The vapor-compression cycle has four stages (compression, condensation, expansion, and evaporation) and one ultimate goal: converting refrigerant into a state that makes it useful as a heat transfer ...

Three-way valves made of nickel-plated steel are available for the refrigeration and air conditioning sectors. These valves are designed to handle a minimum of 500 psig and can be rated up to 1,000 ...

Directional-control valves are vital in any pneumatic circuit, directing or blocking airflow to control the speed or sequence of operations. One method of classifying directional-control valves is by ...