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Six-inch galvanised coupling with female threads both ends

Legend Valve

Legend Valve 352-513 6" Galvanized Coupling FNPT x FNPT

SKU CH-22CT-660XN

A 6-inch galvanized coupling with FNPT threads on both ends for joining pipe sections

  • 6-inch galvanized coupling joins two female NPT threads securely
  • Legend Valve model 352-513 ensures reliable plumbing connections
  • Galvanized steel construction resists corrosion for long service life
  • FNPT x FNPT design simplifies installation on standard pipe fittings
  • California Proposition 65 warning indicates chemical hazard awareness

6-inch Galvanized Coupling FNPT x FNPT

This galvanized coupling joins two female National Pipe Thread ends in a straight line. It suits plumbing installations that require a 6-inch connection between threaded pipes or fittings. The component is supplied new and ready for assembly.

California Proposition 65 warning included

The product carries a California Proposition 65 notice stating it contains a chemical known to cause cancer and birth defects or other reproductive harm. This warning informs installers and end users of the regulatory classification attached to the material.

Galvanized steel construction with female threads

Galvanized coating protects the steel body against corrosion in water supply and distribution systems. Female NPT threads on both ends accept standard male-threaded pipe nipples or fittings without adapters. The straight coupling design keeps the joint compact inside walls or enclosures.

Highlights

  • 6-inch galvanized coupling joins two female NPT threads securely
  • Legend Valve model 352-513 ensures reliable plumbing connections
  • Galvanized steel construction resists corrosion for long service life
  • FNPT x FNPT design simplifies installation on standard pipe fittings
  • California Proposition 65 warning indicates chemical hazard awareness

Specifications

BrandLEGEND VALVE

Questions about this item

Will the galvanized coating on this 6-inch coupling need replacement or re-coating over time?

The galvanized layer protects the steel from corrosion; under normal water service it lasts for decades without maintenance, but aggressive water chemistry or mechanical damage can shorten that life.

What is the first limit reached when this coupling is under sustained pressure in a plumbing system?

The pressure rating of the connected pipe and the thread seal typically govern before the coupling body itself becomes the limiting factor.

Does the coupling generate noticeable heat or noise when water flows through it continuously all day?

No — it is a passive fitting with no moving parts, so it produces no noise and negligible temperature rise during continuous flow.

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