The STZ Industries 1-1/4 in. FIP x 1-1/4 in. FIP Black Steel Coupling is engineered for durable, leak-free connections between 1-1/4 in. nominal pipes or fittings. With two FIP (female iron pipe) ends and a rugged steel body, this coupling delivers dependable performance in a variety of piping projects.
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Ends: FIP on both sides (1-1/4 in. x 1-1/4 in. for standard threaded connections)
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Material & Finish: solid steel with a black finish for a professional look and long-lasting durability
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Lead-Free: designed to minimize lead content for safer piping options
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Pressure Rating: up to 300 psi
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Temperature Rating: up to 150°F
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Packaging: bagged to protect threads and keep contaminants out prior to installation
Common use scenarios include connecting two 1-1/4 in. threaded steel pipes in residential or light-commercial settings, where a secure, rigidity-backed joint is required. For best results, apply an appropriate pipe sealant or PTFE tape to the threads and tighten with a wrench to a snug, leak-free fit. The lead-free construction adds an extra layer of safety for piping systems where water or other contents may come into contact with the fitting.
Why this coupling stands out: it blends sturdy steel construction with a practical, two-ended FIP design, offering a reliable, ready-to-use solution for standard FIP-to-FIP connections. The black finish not only looks professional but helps conceal minor scratches and wear in visible installations, while the bagged packaging ensures the threads remain pristine until you’re ready to install.
Perfect for plumbers, contractors, and DIY enthusiasts tackling steel piping projects that require a strong, standard-threaded, lead-free coupling. This is a straightforward, cost-effective choice that contributes to durable piping systems with predictable performance.
