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The BK 405-060 is a Schedule 80 PVC threaded nipple used to make rigid, pressure-rated pipe connections in plumbing and industrial fluid-handling systems. Measuring 1 inch in diameter and 6 inches in length, it is machined to IPS (iron pipe size) dimensions and threaded to NPT (National Pipe Thread) standards. The Schedule 80 wall thickness provides greater pressure capacity than Schedule 40, making it well suited for demanding service conditions. Licensed plumbers and pipefitters install these nipples in both new construction and retrofit applications where a short, fixed-length threaded section is required between fittings, valves, or equipment.
This nipple is appropriate for residential and light commercial plumbing systems handling water and compatible liquids. It fits wherever a 1-inch NPT male threaded connection is required and is commonly used at fixture supply points, valve connections, pump inlets and outlets, and chemical distribution manifolds. Thread sealant compound or PTFE tape should be applied to the threaded portion before assembly to ensure a leak-free joint. The part meets ASTM D1785 specifications for rigid PVC pressure-rated pipe fittings.
Designed as an OEM-style replacement or new-installation fitting compatible with 1-inch NPT threaded PVC, metal, and CPVC fittings and valves meeting IPS pipe size standards.
Installation should be performed by a licensed plumber in accordance with the applicable International Plumbing Code (IPC) requirements. Shut off the water supply and relieve system pressure before threading the nipple into any fitting or valve. Apply an appropriate thread sealant compound or PTFE tape to the male threads before assembly. Do not use pipe wrenches directly on PVC without protection, as over-tightening can crack the fitting.
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