GI (Galvanized Iron) Pipes
Galvanized iron pipes combine economy with reliable corrosion protection through zinc coating application. The zinc layer protects the underlying steel through both barrier protection and sacrificial action at coating defects.
GI pipes deliver decades of reliable service in water supply and drainage applications without maintenance. The threaded end design enables straightforward field assembly using standard pipe fittings.
Specifications
- Thread sizes from 1/2″ to 4″ for standard applications
- Schedule 40 wall thickness for pressure applications
- Pressure ratings from 100 to 200 PSI depending on diameter
- Available with male or female thread configurations
Applications
- Water supply distribution in residential neighborhoods
- Sprinkler and irrigation systems with outdoor exposure
- Waste and vent stacks in building drainage systems
- Industrial facility water supplies with moderate pressures
Benefits
- Cost-effective corrosion protection versus stainless alternatives
- Proven 50+ year service life in water applications
- Simple threaded assembly reduces installation complexity
- Uniform zinc coating provides protection at cut edges
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