Combination Air Valve
Municipal and industrial high-pressure water conveyance systems, Desalination & Sea Water, Mines, Oil & Gas, Marine - Ballast Water, Power Plant Cooling, Fuel.
50mm-150mm (2" - 6")
The D-46NS series high flow combination air valve combines the features of both an air release valve and an air & vacuum valve. The valve automatically discharges and admits air during the filling or draining of a pipeline, while also releasing pockets of air during operation under pressure.
Simple one-piece body and reliable structure to lessen the chance of leaks and vandalism.
Vast operational pressures
Working pressure ranges from 0.1 - 16 bar.
An easy to assemble NS disc is available to add the capability for Non-Slam operation.