Hendrickson Pressure Protection Valve VS-1128 / AIRman B2400-B80
The VS-1128 / AIRman B2400-B80 is a 70psi pressure protection valve. Closes at 70psi, opens at 75psi. Uses (2) two, 1/4″ Female NPT thread ports, that are opposed to each other. Used on OEM Hendrickson suspensions. Generally found mounted to one side of the air tank.