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D-43NS, D-43P

D-43NS, D-43P

Combination Air Valve

Product Details


Combination Air Valve


Pump Stations, Downstream & Upstream of Shut-off Valves, After Deep-well Pumps, At End Lines, Before Water Meters, On Strainers & Filters.

Valve Selection

50mm-150mm (2" - 6")


Flanged, Threaded NPT or BSPT

Product Details

The Barak Pro D-43NS series air valves use an internal float and seal design along with an air release rolling seal to provide the features of both an air release valve and an air & vacuum valve into one compact product.

The air release component is designed to automatically release small pockets of air to the atmosphere when 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.

Product Details

Product Benefits

Small & Simple

Lightweight, small dimensions, simple and reliable structure.

Vast operational pressures

Lightweight, small dimensions, simple and reliable construct.

Minimum Maintenance Downtime

All operating parts are consolidated into one replaceable cartridge.