Thumbnail Filmstrip of Primer - Aluminum One Way Check Valve 4AN with an 1/8" NPT Adapter Images
One way aluminum check valve 4AN and 4AN to 1/8" NPT adapter or use our EN-7133 Enderle Valve
This one way aluminum check valve is used to allow flow in one direction but not the other.
The most common use in our world is a primer nozzle for mechanical injection. Must be introduced in a pressure area - NEVER vacuum.
Another use is preventing fuel from returning to the tank after the pump is turned off, maintaining rail pressure.
Can be used with: Diesel, Oil, Water, Coolant, Air, Gasoline and other materials compatible with aluminum
Measures 2.4" in total length.
Minimum differential pressure to open the valve in the direction of flow: 3 PSI
Maximum differential the valve will hold: 90 PSI