The Interpump K1 Unloader Valve is a reliable brass pressure regulating valve designed for professional pressure washing systems. It protects the pump by diverting water flow during bypass operation, helping to maintain consistent pressure and reduce wear on system components. 

Suitable for flow rates from 9 to 41 L/min, the K1 operates at pressures up to 250 bar and temperatures up to 80°C. It features a 3/8" female inlet and 1/2" male outlet, making it compatible with a wide range of commercial cleaning equipment.

Key Features

• Brass construction for durability and long service life.
• Maximum pressure: 500 bar. 
• Flow range: 9 to 41 L/min. 
• Maximum temperature: 80°C.
• 3/8" female inlet and 1/2" male outlet connections.

Ideal for pressure washers and industrial cleaning systems requiring dependable pressure control and pump protection.