Zhejiang Yongsheng Technology Co., Ltd.

Pressure Seal Bonnet Check Valve

Pressure Seal Bonnet Check Valve

1. Good sealing performance, reliable safety guarantee, long life span and etc.
2. Swing check valve, with its disc moving with the hinge, a smaller flowing resistance compared with lift check valve, is usually used in occasion with large Nominal Size.
3. Swing Check Valve is generally installed in horizontal pipe. We could have single plate swing check valve, dual plate swing check valve and multi-plate swing check valve according to different No. of disc.

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Product Details

Pressure Seal Bonnet Check Valve has following good characteristics:

1. Good sealing performance, reliable safety guarantee, long life span and etc.

2. Swing check valve, with its disc moving with the hinge, a smaller flowing resistance compared with lift check valve, is usually used in occasion with large Nominal Size.

3. Swing Check Valve is generally installed in horizontal pipe. We could have single plate swing check valve, dual plate swing check valve and multi-plate swing check valve according to different No. of disc.


Application:
Pressure seal bonnet check valve are suitable for pipeline carrying medium of steam, heat conducting oil or others with features of inflammable & explosive, high purity, toxic and etc.


Working temperature:
-29 To 425℃(Cast steel), -196 To 600℃(Stainless steel)

Specifications

Type

Pressure seal bonnet check valve

Design Standard

BS1868/API6D

Face to face

ASME B16.10/API6D

End

ASME B16.5/ASME B16.47/ASME B16.25

Wall thickness

ASME B16.34

Inspection and test

API 598

Size

NPS1/2″~NPS20″

Class

CL900LB~CL2500LB

Material

WCB、LCB、WCC、WC6、WC9、CF8、CF8M、CF3、CF3M、A890 4A、A105、LF2、F11、F22、F51、F91、F304、F316、F304L、F316L etc.

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