Air Compressor Safety Valve Leaking

A safety valve follows a very simple mechanism to work.

Air compressor safety valve leaking.

With the compressor off the unloader valve should not be leaking any air at all after the unloading process a second or two has completed. Air leaking from inter stage safety relief valve when compressor is pumping. Ensure that the safety valves on your air tank are set to at least 10 or 15 psi whichever is greater above the operating pressure of the compressor but never higher than the air receiver s working pressure limit. Air continuously leaks out of the unloader valve on your air compressor and this is a problem.

The safety valve pops open to relieve excessive air pressure if the pressure switch fails to shut off the air compressor at the cut out pressure setting. If you find that your compressor pressure switch unloader valve is leaking air continuously then you have located at least one of the leaks on your air compressor. The valve on the outside of the. Here is how it actually works there is a nozzle inside the valve.

Tighten fittings as needed and the leak is gone. Remove and install new safety relief valve. Well if air continuously leaks out of the unloader valve then the compressor tank is emptying and the compressor needs to restart to replenish the air in the tank to get back up to cut out pressure so it can stop on its own. How do safety valves work in an air compressor.

In the latest instalment of gt air projects we show you how to change and service a check valve non return valve or one way valve on an air compressor. Whenever the pressure of your compressor is about to reach this maximum level the safety valve will relief air from the compressor so that the pressure drops. When the air compressor reaches the normal cut out pressure and stops but you notice while the air compressor is off that air is leaking out of a valve attached to or perhaps inside of the air compressor pressure switch. Unloader valve is leaking air.

Leaky gasket high pressure inlet valve. The safety valve pops open to relieve excessive air pressure if the pressure switch fails to shut off the air compressor at the cut out pressure setting. Replace the safety valve if it leaks air constantly. If new safety valve leaks remove cylinder head inspect and clean reed valve assembly.

Safety relief valve not functioning properly.