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D-040 | Combination Air Valve “BARAK”

The air release component is designed to automatically release small pockets of air to the atmosphere as they accumulate along a pipeline or piping system when it is full and operating under pressure. The air & vacuum component is designed to automatically discharge or admit large volumes of air during the filling or draining of a pipeline or piping system. This valve will open to relieve negative pressures whenever water column separation occurs.

Application Range

  • Working pressure range: 0.2-16 bar.
  • Maximum operating temperature: 60°C.
  • Maximum intermittent temperature: 90° C.

For installation:

  • At pump stations
  • Downstream and upstream of shut-off valves After deep-well pumps
  • On long constant-sloped pipeline segments
  • At peaks along the pipeline and at peaks relative to hydraulic gradient.
  • Additional protective shell for anti-vandalism/theft applications.