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Guardian 316 Stainless Steel TOE Pipe Nipple, 2.5″ x 3.5″

$37.77 on Amazon.com (as of October 17, 2026, 9:26 AM EST) View details ↗

Built for durability and precision, the Guardian 316 Stainless Steel TOE Pipe Nipple delivers a seamless solution for industrial and plumbing applications. Featuring a Threaded One End (TOE) with NPT threading for secure connections and a smooth, weldable end for custom fabrication, this Schedule 40 nipple ensures a leak-proof fit while maintaining structural integrity. Crafted from high-grade ASTM A312/A733 316 stainless steel, it resists corrosion, extreme temperatures (from -60°F to 650°F), and pressures up to 1,009 psi at 650°F, making it ideal for air, natural gas, propane, steam, and potable water systems.

Compliant with ASME B1.20.1 and designed for long-term performance, this nipple integrates effortlessly into existing piping setups. Whether you're upgrading a residential plumbing system or reinforcing an industrial pipeline, Guardian’s TOE design eliminates guesswork—simply thread one end and weld the other for a permanent, reliable connection. Trust in a product engineered for real-world demands, backed by industry-standard certifications and a reputation for quality.

Material316 Stainless Steel (ASTM A312/A733)
Thread TypeNPT Male (Threaded One End)
Nominal Size2.5″ x 3.5″ (2.88″ OD, 2.46″ ID)
Maximum Operating Pressure1,009 psi @ 650°F
Temperature Range-60°F to 650°F
ScheduleSchedule 40
Is this nipple safe for potable water applications?
Yes, this 316 stainless steel nipple is approved for use with potable water systems.
Can I weld directly to the non-threaded end?
Yes, the smooth non-threaded end is designed for welding, allowing for custom fabrication.
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