PART NO : AB8431                          
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Williams Pressure Protection Valve - Aftermarket.
Composed of normally-closed pressure-protection valve which are engineered for industrial and vehicular applications. With sufficient inlet pressure, these valves open to permit free flow of air. In the event of a system failure or a decrease in supply pressure, the valve will close to prevent any further pressure loss or reverse flow. Comes with filter - to reduce ingestion of contaminants.

OPERATING PRESSURE:
70 PSI

INLET PORT:
1/4" NPT

OUTLET PORT:​
1/4" NPT

CROSS REFERENCES:
WM778A, 118181.
A cross reference listing means that this valve is a suitable replacement for the part numbers listed. Some changes in air line plumbing may be required.