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Irrigation Warehouse Group Pty Ltd

Current Category
Air Release Valves


Air release valves are required on all positive pressure systems to allow the air in the pipework to escape thus preventing damage to pumps, pipes and fittings.   Vacuum breakers are required to allow air to enter the pipework when necessary to prevent pipe collapse.   Click on the link here to view the video on "Why do we need air release valves? or "Save money & energy"




25mm  Vacuum Breaker Valve - ARI  AV-010-25

25mm Vacuum Breaker Valve - ARI AV-010-25

ARI vacuum breakers allow air to enter the pipework as soon as the pressure inside the pipework is less than zero kPa.   It may also allow trapped air to escape from the pipework under positive pressure however, as soon as the water in the system hits the underside of the valve, the valve will close.   In situations where you need the entrapped air to be released while the system has a positive pressure, use an ARI "Segev" or "Barak" automatic air release valve.   Max 10 Bar.  The units supplied will have a blue top and black body.

  • Admits air into the pipelines at high flow rates during its drainage.
  • Dynamic design allows high velocity air discharge, up to 0.7 bar differential pressure; Preventing premature closing.
  • Specially suitable for agricultural and landscape irrigation laterals.
  • Drip-tight sealing at low pressure.
  • All parts are UV-protected.
  • 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.
  • Working pressure range: 0.2-10 bar (3-150 psi).


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50mm Vacuum Breaker Valve - ARI  AV-010-50

50mm Vacuum Breaker Valve - ARI AV-010-50

ARI vacuum breakers allow air to enter the pipework as soon as the pressure inside the pipework is less than zero kPa.   It may also allow trapped air to escape from the pipework under positive pressure however, as soon as the water in the system hits the underside of the valve, the valve will close.   In situations where you need the entrapped air to be released while the system has a positive pressure, use an ARI "Segev" or "Barak" automatic air release valve.   Max 10 Bar.   The units supplied will have a blue top and black body.

  • Admits air into the pipelines at high flow rates during its drainage.
  • Dynamic design allows high velocity air discharge, up to 0.7 bar differential pressure; Preventing premature closing.
  • Specially suitable for agricultural and landscape irrigation laterals.
  • Drip-tight sealing at low pressure.
  • All parts are UV-protected.
  • 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.
  • Working pressure range: 0.2-10 bar (3-150 psi).


Price:







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25mm ARI Blue Top Automatic Air Release Valve "Segev" SG-10 - Rated to 10 Bar

25mm ARI Blue Top Automatic Air Release Valve "Segev" SG-10 - Rated to 10 Bar

This ARI 25mm automatic continuous acting air release valve (SG-10) is often used on filters, valve manifolds and main pressure pipelines to release air in small volumes when the pipeline is at positive pressure.   The "Automatic" air release valve has a 12mm square orifice that enables it to discharge air at high flow rates and is not exposed to obstruction by debris.   Don't forget to install a 1" ball valve on the inlet side of the Segev to enable you to isolate the valve while under pressure so that it can be cleaned.   Suitable for use on systems to 1,000 kPa and the valve has a sealing pressure of 20 kPa.

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25mm ARI Automatic Air Release Valve "Segev" S-050-025 - Rated to 16 Bar

25mm ARI Automatic Air Release Valve "Segev" S-050-025 - Rated to 16 Bar

This ARI 25mm automatic continuous acting air release valve (S-050) is often used on filters, valve manifolds and main pressure pipelines to release air in small volumes when the pipeline is at positive pressure.   The "Automatic" air release valve has a 12mm square orifice that enables it to discharge air at high flow rates and is not exposed to obstruction by debris.   Don't forget to install a 1" ball valve on the inlet side of the Segev to enable you to isolate the valve while under pressure so that it can be cleaned.   Suitable for use on systems to 1,600 kPa and the valve has a sealing pressure of 20 kPa.

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25mm Barak Blue To Combination Automatic Air Release Valve "Barak" DG-10 - Rated to 10 Bar

25mm Barak Blue To Combination Automatic Air Release Valve "Barak" DG-10 - Rated to 10 Bar

The DG-10 Blue Top Barak Combination Air Valve has the features of both an Air-Release valve and an Air/Vacuum valve.   The Air-release component of the DG-10 was designed to automatically release to the atmosphere small pockets of air as they accumulate at local high points along the pipeline when the pipeline or piping system is full of water and operating under pressure.   The Air/Vacuum component was designed to automatically discharge or admit large volumes of air during the filling of draining of the pipeline or piping system.   This valve will open to relieve negative pressures whenever water column separation occurs.   Rated to operate between 0.2 Bar - 10 Bar.   Click on the 'information' button to the right for more details.



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50mm Blue Top Barak Combination Automatic Air Release Valve "Barak" DG-10 - Rated to 10 Bar

50mm Blue Top Barak Combination Automatic Air Release Valve "Barak" DG-10 - Rated to 10 Bar

The D-040 Barak Combination Air Valve has the features of both an Air-Release valve and an Air/Vacuum valve.   The Air-release component of the D-040 was designed to automatically release to the atmosphere small pockets of air as they accumulate at local high points along the pipeline when the pipeline or piping system is full of water and operating under pressure.   The Air/Vacuum component was designed to automatically discharge or admit large volumes of air during the filling of draining of the pipeline or piping system.   This valve will open to relieve negative pressures whenever water column separation occurs.   Rated to operate between 0.2 Bar - 16 Bar.   Click on the 'information' button to the right for more details.



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25mm Barak Combination Automatic Air Release Valve "Barak" D-040-25 - Rated to 16 Bar

25mm Barak Combination Automatic Air Release Valve "Barak" D-040-25 - Rated to 16 Bar

The D-040 Barak Combination Air Valve has the features of both an Air-Release valve and an Air/Vacuum valve.   The Air-release component of the D-040 was designed to automatically release to the atmosphere small pockets of air as they accumulate at local high points along the pipeline when the pipeline or piping system is full of water and operating under pressure.   The Air/Vacuum component was designed to automatically discharge or admit large volumes of air during the filling of draining of the pipeline or piping system.   This valve will open to relieve negative pressures whenever water column separation occurs.   Rated to operate between 0.2 Bar - 16 Bar.   Click on the 'information' button to the right for more details.



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50mm Barak Combination Automatic Air Release Valve "Barak" D-040-50 - Rated to 16 Bar

50mm Barak Combination Automatic Air Release Valve "Barak" D-040-50 - Rated to 16 Bar

The D-040 Barak Combination Air Valve has the features of both an Air-Release valve and an Air/Vacuum valve.   The Air-release component of the D-040 was designed to automatically release to the atmosphere small pockets of air as they accumulate at local high points along the pipeline when the pipeline or piping system is full of water and operating under pressure.   The Air/Vacuum component was designed to automatically discharge or admit large volumes of air during the filling of draining of the pipeline or piping system.   This valve will open to relieve negative pressures whenever water column separation occurs.   Rated to operate between 0.2 Bar - 16 Bar.   Click on the 'information' button to the right for more details.



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Pink Teflon Plumbers Tape for thread sealing without leaks

Pink Teflon Plumbers Tape for thread sealing without leaks

Our pink teflon plumbers tape is manufactured by Fedseal and is definitely a far superior product to all of those very thin white tapes.   "Teflon 002" is manufactured to a very high standard and so it is of uniform size and thickness over the complete roll.   With a thickness of 0.1mm it is up to 3 times thicker than some cheaper white versions on the market.   "Teflon 002" should be used on all Nyglass, stainless steel, brass, cast iron, aluminium, gunmetal, ductile iron, pvc and most other BSP style threads.   "Teflon 002" on our Hansen range of Nyglass fittings generally only requires 4 or 5 turns of "Teflon 002" to provide a leakproof seal.   Rolls of "Teflon 002" are 12mm wide x 0.1mm thick x 10m long and all of the tape can be used.



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