Interpump K1 Flow Sensitive Unloader Valve – 250 Bar, 9–41 LPM, 3/8" Inlet, 1/2" OutletThe Interpump K1 Unloader Valve is a heavy duty flow sensitive pressure regulation valve engineered for high performance pressure washers and industrial cleaning systems. Capable of handling up to 250 Bar and flows between 941 litres per minute, it ensures safe and efficient operation by smoothly diverting water to bypass when the trigger is released. Manufactured with a brass body and stainless steel internal components, the K1 offers excellent