How to check maintain screw air compressor pressure valve?

Screw air compressor pressure maintain the check valve is in loading state, the machine line is opened or pipe line of the drain valve is opened, when the drain valve with pressure air emissions, observation before the separation pressure at this moment, this is the pressure of maintaining the valve open value, at 0. Action of around 45 mpa that is normal. Repair method is as follows:

screw air compressor

1, loosen screw air compressor spring gland, be careful in the valve stretch.

2, spring gland.

3, check the piston o-rings, if wear has to be replaced.

4, check the sealing ring, to be replaced if damaged.

5, use detergent cleaning after high temperature grease lubrication, according to dismantle the opposite direction when installed.

actually screw air compressor pressure maintain the check valve is more common, and simple operation. If to repair don't understand or want to consult relevant knowledge of air compressor please contact.