Check Valves

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Check Valves

Our company is among the top-tier check valve manufacturers in China.
Valve Types: Swing Check Valve, API 6D Full Open Swing Check Valve, Lifting Check Valve, Dual Plate Check Valve, Axial Flow Check Valve, Titling Check Valve, Single Plate Wafer Check Valve
Design Standards: BS1868, API 594, API 602, ASME B16.34, API 6D
Size Range: 1/2 - 64 Inch
Pressure Range: Class 150-2500 LB
End Connections: Flanged (FF, RF, RTJ), Socket Weld (SW), Threaded (NPT, BSP), Butt Weld (BW), Wafer, Lug
Material Types: Carbon Steel, Stainless Steel, Duplex Steel, Al-BRZ, Alloy
Disc Types: single plate, dual plate, tilting disc
Bonnet Types: Bolted Bonnet, Pressure Bonnet, Welded Bonnet

Swing Check Valve (88)

As one of the leading swing check valve manufacturers in China, we take pride in our products.
Valve Types: Swing Check Valve, API 6D Full Open Swing Check Valve
Design Standards: BS 1868, API 594, ASME B16.34, API 6D
Size Range: 1/2 - 64 Inch
Pressure Range: Class 150-2500 LB
End Connections: Flanged (FF, RF, RTJ), Socket Weld (SW), Threaded (NPT, BSP), Butt Weld (BW)
Material Types: Carbon Steel, Stainless Steel, Duplex Steel, Al-BRZ, Alloy
Bonnet Types: Bolted Bonnet, Pressure Bonnet, Welded Bonnet

BS 1868 Swing Check Valve, ASTM A351 CF8, 42 IN, ANSI 600, RF

Stainless Steel Swing Check Valve, A351 CF8M, 40 IN, CL 600

ASTM B148 C95800 Check Valves, 36 IN, 600 LB, BS 1868, RF

API 594 Check Valve, A351 CF8M, 32 IN, 600 LB, PN100, RF

48 Inch Check Valves, DN1200, 600 LB, API 594, A352 LCB, RF

Carbon Steel Check Valve, 30 IN, CL600, WCB, API 594, API 6D

Full Opening Check Valve, 28 IN, CL 600 LB, PN100, A216 WCB

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Swing Check Valve (88)

Dual Plate Check Valve (100)

With years of experience as a dual plate check valve manufacturer in China, we have a strong reputation in the industry.
Valve Types: Dual Plate Check Valve, Single Plate Wafer Check Valve, Thin Type WAFER Check Valve, Lifting Wafer Check Valve
Seat Type: Soft Seat, Metal Seat
Design Standards: API 594, API 6D
Size Range: 2-64 Inch
Pressure Range: Class 150-2500 LB
End Connections: Wafer, Lug, Flanged (FF, RF, RTJ), Butt Weld (BW), HUB
Material Types: Carbon Steel, Stainless Steel, Duplex Steel, Al-BRZ, Alloy, Ti

ASTM A352 LCB Check Valve, 2-1/2 IN, CL 1500 LB, API 594, 6D

API 6D Dual Check Valve, 3 Inch, Class 1500 LB, B148 C95800

Spring Loaded Dual Check Valve, 2 IN, 1500 LB, ASTM A890 4A

ASTM A351 CF8M Check Valve, 4 IN, CL 1500 LB, API 6D, API594

ASTM A216 WCB Check Valve, 24 Inch, 900 LB, API 594, 6D

ASTM A216 WCB Non-Return Valve, API 594, 6 Inch, 1500 LB

ASTM A351 CF8M Check Valve, 20 Inch, CL 900 LB, API 594

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Dual Plate Check Valve (100)

Axial Flow Check Valve (5)

We have established ourselves as one of the most reputable axial flow check valve manufacturers in China.
Design Standards: API 594, API 6D
Size Range: 2 - 48 Inch
Pressure Range: Class 150-2500 LB
Material Types: Carbon Steel, Stainless Steel, Duplex Steel, Al-BRZ, Alloy, Ti

Axial Flow Check Valve, ASTM A352 LCB, 16 Inch, 150 LB, RF

ASTM B148 C95800 Axial Check Valve, API 594, 6 Inch, 150 LB

34 Inch Check Valve, 150 LB, ASTM A216 WCB, API 594, API 6D

ASTM A216 WCB Axial Flow Check Valve, 16 Inch, 600 LB, RF

ASTM A351 CF8M Axial Flow Check Valve, 4 Inch, 300 LB, RF

Swing Check Valve

Valve Types: Swing Check Valve, API 6D Full Open Swing Check Valve
Design Standards: BS 1868, API 594, ASME B16.34, API 6D
Size Range: 1/2 - 64 Inch
Pressure Range: Class 150-2500 LB
End Connections: Flanged (FF, RF, RTJ), Socket Weld (SW), Threaded (NPT, BSP), Butt Weld (BW)
Material Types: Carbon Steel, Stainless Steel, Duplex Steel, Al-BRZ, Alloy
Bonnet Types: Bolted Bonnet, Pressure Bonnet, Welded Bonnet

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Dual Plate Check Valve

Valve Types: Dual Plate Check Valve, Single Plate Wafer Check Valve, Thin Type WAFER Check Valve, Lifting Wafer Check Valve
Seat Type: Soft Seat, Metal Seat
Design Standards: API 594, API 6D
Size Range: 2-64 Inch
Pressure Range: Class 150-2500 LB
End Connections: Wafer, Lug, Flanged (FF, RF, RTJ), Butt Weld (BW), HUB
Material Types: Carbon Steel, Stainless Steel, Duplex Steel, Al-BRZ, Alloy, Ti

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Axial Flow Check Valve

Design Standards: API 594, API 6D
Size Range: 2 - 48 Inch
Pressure Range: Class 150-2500 LB
Material Types: Carbon Steel, Stainless Steel, Duplex Steel, Al-BRZ, Alloy, Ti

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Application

Check valves are widely used for different applications, like downstream of the pump or HVAC system to protect the equipment from backflow.

Swing Check Valve-Bolted Bonnet

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Swing Check Valve-Pressure Seal Bonnet

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API 6D Full Open Swing Check Valve

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Dual Plate Check Valve

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Axial Flow Check Valve

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Swing Check Valve with Damping Box and Hammer

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Most QUALITY Check Valves FOR YOU

The check valve is basically a one-way valve and is also called a non-return valve, it is generally used in pipelines to prevent backflow.
The flow can run freely in one way and in another way the check valve will be closed to protect the piping system from the water hammer. But at the same time, it will also cause pressure loss so in piping design the risk of the water hammer and pressure loss shall be evaluated to select the right valve type.
If you need any support about our Check Valves, pls contact us!

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About Us

Founded in 2013, Bosseal Valve is a professional valve manufacturing company in Suzhou, China. We mainly supply Industrial Ball Valves, Gate Valves, Globe Valves, Check Valves, Butterfly Valves, Plug VaIves, and Strainers designed and manufactured according to API, ASME, ISO, DIN, BS, EN standards.