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The AQUALINE GPN-20-C is a close-pattern Schedule 40 galvanized steel pipe nipple sized at 2 inches. A close nipple has threads running nearly the full length of the fitting, leaving little to no unthreaded center section. This construction makes it the right choice when two threaded fittings need to sit directly against each other with minimal gap. The hot-dip galvanized finish provides corrosion resistance for use in wet or outdoor environments. Plumbers and pipefitters install this nipple in water supply, irrigation, and general industrial piping systems where a standard steel fitting is required.
This nipple is suited for residential and light commercial plumbing, irrigation lines, pool and spa mechanical rooms, and industrial fluid handling applications where Schedule 40 galvanized steel is specified. It is commonly used to connect valves, unions, tees, and elbows in configurations that demand a short, tight coupling between two threaded components. The Schedule 40 wall thickness meets pressure requirements for typical low-to-medium pressure water service piping.
Designed as a standard OEM-style replacement or new-install fitting compatible with 2-inch NPT threaded piping systems using Schedule 40 galvanized steel components.
Installation is performed by a licensed plumber or pipefitter. Shut off the water supply and relieve system pressure before threading any fitting. Apply pipe thread sealant tape or compound to the male threads before installation to ensure a leak-free joint. Do not overtighten, as this can crack mating fittings or strip the threads on the nipple.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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