110170 Spring Brake Control Valve, 3/8-1/2 in NPT, Compatible with Sealco | Replaces Sealco 110170/RSL110170; dual 1/2 in reservoir and 3/8 in supply, control and delivery ports
PREMIUM REPLACEMENT - A direct fit for major systems, cross-referencing key industry parts including Sealco 110170 series, Meritor RSL110170, Bendix 110170X, Haldex KN26000, and Euclid ESL110170.
STANDARD PORT CONFIGURATION - Equipped with (2) 1/2" NPT Reservoir Ports and (4) 3/8" NPT Delivery Ports (plus 3/8" NPT Supply/Control Ports) to match standard heavy-duty trailer air brake plumbing for hassle-free installation.
DUAL-FUNCTION CONTROL - Serves as the primary control valve for trailer parking and emergency air brake applications. Used to apply and release the spring brakes by controlling the air pressure to the spring brake chambers.
RESERVOIR PROTECTION - Features a robust 70 PSI PPV (Pressure Protection Valve) Closing Pressure to isolate the supply line and protect the system. This critical function prevents air loss, guaranteeing sufficient reserve pressure to repeatedly release the spring brakes if needed.
QUICK BRAKE IMMOBILIZATION - Engineered with a nominal 4.0 PSI Crack Pressure that facilitates a quick exhaust of air from the spring brake chambers upon emergency activation, resulting in rapid and secure trailer parking/stopping.