Compressor Unloader Valve

Compressor Unloader Valve FAQ

Why is compressor valve provided with unloaders?

The air compressor unloader valve provides a critical function in preparing your air compressor to restart . A failed air compressor unloader valve is one of the most common reasons why your air compressor cannot restart after you have used air from the compressor tank.

How does an air compressor unloader valve work?

Air compressor unloader valves work by releasing air that is trapped in the compressor's pipe and piston once the pressure switch trips the power supply to turn the compressor off. By releasing the trapped air in the piston, the compressor motor is able to start properly.

How does an unloader valve work?

Essentially, an unloader valve is a safety switch. It sends pressurized water into a by-pass by cycling it from the outlet side of the pump to an inlet or water tank. This process depressurizes the water and prevents pressure from building up while the pressure washer machine is idling.

What is a compressor cold start valve?

The purpose of the cold start valve is to address a problem with all A/C motors.A/C motors have very little starting torque and need help to get going.The cold start valve bleeds air from the Compressor Head during the first few revolutions, Reducing Motor Starting Torque.Hope that helps.Good luck.