Introducing the Smith-Cooper 1-1/2 in. MPT Stainless Steel 4 in. L Nipple—a lead-free, corrosion-resistant connector crafted to endure demanding piping runs. Built for reliability, this nipple simplifies threaded connections and helps minimize leak points in critical systems.
Why this nipple stands out
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Lead-free construction ensures safer, cleaner potable-water applications without compromising strength or durability.
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1-1/2 in MPT end provides a standard male pipe thread for compatible fittings, enabling secure, straightforward installation.
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4 inch length offers added reach and reduces the number of joints, cutting potential leak points in tight spaces.
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Stainless steel body delivers excellent corrosion resistance in moisture-rich environments, extending the life of your piping network.
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Maximum Pressure: 300
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Packaging: Bagged for protection during shipping and storage.
Ideal use scenarios
Perfect for residential, commercial, and industrial projects where a durable, long-lasting stainless steel nipple is needed. Use this 4" length to bridge gaps between fittings in water lines, heating systems, or other threaded assemblies that demand reliable performance and corrosion resistance.
Installation tips and best practices
Pair the 1-1/2 in MPT nipple with compatible female fittings, and apply an appropriate thread sealant suitable for stainless steel connections. Tighten to manufacturer-recommended torque for NPT threads, and verify system compatibility with the 300 unit maximum pressure specification to ensure a secure, leak-free setup.
