The K7 Unloader Valve

The K7 Unloader Valve eliminates high pressure in all lines while the water blaster unit is in bypass mode.

Three sizes available to suit different water flow rates from the pump. The K7 unloader valves will not work properly with flow rates outside of their flow range.

Made by the Interpump Group in Italy

Features:

• All stainless and brass internal parts.
• New design reduces sensitivity to entrapped air.
• No external moving parts or springs.
• Eliminates high pressure in all lines while unit is in bypass mode
• Unique balanced piston design permits precise pressure adjustment.
• Simple design for easy maintenance and service.

Specifications K7.1

• Pressure Max: 3500 psi
• Flow Rate Max: 11 to 15.9 litres per minute
• Max Temp: 74 °C
• Inlet: 3/8″ BSP F
• Outlet: 3/8″ BSP M
• Bypass: 3/8″ BSP F

Specifications K7.2

• Pressure Max: 3500 psi
• Flow Rate Max: 15.9 to 25 litres per minute
• Max Temp: 74 °C
• Inlet: 3/8″ BSP F
• Outlet: 3/8″ BSP M
• Bypass: 3/8″ BSP F

Specifications K7.3

• Pressure Max: 3500 psi
• Flow Rate Max: 25 to 40.9 litres per minute
• Max Temp: 74 °C
• Inlet: 3/8″ BSP F
• Outlet: 3/8″ BSP M
• Bypass: 3/8″ BSP F