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The DURA PLASTIC L17665YP is a 2.5-inch nominal PVC pipe cap with a female NPT (FNPT) end style, rated for Schedule 40 and standard-wall applications. This cap is manufactured domestically from PVC, making it suitable for closing off pipe ends in water distribution, irrigation, drainage, and chemical-handling systems where thermoplastic fittings are specified. Plumbers and pipefitters install this cap when terminating a run, capping a test port, or blanking an unused branch. The FNPT thread engagement provides a leak-resistant seal when used with appropriate thread sealant or tape.
This cap is suited for residential and light commercial plumbing installations, pool and spa plumbing systems, irrigation lines, and industrial process piping where PVC Schedule 40 fittings are required. It is a standard fitting stocked by plumbing and irrigation contractors for routine service, new construction, and system modification work.
Designed as an OEM-style replacement or standard fitting for Schedule 40 PVC threaded piping systems with 2.5-inch nominal pipe size.
Installation is performed by licensed plumbers or pipefitters following applicable IPC and local plumbing code requirements. Shut off system pressure and drain the line before removing or installing any threaded cap. Apply thread sealant tape or paste rated for PVC and the intended service fluid before threading the cap onto the pipe. Do not overtighten threaded PVC fittings, as PVC threads can crack under excessive torque.
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