When servicing refrigeration or air conditioning systems that incorporate reciprocating or piston-type compressors, worn compressor rings and/or leaky compressor suction or discharge valves can cause ...

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 ...

Motion-control valves solve troublesome equipment-instability problems. • Overcenter, or motion-control valves, are well suited for load holding and control. • Standard overcenter valves can solve the ...