Description
Copilot said:
OTR31000 is an air brake pressure protection valve, typically set to open at 65 PSI. It is used in heavy-duty truck air systems to protect critical brake air pressure and isolate accessory circuits if system pressure drops.
Key details:
Part Number: OTR31000
Type: Pressure Protection Valve
Opening Pressure: 65 PSI
Cross Reference: Commonly crosses to KN31000 / Midland-Haldex KN-31000






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