S-46755K137 1.278" ID x 1 21/32" OD x 3 1/2" Long ASME B1.20.1, ASTM A733 Thick-Wall Stainless Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance with 304/304L stainless steel construction, ensuring long-lasting performance in harsh environments with air, hydraulic fluids, natural gas, oil, steam, and water.
• Enhanced pressure handling due to Schedule 80 thick-wall design and seamless construction, minimizing risk of leaks and failures in high-pressure industrial systems.
• Reliable sealing and compatibility with NPT threads on both ends, providing secure, standardized connections that meet ASME B1.20.1 specifications for consistent fit.
• Robust durability in demanding applications from seamless manufacturing, which eliminates weak points and supports use in Class 3000 fittings and Class 300/600 flanges.
• Wide fluid and gas service capability, engineered to handle multiple media including oil, steam, and water without degradation, reducing inventory needs for diverse projects.
• Precision dimensional accuracy with a 1.278" ID and 1 21/32" OD, ensuring easy installation and alignment in piping systems for reduced downtime.
• Environmental and regulatory compliance with RoHS 3 standards, supporting sustainable procurement and safe use in regulated industries.

Professional Applications & Engineering Value

This heavy-duty threaded pipe nipple is crafted from 304/304L stainless steel with a seamless construction to address critical industrial challenges such as pressure integrity and corrosion in aggressive environments. Its Schedule 80 thickness and NPT threading on both ends provide a reliable solution for high-pressure applications involving air, hydraulic fluid, natural gas, oil, steam, and water, reducing the risk of system failures and maintenance costs. By conforming to ASME B1.20.1 and ASTM A733, it ensures interoperability with standard pipe fittings and flanges, making it ideal for oil and gas, chemical processing, and HVAC systems where durability and leak-proof performance are paramount. The seamless design eliminates potential weak seams, enhancing its engineering value in critical infrastructure projects.

Specification Summary & Compliance

This product adheres to NPT thread standards per ASME B1.20.1 with precise dimensions including a 1.278" ID and 1 21/32" OD for consistent fit. It meets ASTM A733 specifications for seamless welded and seamless stainless steel pipe, ensuring high-quality manufacturing. The nipple is RoHS 3 (2015/863/EU) Compliant, supporting environmental safety, and is suitable for use with Class 3000 fittings and Class 300/600 flanges, confirming its reliability in various industrial settings.