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 ...

Zahroof Valves (ZVI) is always looking for new and unconventional ways to solve old problems. The company, founded in Houston in 2010, has developed an innovative reciprocating compressor valve ...

Diagnosing a faulty compressor valve is something HVAC technicians have to deal with on a semi-regular basis, and while a bad valve is often not the main reason a compressor fails, it is an integral ...

The reciprocating piston compressor is the most widely used equipment for gas service. 1 It consists of a double-acting piston with pressure-actuated check valves controlling the flow for both suction ...

DOWNERS GROVE, Ill., Nov. 25, 2019 /PRNewswire/ -- Cook Compression ®, part of Dover Precision Components and Dover (NYSE: DOV), has been awarded a multi-year contract by ISAB S.r.l, a part of Lukoil ...

DOWNERS GROVE, Ill., Oct. 17, 2022 /PRNewswire/ -- Cook Compression, part of Dover Precision Components and Dover (NYSE: DOV), today introduced the COOK CLEAN TM sealing system, a next-generation ...

With traditional compressor valves, the sealing elements are typically spring-actuated polymer plates, concentric rings, or poppets where the gas flowing through the inlet valve ports directly impacts ...