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The VALUE COLLECTION 6SPU3 is a stainless steel pipe coupling designed for joining two sections of pipe in pressurized fluid and gas systems. It features NPT (National Pipe Taper) threaded end connections on both ends, providing a secure, leak-resistant seal when properly torqued. Stainless steel construction offers corrosion resistance in demanding environments, including wet, chemical-exposure, or outdoor applications. This fitting is a standard-service component installed by licensed plumbers, pipefitters, and mechanical contractors working on commercial and industrial piping systems.
This coupling is suited for residential and light commercial plumbing, HVAC hydronic lines, and industrial process piping where NPT-threaded stainless fittings are specified. The 6SPU3 is a single-piece coupling, supplied individually, and is appropriate for use wherever a straight pipe-to-pipe connection is required and corrosion resistance is a priority. It is compatible with standard NPT-threaded pipe and fittings of the matching nominal size.
Designed as an OEM-style replacement or service fitting for systems requiring NPT-threaded stainless steel couplings in standard pipe configurations.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable IPC or IFGC codes. Shut off system pressure and drain the affected line before removing or installing any pipe fitting. Apply appropriate thread sealant or PTFE tape to NPT threads before assembly. Do not over-tighten NPT fittings, as this can crack or deform the fitting body.
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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