Pressure Control Switch PR-15 for Air Compressor Pressure control switch for air Compressor. Made in India. Heavy duty product for Industrial Use. Compatible with any type of air compressor. Increase Motor life. The pressure switch is an important part on your air compressor. The pressure switch tells your compressor when to stop and when to start .Pressure switch ‘senses’ the air pressure in some way and switches the electrical contacts open and close, depending on the pressure and the settings. The air compressor pressure switch on small and older compressor is a completely mechanical device. With two set-screws you set9 the upper and lower pressure. Often, there is a blow-down valve (pressure relieve valve) integrated, which will relieve the pressure on the compressors discharge pipe. It’s important to set the pressure switch at the correct cut-in and cut-out pressures. It will save you both money by saving on energy, and by saving on maintenance and repair costs. Pressure switches come in a big variety of types and shapes.
