How to service thermal expansion valves. August 16, 2000. Metering the refrigerant flow to the evaporator is the sole function of a thermal expansion valve (TEV). What’s critical is that it must meter ...

Parker Hannifin’s Bestobell thermal relief valve is available in stainless steel and with optional integrated A-Lok two ferrule connections. (Photo: Parker Hannifin) Parker Hannifin now offers its ...

The NXT Series R-410A thermal expansion valve (TXV) is a balanced ported valve designed for high-efficiency R-410A air conditioning and heat pump applications. NXT Series valves operate over a wide ...