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What cause internal leakage in industrial valve

Source:
www.qslkvalves.com
2018/12/29 11:59

What cause internal leakage in industrial valve ?

For many end user ,heavily internal leakage will happens in industrial valve .The reasons are maybe the following:
1. Valve disc or valve seat have a bad grinding quality;
2. There are some hard particles remaining  in the pipe  after installation, such as welding slag, iron rust etc .These particles will damage the sealing surface when moving to the sealing surface pair.
3. The fluid contains some  highly rushing and abrasive particles ,which lead to sealing surface wear out . 
Suitable valve type will be selected according to your working condition on site .Any questions ,welcome send email to marketing@qslkvalves.com.