Interpump K3 Unloader Valves K3 Flow sensitive unloader valves – reduces pump and line pressure to zero 100 Bar / 1500 PSI Maximum Pressure 3/8″ Female inlet x 1/2″ Male outlet x 3/4″ Male by-pass 3 models available. Spec as follows: Ltrs / Min Description Order Code 8 to 11 K3.0 EX-28020 11 to 16 K3.1 EX-28021 16 to 21 K3.2 EX-28022
