G I Air Vent pipe

General Specifications:

Parameter Details
Material Galvanized Iron (GI), as per IS 1239 / IS 3589 standard
Pipe Diameter 15 mm to 150 mm (½" to 6") or as per project requirement
Pipe Length 1 meter to 6 meters (customizable)
Pipe Thickness Class A, B, or C (light, medium, heavy duty GI pipe)
End Connection Plain end / Threaded / Flanged / Welded
Surface Finish Hot-dip galvanized coating (zinc coated for rust protection)
Coating Thickness 80 to 120 microns (as per IS 4736)
Mounting Vertical installation (often with a rain cap or mesh cover on top)
Accessories Air vent cap, mesh, elbow, reducer, flange (if needed)
Working Pressure Suitable for low to medium pressure systems (up to 10 kg/cm² approx.)
Application Areas Water supply lines, overhead tanks, sewerage systems, plumbing systems

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📌 Functions of GI Air Vent Pipe:

  • Releases trapped air in pipelines or tanks

  • Prevents negative pressure (vacuum)

  • Allows proper flow in gravity-based systems

  • Reduces pipe corrosion and water hammer effects


🛠️ Optional Add-ons:

  • Vent Cowl / Cowl Cap – Prevents debris entry

  • Non-return Valves / Air Release Valves – For advanced pressure systems

  • Wire Mesh Cover – To prevent insects or rodents from entering

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