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.
DERVOS VALVES INDUSTRY CO., LTD
Pressure-Seal Bonnet Check Valve, ASTM A105N, 1 Inch, Class 1500
DERVOS VALVES INDUSTRY CO., LTD
Pressure-Seal Bonnet Check Valve, 1500-2500 LB, 1/2-4 Inch, API 602
Weldon
A216 WCB PSB Check Valve, API 6D, 8 Inch, 2500 LB, BW
Model Number: PSBCV-01
Weldon
Pressure Seal Bonnet Check Valve, ASTM A105N, 1 IN, 2500 LB
Model Number: WV-231221-PSB-01
Weldon
ASTM A105N Check Valve, PSB, API 602, 1 Inch, Class 800 LB
Model Number: WV-231227-FCV-13
Weldon
Pressure Seal Bonnet Check Valve, A216 WCB, 12 Inch, 300 LB
Model Number: WV-240104-PSBCV-01
Weldon
Pressure Seal Bonnet Check Valve, API 6D, 12 IN, 900 LB, WCB
Model Number: WV-240223-PSBCV-01
Baltic Valve Co., Ltd.
Pressure Seal Bonnet Swing Check Valve, A217 WC9, 16IN CL2500
Model Number: 1-1
Baltic Valve Co., Ltd.
Pressure Seal Swing Check Valve, A216 WCB 18 Inch, 900 LB, RTJ
Model Number: 1-2
Baltic Valve Co., Ltd.
PSB Tilting Disc Check Valve, A105, 10 Inch, 2500LB, ASME B16.34
Model Number: 1-1
Baltic Valve Co., Ltd.
ASTM A182 F316 Wafer Check Valve, 1/2 Inch, 150 LB, API 602, RF
Baltic Valve Co., Ltd.
API 602 Swing Check Valve, B148 C95800, 2 Inch, 150 LB, NPT
Baltic Valve Co., Ltd.
ASTM B148 C95500 Swing Check Valve, 1 Inch, CL800, FNPT
Baltic Valve Co., Ltd.
PSB Swing Check Valve, 3 Inch, CL900, ASTM A105N, RF Ends
Baltic Valve Co., Ltd.
ASTM A105N Lift Check Valve, PSB, 1 Inch, 1500 LB, RF
Baltic Valve Co., Ltd.
3 Inch Lift Check Valve, ASTM A105N, 1500 LB, RF Flanged
Baltic Valve Co., Ltd.
ASTM A182 F321 Swing Check Valve, 1 IN, CL2500, API 602
Baltic Valve Co., Ltd.
Pressure Seal Bonnet Check Valve, BS 1868, LCC, 3 IN, CL2500
Model Number: BV-SCV-20250118-02
Baltic Valve Co., Ltd.
ASTM A352 LCC Swing Check Valve, BS 1868, 4 IN, 2500 LB, PSB
Model Number: BV-SCV-20250118-03
Zhejiang Xinhai Valve Manufacturing Co., Ltd.
API 600 Swing Check Valve, PSB, 2-24 Inch, 150-2500 LB, RF
medvalve
Pressure Seal Bonnet Check Valve, 1-1/2-24 Inch, 600-2500 LB
medvalve
ASME B16.34 Pressure Seal Check Valve, 1/2-2 IN, 600-2500 LB
medvalve
PSB Swing Check Valve, 10 Inch, Class 2500, RTJ, A216 WCB
ZHEJIANG VERVO VALVE CO., LTD