AIR REGULATORS / 4-WAY VALVES / AIR PROCESSING UNIT

The WABCO Air Brake Pressure Protection Valve 9750090040 keeps a primary air circuit protected when a secondary circuit’s demand, or a developing leak, would otherwise pull air away from it. This kind of protection matters most on multi-circuit trucks where accessories, trailer supply lines, or auxiliary equipment share air with the service brakes. Once the primary circuit […]