These valves are designed to control the output of pumps and, with simple adjustments and installation methods, prevent shocks caused by the start of pump movement. These valves actuate needle valves by reducing the pressure at the pump inlet or outlet, and insert the pump into the water supply line.

• DN: 50 to 800 mm
• PN: 10 to 25 bar
• Standards:
  • EN 558 – Series 1,
  • EN 1092-2
  • EN 12266