351 CF8C, 8 Inch, 2500 LB
Model Number: LD-20241227-PSCV-01
Zhejiang Kosen Valve Co., Ltd.
BS 1868 Swing Check Valve, ASTM A216 WCB, 8 Inch, 900 LB, SW
Model Number: LD-20241227-PSCV-01
Zhejiang Kosen Valve Co., Ltd.
High Pressure Swing Check Valve, BS 1868, WCB, 10 IN, CL1500
Model Number: KV-20250106-PSCV-01
Zhejiang Kosen Valve Co., Ltd.
Incoloy 825 Swing Check Valve, BS 1868, 4 Inch, 2500 LB, BW
Model Number: KV-20250108-PSCV-01
Zhejiang Kosen Valve Co., Ltd.
Power Station Check Valve, BS 1868, A216 WCB, 7 IN, 1500 LB
Model Number: KV-20250123-PSCV-01
Zhejiang Kosen Valve Co., Ltd.
Y Type Pressure Seal Check Valve, BS 1868, CF3, 8 IN, CL2500
Model Number: KV-20250123-PSCV-02
Zhejiang Kosen Valve Co., Ltd.
Pressure Seal Tilting Disc Check Valve, CF8C, 8 Inch, CL1500
Model Number: KV-20250123-TDCV-01
Zhejiang Kosen Valve Co., Ltd.
BS 1868 Check Valve, ASTM A216 WCB, 6 IN, CL2500, PSB, BW
Model Number: KV-20250206-PSCV-01
Zhejiang Kosen Valve Co., Ltd.
ASTM A217 WC9 Check Valve, API 6D, 16 IN, 2500 LB, PSB, BW
Model Number: KV-20250210-PSCV-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.
ASTM A494 CY40 Swing Check Valve, BS 1868, 8 IN, CL900, RTJ
Model Number: KV-20250218-PSCV-01
Zhejiang Kosen Valve Co., Ltd.
ASTM A351 CF8C Check Valves, ASME B16.34, 6 Inch, CL1500, BW
Model Number: KV-20250218-TDCV-01
Zhejiang Kosen Valve Co., Ltd.
Pressure Seal Bonnet Check Valve, A216 WCB, 10 Inch, CL2500
Model Number: KV-20250220-PSCV-01
Zhejiang Kosen Valve Co., Ltd.
ASTM A105N Tilting Disc Check Valve, 5-1/8 Inch, 10000 PSI
Model Number: KV-20250221-TDCV-01
Zhejiang Kosen Valve Co., Ltd.
ASTM A351 CF8C Swing Check Valves, API 6D, 8 IN, CL900, PSB
Model Number: KV-20250224-PSCV-01
Zhejiang Kosen Valve Co., Ltd.
BS 1868 Swing Check Valves, A216 WCB, DN200, PN420, PSB, RTJ
Model Number: KV-20250227-PSCV-01
Zhejiang Kosen Valve Co., Ltd.
Pressure Seal Lift Check Valve, API 602, A105N, 2 IN, CL2500
Model Number: KV-20250228-FSCV-01
Zhejiang Kosen Valve Co., Ltd.
Pressure Seal Swing Check Valves, BS 1868, WCB, 6 IN, CL1500
Model Number: KV-20250303-PSCV-01