S-44615K337 1.38" ID x 1 21/32" OD x 11" Long ASME B1.20.1, ASTM A53, ASTM A733 Standard-Wall Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-coated steel construction, extending service life in demanding industrial environments
• Reliable leak-proof connections through precision NPT threading on both ends, ensuring secure sealing with iron and steel fittings
• Enhanced structural integrity from welded construction, providing exceptional strength for high-pressure applications up to Class 150
• Versatile multi-medium compatibility for air, natural gas, oil, steam, and water systems, reducing inventory needs
• Precise dimensional accuracy with Schedule 40 wall thickness, maintaining consistent flow characteristics and installation fit
• Industry-standard compliance with ASME B1.20.1, ASTM A53, and ASTM A733 specifications, ensuring quality and interchangeability
• Optimized 11-inch length providing flexible spacing solutions while maintaining structural stability in piping layouts

Professional Applications & Engineering Value

This black-coated steel threaded pipe nipple delivers exceptional performance in demanding industrial fluid handling systems. The welded construction combined with Schedule 40 wall thickness provides critical strength for handling varying pressures in air compression, natural gas distribution, petroleum transfer, steam lines, and water systems. The NPT threaded male connections on both ends ensure secure, leak-resistant joints with iron and steel fittings rated for Class 125 and 150 applications. Engineered to withstand thermal expansion, vibration, and pressure fluctuations, this 11-inch pipe nipple solves common installation challenges in industrial plumbing, process piping, and mechanical systems where reliable, long-term connections are essential for operational continuity and safety compliance.

Specification Summary & Compliance

This 1 1/4" Schedule 40 pipe nipple features NPT (National Pipe Taper) threads conforming to ASME B1.20.1 standards for dimensional accuracy and proper sealing. Manufactured from black-coated steel meeting ASTM A53 and ASTM A733 specifications, ensuring material quality and performance consistency. The product maintains standard pipe dimensions with 1.38" ID, 1 21/32" OD, and 0.14" wall thickness, suitable for use with iron and steel fittings in Class 125 and 150 flange applications. Compliant with industry standards for industrial piping systems handling air, natural gas, oil, steam, and water.