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In 1957, the company purchased Hannifin, a producer of valve and cylinder products, and changed its name to Parker Hannifin. [10] Many more acquisitions followed, with the company reaching 40 acquisitions by the year 1979. [11] In 1953, Arthur Parker's son Patrick S. Parker began working full-time at the company. [12]
A thermal expansion valve or thermostatic expansion valve (often abbreviated as TEV, TXV, or TX valve) is a component in vapor-compression refrigeration and air conditioning systems that controls the amount of refrigerant released into the evaporator and is intended to regulate the superheat of the refrigerant that flows out of the evaporator ...
A relief valve DN25 on cooling water pipe from heat exchanger Schematic diagram of a conventional spring-loaded pressure relief valve. A relief valve or pressure relief valve (PRV) is a type of safety valve used to control or limit the pressure in a system; excessive pressure might otherwise build up and create a process upset, instrument or equipment failure, explosion, or fire.
The Trump administration ordered a critical agency that assists other government departments to cancel all of its media contracts amid outrage over federal tax dollars flowing to news outlets ...
With ICE facilities over capacity, the Trump administration has requested the help of local law enforcement to detain migrants, but some sheriffs say they don't have enough resources.
This is a KFF Health News story. More than 80 domestic cats, among many other types of mammals, have been confirmed to have had bird flu since 2022 -- generally barn cats that lived on dairy farms ...