Description
WM-778-100 is a pressure protection valve manufactured by Williams Controls, commonly used in air brake systems, especially when an auxiliary system is supplied off a primary system. Here are the key specifications and features
Type: Normally closed pressure protection valve
Opening Pressure: Opens at 70 PSI (482 kPa)
Closing Pressure: Automatically closes if pressure drops below 70 PSI
Ports: Two 1/8” NPT ports
Max Operating Pressure: 150 PSI
Operating Temperature Range: -40°F to 180°F
Compliance: Meets FMVSS121 standards
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