Beefy Heavy Duty Air Brake Relay Valve R 12 Type With Four Half Inch Delivery Ports One Half Inch Supply Port And One Quarter Inch Control Port Four Point Zero Psi Crack Pressure Replacement For Bendix Haldex Velvac Automann
✔️ Four 1/2 in delivery ports, 1/2 supply, 1/4 control; 4.0 psi crack
This heavy-duty air brake relay valve is a direct replacement for Type R-12V units, used in commercial truck and trailer brake systems. It relays pressure from the control valve to the brake chambers, speeding response and ensuring consistent signaling in harsh operating environments.
✅ Replacement for Type R-12V valve with DOT-compliant components
✅ Four 1/2 in delivery ports; 1/2 in supply; 1/4 in control port
✅ Crack pressure: 4.0 psi
✅ Corrosion-resistant components meet OE specs
✅ Compatible with Bendix, Haldex, Automann and more
💡 What is an R-12 air brake relay valve and how does it function in heavy-duty truck braking systems? This handy device speeds relay of air pressure from control valves to brake chambers, improving response in rugged hauls. - Replaces OEM R-12 valves in heavy-duty truck braking setups - Uses 4.0 psi crack pressure to ensure timely brake activation - Provides multiple ports for connection to supply, delivery, and control lines - Broad compatibility with Bendix, Haldex, Automann and more
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