The problem: A piston-type reciprocating compressor has had valve damage, or the valves just are not sealing for some reason. This low-temperature refrigeration system has a thermostatic expansion ...

Refrigeration service technicians often run service calls in which they find a compressor with a higher-than-normal suction pressure along with a lower-than-normal head pressure. Many times, the ...

Check valves are self-activating safety valves that permit gases and liquids to flow in only one direction. The purpose of a check valve is to prevent process flow from reversing in the system which ...