GI 1 Inch Hex Nipple, Galvanized Iron Threaded Fitting

1 Inch Hex Nipple

The GI 1 Inch Hex Nipple is a heavy-duty galvanized iron fitting designed for connecting two female threaded pipes or valves in high-pressure water and fluid systems. It features a hexagonal center section that provides a secure grip for wrenches during installation. This hardware ensures a reliable seal in residential, commercial, and industrial plumbing configurations.

Built for the Job

Plumbers and facility managers use this hardware for extending pipe runs or connecting pumps to manifold systems. The hot-dipped zinc coating provides a sacrificial layer that resists oxidation in both indoor and outdoor environments. This fitting handles potable water, compressed air, and non-corrosive industrial fluids. The hexagonal nut in the middle allows for high torque without slipping or damaging the pipe wall. It serves as a superior alternative to standard barrel nipples when space allows for a wrench. The robust construction withstands the mechanical stresses common in industrial pump rooms and agricultural irrigation setups.

• Used for connecting 1-inch female threaded valves to main supply lines.

• Suitable for agricultural irrigation systems requiring robust metal connectors.

• Standard for fire protection standpipe connections in commercial buildings.

Product Highlights

Corrosion Resistance

The hot-dipped galvanization process ensures the metal remains protected against moisture and mineral buildup over long service lives.

Precision Machining

• Accurately cut threads ensure a leak-free fit when used with sealant.
• Thick-walled construction meets Class 150 pressure standards for safety.
• Hexagonal grip surface prevents tool slippage during high-pressure tightening.

Technical Specifications

What’s Included

• 1 x 1-Inch GI Hex Nipple

On-Site & Workshop Notes

• Always apply a generous layer of PTFE tape or pipe joint compound to male threads before assembly.

• Inspect the interior bore for any galvanizing slag before connecting to sensitive valves or meters.

• Avoid mixing this galvanized fitting directly with copper pipe to prevent electrolytic action and rapid corrosion.

• Hand-tighten first to ensure threads are not crossed before applying a heavy-duty pipe wrench.

• Store in a dry area to maintain the integrity of the zinc finish until the point of installation.