Description
Williams Controls 118365 is a WM778-100 Pressure Protection Valve used in heavy-duty truck air brake systems. It is a normally closed air valve that protects the primary air system by preventing auxiliary circuits from drawing air until system pressure reaches approximately 70 PSI. It automatically recloses if pressure drops below that level.
Key specs
Manufacturer: Williams Controls
Part Number: 118365
Model: WM778-100
Type: Pressure Protection Valve
Opening/Closing Pressure: ~70 PSI
Maximum Operating Pressure: 150 PSI
Ports: (2) 1/8″ NPT
Temperature Range: -40°F to 180°F
Cross References
Haldex: 90555396
Tectran: WM778-100
Chelsea: 378414
WIL118365
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