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 Kosen Valve Co., Ltd.
ASTM A182 F304 Y Check Valve, API 602, 1/2 Inch, CL2500, PSB
Model Number: KV-20250305-FSCV-01
Zhejiang Kosen Valve Co., Ltd.
ASTM A216 WCB Swing Check Valve, BS 1868, 6 IN, CL2500, PSB
Model Number: KV-20250506-PSCV-01
Zhejiang Kosen Valve Co., Ltd.
Y Type Pressure Sealed Check Valve, F304, 1-1/4 Inch, CL2500
Model Number: KV-20250508-FSCV-01
Zhejiang Kosen Valve Co., Ltd.
BS 1868 PSB Check Valve, ASTM A216 WCB, 18 Inch, 900 LB, RTJ
Model Number: KV-20250526-PSCV-01
Zhejiang Kosen Valve Co., Ltd.
ASTM A216 WCB PSB Check Valve, BS 1868, API 6D, RTJ, Custom
Model Number: KV-20250530-PSCV-01
Zhejiang Kosen Valve Co., Ltd.
Carbon Steel Swing Check Valves, WCB, 10 Inch, 2500 LB, PSB
Model Number: KV-20250530-PSCV-02
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PSB Swing Check Valve, 2500LB, RF, 10 Inch
Model Number: SCV 14
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PSB Swing Check Valve, 10 Inch, BW, BS 1868
Model Number: SCV 23
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PSB Swing Check Valve, BS 1868, 10 Inch, BW, WC6
Model Number: SCV 31
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PSB Swing Check Valve, 10 Inch, CL2500, RTJ, WCB
Model Number: SCV 36
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PSB Tilting Disc Check Valve, ASME B16.34, API 598
Model Number: TDCV 01
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RTJ Tilting Disc Check Valve, PSB, 12 Inch, 2500#
Model Number: TDCV 07
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Pressure-Seal Bonnet Check Valve
Model Number: FCV 03
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Pressure Seal Lift Check Valve, 1 IN, 2500 LB, API 602
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Pressure Seal Tilting Check Valve, 12 Inch, CL2500, RTJ
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Pressure-Seal Bonnet Check Valve, ASTM A105N, 1 Inch, Class 1500
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Pressure-Seal Bonnet Check Valve, 1500-2500 LB, 1/2-4 Inch, API 602
Zhejiang Magpie Sealing Technology Co., Ltd.
Pressure Seal Bonnet Check Valve, BS 1868, WCB, 8 IN, CL900
Model Number: MV-20250611-CSCV-06
Zhejiang Kosen Valve Co., Ltd.
ASTM A182 F316L Lift Check Valve, API 602, 1/2 Inch, CL2500
Model Number: KV-20260617-FSCV-01
Zhejiang Kosen Valve Co., Ltd.
ASTM A182 F22 Lift Check Valves, Alloy Steel, 1/2 IN, CL2500
Model Number: KV-20260627-FSCV-01