These non return valves retain air inside the compressor tank. The air compressor pulls in air through the check valve to pressurise the tank. This air creates a backflow pressure against the valve, in turn closing the valve / holding pressure in the tank.

• Vertical non return valve
• 3/4" copper
• 3/4" female

A repair kit for the 190NRV90-08CM non return valve.

• Spring
• Viton pad
• Biconic valve

90 degree non return valves retain air inside the compressor tank. The air compressor pulls in air through the check valve to pressurise the tank. This air creates a backflow pressure against the valve, in turn closing the valve / holding pressure in the tank.

• Inlet: 3/4" copper
• Outlet: 1/2" NPT Male
• 1/8" Female thread / nut for 6mm OD hose

• Aluminium ring | Spring | Viton Pad | Ogive