Air Compressor Pressure Relief Valve Adjustment

Choose from a valve for air inert gas water hydraulic oil fuel oil gasoline or diesel fuel and a set pressure from 150 to 3 300 psi.

Air compressor pressure relief valve adjustment.

Often used to protect equipment running on air compressors these valves obstruct flow to maintain sufficient operating pressure in your system. The air compressor unloader valve is a very small but crucial part of the whole pressure maintenance process. Pressure relief valves design a valve specifically for your process media and set pressure. The pilot valve may be used to operate a dis charge line unloader or an unloading device in the compressor head.

The unloader valve opens when the pressure reaches cut out and stays open until the pressure in the tank reaches the cut in pressure level. If you need to make further adjustments unplug the compressor before doing so to avoid electrical shock. Air compressor pressure relief valve adjustment some air compressor prv doesn t activate when it s supposed to. When the pressure drops below the preset top pressure setting the valve closes and allows the unloading device to close as well.

This lets the compressor pump into the receiver once again. Use an adjustable wrench to remove pressure relief valves. There is no adjustment needed. Plug in the compressor and if there is air in the tank you can use the drain valve to release pressure or simply attach a blowgun to your compressor and bleed off air to observe the new cut in pressures.

Pilot valves are used on gas engine or electric motor driven compressors where the compressor is to maintain a constant pressure range while running continuously. Valves have two gauge ports. Adjust the set pressure within the range. If the system pressure exceeds the set pressure they exhaust through the unthreaded relief port.

The prv activates at 130 psi. Adjusting pilot valve instructions operation. The pressure switch trips in response to the low pressure turns on the electric motor and at the same time closes the unloader valve. Increasing the pressure setting above the factory settings on an air compressor will lead to an early failure of the compressor and may lead to a catastrophic compressor failure.

A pressure relief valve for an air compressor helps to keep you protected if the pressure of the compressor gets too high. The safety relief or pressure release valve is the one safety feature that every air compressor built in the past few decades has in common. Pressure relief valves for water.