3/4 Inch GI Socket
The Standard GI Socket 3/4 serves as a critical coupling component for joining two male-threaded pipes in pressurized fluid systems. This malleable iron fitting features a heavy-duty hot-dip galvanized coating to prevent oxidation and internal scaling. It is engineered for compatibility with standard 3/4-inch BSP threaded pipes commonly used in municipal water distribution and industrial plumbing frameworks.
Built for the Job
This fitting withstands the rigorous demands of construction sites and mechanical rooms. The internal threading is precision-cut to ensure a tight seal when used with appropriate thread sealants. Contractors rely on this specific component for its structural integrity under moderate pressure and its resistance to mechanical stress. The zinc-rich exterior protects the base metal from corrosive soil conditions and atmospheric moisture, extending the service life of the entire piping network.
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Connecting straight runs of galvanized piping in residential water mains.
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Extending air compressor lines in workshop environments.
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Repairing damaged sections of agricultural irrigation systems.
Product Highlights
- Corrosion Protection
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The hot-dip galvanizing process provides a thick layer of zinc that acts as a sacrificial anode against rust.
- Thread Integrity
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- Deep-cut internal BSP threads for maximum engagement.
- Clean lead-in threads to prevent cross-threading during site assembly.
- Material Strength
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Manufactured from high-tensile malleable iron to resist cracking under wrench pressure or thermal expansion.
Technical Specifications
| Specification | Detail |
|---|---|
| Nominal Diameter | 3/4 Inch (DN20) |
| Material | Malleable Galvanized Iron |
| Thread Type | Internal BSP |
| Pressure Class | Class 150 / PN25 |
| Finish | Hot-Dip Galvanized (Zinc) |
What’s Included
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1 x 3/4 Inch Galvanized Iron Threaded Socket
On-Site & Workshop Notes
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Apply PTFE tape or pipe dope to the male threads before joining this fitting to ensure a leak-proof seal.
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Use a pipe wrench of appropriate size to avoid marring the galvanized surface during tightening.
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Store in a dry area if keeping stock for long periods to maintain the integrity of the threads.
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Verify that the pipe ends are deburred and clean before attempting to screw them into the coupling.

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