Seal off your pipe end with confidence using the STZ Industries 2-1/2 in. FIP Black Malleable Iron Cap. Built for durability and dependable performance, this end cap fits 2-1/2" pipe with secure female-threaded connections, helping prevent leaks and protect your system from unwanted contaminants.
Key features you can rely on:
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Size and threading: 2-1/2" diameter with Female Iron Pipe (FIP) threads for straightforward, tool-friendly installation.
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Material and finish: Malleable iron with a robust black finish that resists corrosion and stands up to everyday use in plumbing, HVAC, and irrigation environments.
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Pressure and temperature rating: Designed for up to 300 psi and a maximum temperature of 150 °F, suitable for most residential and light commercial piping scenarios.
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Lead-free construction: Lead-free composition aligned with safer plumbing practices and protection for potable systems.
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Packaging: Bagged for convenient retail display and orderly job-site handling.
Smart applications and use cases
- Close off the end of a 2-1/2" pipe during maintenance, repairs, or system testing to prevent leaks and contamination.
- Cap irrigation lines, hydronic heating loops, or other low-pressure piping projects where a reliable, reusable end cap is beneficial.
- Use in new installations where a durable, threaded cap is needed to terminate a run with a secure, serviceable seal.
Installation and best practices
Before installation, ensure the receiving threads are clean and free of debris. Apply an appropriate pipe-thread sealant or Teflon tape rated for potable water to the male threads, then thread the cap on by hand and snug with a wrench—avoid overtightening to prevent thread damage. Inspect the seal after initial system pressurization and re-torque if necessary.
Why choose STZ Industries
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Reliability you can count on: A proven malleable iron cap designed to endure vibration, minor impacts, and routine system operation.
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Safe by design: Lead-free construction for safer plumbing and compliance with health-focused requirements in potable systems.
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Specific fit for 2-1/2" piping: Precise FIP threading ensures a proper, leak-resistant connection every time.
If you’re planning a plumbing or irrigation project that requires a durable, easy-to-install end cap for 2-1/2" pipe, the STZ Industries 2-1/2 in. FIP Black Malleable Iron Cap delivers a precise fit, strong seal, and long-term performance—without compromising safety or convenience.
