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The BK 505-030 is a Schedule 80 PVC threaded nipple sized at 1 inch by 3 inches, used to make short pipe connections in pressurized liquid systems. It is machined to IPS (iron pipe size) dimensions and threaded to NPT (National Pipe Thread) standards, making it a direct-fit component for standard threaded fittings and valves. Manufactured to ASTM D1785 specifications, this nipple provides reliable service in water supply, irrigation, chemical handling, and general plumbing applications. Pipe thread compound or sealing tape must be applied to the threaded section before assembly to ensure a leak-free joint.
This nipple is suited for residential and light commercial plumbing, irrigation systems, industrial fluid lines, and pool or spa plumbing where a short Schedule 80 PVC threaded connector is required. Its heavier wall thickness compared to Schedule 40 makes it appropriate for higher-pressure service or installations where added mechanical strength is needed. Licensed plumbers and pipefitters are the primary installers, though experienced pool service technicians and HVAC mechanics may use it in auxiliary plumbing runs.
Designed as an OEM-style replacement or new-installation fitting for Schedule 80 PVC threaded piping systems using 1-inch NPT connections.
Installation should be performed by a licensed plumber or qualified pipefitter in accordance with applicable IPC and local plumbing code requirements. Always depressurize and drain the system completely before removing or installing threaded nipples. Apply pipe thread compound or PTFE sealing tape to all male threads before assembly. Do not over-tighten PVC threaded fittings, as excessive torque can crack the fitting body.
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