ASME B16.34 Check Valve
186 products found
An ASME B16.34 check valve is a high-integrity backflow prevention valve designed in strict accordance with the foundational American Society of Mechanical Engineers standard for pressure-rated valves. As the industry's ultimate safety benchmark, ASME B16.34 dictates precise wall thicknesses, material classifications, non-destructive testing (NDT) criteria, and strict pressure-temperature ratings for the valve shell to ensure maximum structural integrity. Operating automatically via line pressure to permit unidirectional flow and prevent reverse backflow, these check valves are available in swing, piston, or ball configurations with flanged or welding ends. As a distinguished platform representing multiple China check valve manufacturers, we supply valves precision-machined and rigorously pressure-tested to comply with ASME B16.34 safety margins in full, providing certified, leak-tight operation and uncompromised reliability for the most demanding high-pressure global pipeline applications.
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MSS SP-85 Stop Check Valve, ASTM A182 F316L, 1-1/2IN, CL500
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ASTM A216 WCB Lift Check Valve, 3 IN, 600 LB, ASME B16.34
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Pressure Seal Tilting Check Valve, 12 Inch, CL2500, RTJ
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ASTM A216 WCB Lift Check Valve, ASME B16.34, 4 Inch, 300 LB
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Forged Steel Lift Check Valve, ASTM A182 F316, Class 150, RF
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Bolted Cover Piston Check Valve, ASTM A105N, Class 800, 1 Inch
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RF Flanged Piston Check Valve, ASTM A182 F304, CL150, Bolted Bonnet
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Stainless Steel Swing Type Check Valve, NPS 1/2, 150 LB, RF Flanged
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API 608 Swing Check Valve, 1/2 - 4 Inch, Reduced Bore / Full Bore
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Y Forged Steel Check Valve, ASTM A105N, Class 800, 1 Inch, API 602
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Forged Steel Swing Check Valve, A105N, 1 Inch, Class 800, BS 5352
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Spring Loaded Piston Check Valve, 1/2-4 Inch, 150-1500 LB, Threaded
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Integral Flanged Swing Check Valve, ASTM A105N, 3/4 Inch, Class 150
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Integral Flanged Piston Check Valve, ASTM A105N, 1 Inch, Class 1500
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Bolted Bonnet A105N Check Valve, CL2500, 1 Inch, Socket/Butt-Welded
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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
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API 602 Check Valves, A105, A105N, A182 F316/F316L, 1/4-4 IN
Model Number: FSCV-20250402-04
Zhejiang Magpie Sealing Technology Co., Ltd.
ASME B16.34 Swing Check Valve, A351 CF8M, 2-1/2 Inch, 150 LB
Model Number: MV-20250401-CSCV-01
Zhejiang Magpie Sealing Technology Co., Ltd.
ASTM A216 WCB Swing Check Valve, BS 1868, 8 Inch, 300 LB, RF
Model Number: MV-20250409-CSCV-01
Zhejiang Magpie Sealing Technology Co., Ltd.
ASTM A182 F304L Check Valve, API 602, 2 Inch, CL800 LB, BB
Model Number: MV-20250409-FSCV-01
Zhejiang Magpie Sealing Technology Co., Ltd.
ASTM A182 F316L Check Valve, API 602, ASME B16.34, 1/2 Inch
Model Number: MV-20250409-FSCV-02
Zhejiang Magpie Sealing Technology Co., Ltd.
ASME B16.34 Swing Check Valve, ASTM A216 WCB, 4 Inch, CL150
Model Number: MV-20250611-CSCV-01
Zhejiang Magpie Sealing Technology Co., Ltd.
ASTM A216 WCB Swing Check Valves, BS 1868, ASME B16.34, 6 IN
Model Number: MV-20250611-CSCV-03