PART NO : AB8303                            
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Used primarily in vehicular air brake systems, the WM-318 valve is a three-way, compensating, pilot pressure-operated relay valve.  This valve delivers an output pressure that is proportional to the amount of control pressure applied.  There is an adjustment which allows the output/control pressure ratio to be changed.

MODEL: WM318-A

PORT SIZE:

CROSS REFERENCES: WM318A, 112201
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.