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D-040 "Barak" Combination Air Valve

This is the double orifice version of the rolling seal mechanism. Due to the relatively large "automatic" orifice, this valve has an inherent two-stage non slam closure effect. This valve is available as a dual purpose valve to allow air out and air in, or as a single purpose air valve to allow air out or air into the pipeline only. The Barak is available in a Reinforced nylon body or the same valve covered in a cast iron housing to make it tamper proof.

• Dramatically reduces the possiblity of obstruction by debris.
• Automatic orifice discharges high air flow rate up to 160m³/h.
• One size orifice for a wide pressure range (up to 16 BAR).
• Self cleaning mechanism.

Click here to download D-040-C Combination Air Valve "BARAK" (202 KB)

D-040-P

D-040-C

Reliable operation reduces water hammer incidents. Dynamic design allows high velocity air discharge preventing premature closing. 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. Working pressure range: 3/4, 1" : 0.2-16BAR 2" : 0.2-16BAR Available in 20mm, 25mm, 50mm BSPT/NPT threaded

Reliable operation reduces water hammer incidents. Dynamic design allows high velocity air discharge preventing premature closing. The body is made of metal casting as an anti-vandalism application, and all operating parts are made of specially selected corrosion resistant materials. The drainage outlets enables removal of excess fluids. Working pressure range: 0.2-16BAR Available in 20mm, 25mm, 50mm BSPT/NPT threaded or flanged.