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The AQUALINE GPN-20-12 is a Schedule 40 galvanized steel pipe nipple sized at 2 inches in diameter by 12 inches in length. Galvanized steel construction provides corrosion resistance suitable for water supply, irrigation, and general plumbing distribution lines. This nipple serves as a threaded connector between fittings, valves, and pipe sections in both above-ground and below-grade installations where steel pipe is specified. Licensed plumbers and pipefitters install this type of fitting as part of threaded black or galvanized pipe assemblies in residential and light commercial systems.
This nipple is appropriate for use in potable water supply lines, fire suppression rough-in, compressed air distribution, and irrigation mainline assemblies where Schedule 40 galvanized steel pipe is required by code or specification. It is suited for both residential and commercial plumbing applications that call for a 2-inch threaded connection in a 12-inch overall length.
Designed as an OEM-style replacement or standard component for Schedule 40 threaded galvanized steel pipe systems using 2-inch nominal pipe size fittings and valves.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable IPC or local plumbing code requirements. Shut off the water supply and depressurize the line before removing or installing any threaded nipple. Apply pipe thread sealant or PTFE tape to the male threads before makeup to ensure a leak-free joint. Do not over-tighten threaded connections, as this can damage fittings or crack cast iron and brass components.
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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