Ari Combination Air Valve 25mm (1") 10 Bar

The ARI D-040 is a combination air valve. It's reliable operation reduces water hammer incidents. The dynamic design allows high velocity air discharge, up to 0.8 bar differential pressure; Preventing premature closing. Lightweight, small dimensions, simple and reliable structure. The body is made of high strength plastic, and all operating parts are made of specially selected corrosion resistant materials. The drainage outlets enables removal of excess fluids. The air release mechanism uses the A.R.I patented, Rolling Seal Mechanism which: Dramatically reduces the possibility of obstruction by debris. Discharges high air flow rates up to 160 m3/Hr. One size orifice for a wide pressure range (up to 16 bar). Self cleaning mechanism. Working pressure range: 3/4", 1": 0.2-10 bar, 2": 0.2-16 bar. Available in 3/4" (20mm), 1" (25mm), 2" (50mm), BSPT threaded.