The stainless steel bellows globe valve WJ15F1.6-II DN15 is mainly used for gas shut-off and has high requirements for valve body material. Generally, there are several materials such as 301, 304, and 316. The stem axis of the shut-off valve is perpendicular to the sealing surface of the valve seat. The opening or closing stroke of the valve stem is relatively short, which has a very reliable cutting effect, making this valve very suitable as a medium for cutting or regulating throttling. It is widely used in chemical industry, shipbuilding, medicine, power plant and other industries.

 

Key points for construction and installation of stainless steel bellows globe valve WJ15F1.6-II DN15:

1) The installation position, height, and inlet and outlet direction must meet the design requirements, and the connection should be firm and tight.

2) The handle of various manual valves installed on insulated pipelines should not be downward.

3) Valves with a working pressure greater than 1.0 MPa and capable of cutting off the main pipeline should undergo strength and tightness tests before installation, and can only be used after passing the tests. The test pressure for the strength test is 1.5 times the nominal pressure, and the duration is not less than 5 minutes. The valve casing and packing should be qualified and leak free. The test pressure for the tightness test is 1.1 times the nominal pressure; The duration of the test pressure should meet the requirements of GB 50243 standard, and the valve disc sealing surface is considered qualified if there is no leakage.

4) Handwheels, handles, and transmission mechanisms are not allowed for lifting.

5) The flow direction of the medium should be consistent with the arrow direction shown on the valve body.

 

 

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DFYLSYC-2023-05-17-A