Haldex KN28300 Fast Balance Air Valve FAB Relay Valve - Fast Air Dolly

Upgrade your converter dollies, LWB, and towing trailers with the Haldex KN28300 Fast Balance Air Valve FAB Relay Valve. This fast air relay valve accelerates control signals, meeting FMVSS121 pressure differential requirements for enhanced performance and safety.Featuring rotatable cover and built to OEM # N30096PA standards, this valve replaces Bendix R8P & R12P with ease. Specifications include:Two 1/2" NPT supply portsTwo 1/2" NPT delivery portsOne 3/8" NPT control portCrack pressure differential of 0 PSIMounting holes with 0.34" diameter, 2.50" center to centerUpgrade your towing equipment with the Haldex KN28300 Fast Balance Air Valve for improved reliability and performance.