Air Compressor Pressure Switch Unloader Valve

The pressure switch of your air compressor can either have an internal or external unloader valve.

Air compressor pressure switch unloader valve.

The air pressure range is 90 120 and there is no unloader valve or plumbing for one. We carry popular unloader valves used on many types and brands of pressure switches for air compressors. The air compressor unloader is valve is a small but important part of the reciprocating piston compressor. It blows off the pressure inside the discharge pipe when the compressor stops there is another type of unloader valve which can be found at the inlet of rotary screw compressors also called inlet valve or loading valve.

Have same situation as tom with older large dual tank snap on compressor with failing air pressure switch. Other compressor pressure switches have integral unloader valves. One port air compressor pressure switch control valve 95 125 psi w unloader 4 5 out of 5 stars 68 68 product ratings one port air compressor pressure switch control valve 95 125 psi w unloader. These valves bleed off or unload excess air in the lines so your air compressor can easily start up.

This short video shows how to install an unloader or bleeder valve on a pressure switch air compressor. Can i use a switch with an unloader valve if older compressor did not have one. Regardless of the location when the air pressure in the storage tank reaches the cut out pressure the pressure switch turns off which also stops the air compressor. The unloader valve that is shown in the image above is typically found on the side of a compressor pressure switch and is operated by a toggle lever coming out of the side of the pressure switch.

You can spot those by looking under the pressure switch and seeing if there is an. This short video shows the various types of unloader valves available.