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Application of check valve

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

Check valve pump inlet to prevent media return, is one of the inlet valves for losing that. When the pump stops running, the media will return when the disc check valve closes automatically, effectively prevent the return of media. Swing check valves can be installed horizontally or vertically, lift can only be installed horizontal and vertical can only be installed vertically. Stainless steel check valves should be used in corrosive media or require clean operating conditions. Carbon steel check valves should be used in water, oil, steam and other conditions. Chromium-molybdenum steel check valves for use in high-temperature conditions, such as used for high temperature pipeline in power plants. Lined with fluorine non-return valve used in the corrosive medium, but the conditions of temperature and pressure is not too high. Wafer check valves can be used where space is limited, or take into account the price you can select wafer type check valve. Card check valves should be used for fine piping, instrument, pneumatic tubes used. Ceramic valve is used in wearable condition, such as medium granular, easy to wear and seal. Rubber check valve suitable with the drainage system, 2520 check valve suitable for harsh operating conditions.


Ningbo Fenfa Valve Co.,Ltd