The STZ Industries 1/8 in. FIP Black Malleable Iron Cap is built to seal off small-diameter pipe ends with confidence. Featuring a rugged malleable iron body and a durable black finish, this cap delivers dependable performance in tight spaces and demanding environments.
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Threaded connection — 1/8 in. FIP (Female Iron Pipe) end ready to mate with compatible 1/8 in. FIP male fittings for a secure, leak-resistant seal.
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Material and finish — Malleable iron construction paired with a black finish for robust durability and corrosion resistance in plumbing, irrigation, and light pneumatic applications.
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Safety and suitability — Lead-free design supports potable water concerns, making it suitable for clean-water installations where code compliance matters.
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Performance ratings — Maximum working pressure up to 300 psi and maximum operating temperature up to 150°F, giving you a versatile option for a range of systems.
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Packaging — Bagged packaging for tidy storage and straightforward inventory handling on job sites or in toolkits.
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Ideal use cases — Perfect for capping unused or temporary line ends in residential plumbing, irrigation runs, or light commercial projects, as well as test closures during pressure testing.
Installation tips for a reliable seal: ensure threads are clean and undamaged, apply an appropriate pipe thread sealant or PTFE tape to the male threads, and tighten until snug—avoid overtightening to prevent thread damage. This cap is designed for compatibility with standard 1/8 in. FIP systems, making it a practical addition to any plumber’s or DIY enthusiast’s toolkit.
Choose STZ Industries for a dependable, lead-free cap that withstands everyday use while keeping lines securely closed when not in service. Add this 1/8 in. FIP black malleable iron cap to your cart and cap off your piping with confidence.
