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Technical information Industrial Check Valves

Check Valves

Check valves allow the liquid to flow through them in one direction only. Rotary compressors and reducers have valves in the suction line. This prevents high vapour pressure of the refrigerant and oil from backing up into the evaporator during the off cycle.

Non-return valve can use any drive or ball in its construction. Some use a spring or magnet to keep the valve on the back of the seat. Other installed so that the weight of the valve keeps him from his saddle.

Several systems evaporators that operate at different temperatures. They use check valves. These valves keep refrigerant vapors in warm evaporators with backup cold evaporators...

 
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