Industry News

Valves are classified according to main parameters
12-01-2019
By main parameters According to the nominal pressure: (1) Vacuum valve: refers to a valve whose working pressure is lower than the standard atmospheric pressure. (2) Low pressure valve: refers to the valve with nominal pressure PN ≤1.6Mpa. (3) Medium...
Valve installation requirements
19-01-2019
Installation requirements 1. Before installing the valve, carefully check whether the type and specification of the valve used are consistent with the design; 2. According to the model of the valve and the factory manual, check whether the valve can ...
Performance testing requirements
26-01-2019
Valve specification 1. The model number of the valve should indicate the national standard number requirement. If it is an enterprise standard, the relevant description of the model should be indicated. 2. The working pressure of the valve requires ≥...
Valve sealing requirements
29-01-2019
Sealing requirements The sealing performance of the valve refers to the ability of the sealing parts of the valve to prevent the leakage of the medium. It is the most important technical performance index of the valve. There are three sealing parts o...
Valve cleaning step
01-02-2019
Cleaning step The components of the valve must be processed through the following processes before assembly: 1. According to the processing requirements, some parts need to be polished, and the surface cannot be processed with burrs; 2. All parts are...

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