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Ningbo Fenfa Valve Co.,Ltd

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The performance features of valve

Ningbo Fenfa Valve Co.,Ltd | Updated: Oct 14, 2016

One of the valve gate valve is isolation class, depending on gate truncated flow of media. Gate valve is with double-sided seal, disc and seat ring to work closely together, with very good sealing performance characteristics. When the valve is closed when very few leaks, however, in the case of low pressure will have the potential to leak. Gate valves open and close of the rotation type, so opening and closing speed on ball valve and butterfly valve will be slower. Stainless steel valve with a corrosion characteristics of carbon steel gate valves for steam pipes are resistant to high temperatures. Current service life of the valve is difficult to compare with other valves, gate valves are used for hard sealed structure. Gate seal wear between the more powerful, friction a on and off.


Ningbo Fenfa Valve Co.,Ltd