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Air Valves

Air in an irrigation system must be controlled, since the presence of air bubbles and air pockets or their absence (vacuum) may causeAir Valves content problems and damage the system.

Controlling Air in Irrigation Systems with Netafim’s Valves

Three types of air valves are usually installed in irrigation systems:

  • kinetic
    Kinetic air valves release large quantities of air from non-pressurized pipes and are mainly used when filling a line. Kinetic valves also make it possible to let in large quantities of air when lines are drained and at water column separation.
    Kinetic valves are also known as air / vacuum valves, large orifice air valves, vacuum breakers, low-pressure air valves and air-relief valves.
  • automatic release
    Automatic air valves continuously release relatively small quantities of air from a pressurized line. These valves are also known as air release valves, small orifice air valves and pressure air valves.
  • combination (double) valves.
    Combined air valves may fulfill the tasks required of both kinetic and automatic types. Each of these releases large volumes of air when filling and emptying a system, continuously releasing small volumes of air when the line is pressurized. Combined air valves are also known as double orifice air valves.

Specifications

Model Suitability W.Pressure Diameter Air Volume m3/h
DT-040 Landscaping 10 Bar 1/2", 3/4" 24
DG-10 Agriculture + Landscaping 10 Bar 3/4", 1" 47
DG-10 Agriculture + Landscaping 10 Bar 2" 280
AV-010 Agriculture + Landscaping 10 Bar 3/4", 1" 160
AV-010 Agriculture + Landscaping 10 Bar 2" 350
AV-010 Agriculture 10 Bar 3" 900