Zhejiang Yongsheng Technology Co., Ltd.

Bellow Seal Globe Valve

​Bellow sealed structure is used for Bellow Seal Globe Valve. One end of the stainless steel bellow is welded onto the valve stem to prevent the erosion caused by medium, and the other end is laid between the body & bonnet which forms the static sealing. Double stem sealing (bellow & packing) could ensure the sealing even when bellow doesn't work.

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Product Details

Bellow sealed structure is used for Bellow Seal Globe Valve. One end of the stainless steel bellow is welded onto the valve stem to prevent the erosion caused by medium, and the other end is laid between the body & bonnet which forms the static sealing. Double stem sealing (bellow & packing) could ensure the sealing even when bellow doesn't work. Bellow welded onto the stem could ensure the steady performance of valve by avoiding the potential vibration of stem caused by disc. And the bellow seals globe valve is very suitable for pipeline carrying medium of steam, heat conducting oil or others with features of inflammable & explosive, high purity, toxic and etc.

Specifications

Type

Bellow Seal Globe Valve

Design Standard

BS1873

Face to face

ASME B16.10

Flange end

ASME B16.5

Wall thickness

ASME B16.34

Inspection and test

API 598

Size

NPS2″~NPS24″

Class

CL150LB~CL2500LB

Material

WCB、LCB、WCC、WC6、WC9、CF8、CF8M、CF3、CF3M、A890 4A etc.



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