Air Products
Pressure Relief Valves

Part numbers 110127 & 110627 are commonly used on truck, tractor or bus air brake system reservoirs in the event that the governor fails to cut-out at the designated air pressure & are normally mounted on the reservoir

Part Number Port (NPT) Pressure Setting
110127 1/4" Factory Set At 150 PSI
110399 1/4" Factory Set At 55 PSI
110527 3/8" Factory Set At 175 PSI
110601 1/4" Factory Set At 95 PSI
110627 3/8" Factory Set At 150 PSI
Pressure Relief Valves are designed to open at a specific psi to relieve excess pressure.

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