S-9157K78 2.067" ID x 2 3/8" OD x 3 1/2" Long ASTM A312, ASTM A733, ASME B1.20.1 Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance with 304/304L stainless steel construction, ideal for demanding environments with air, natural gas, oil, steam, and water.
• Robust welded design ensures structural integrity and leak-free performance under Class 150 pressure ratings.
• Dual-connection versatility with NPT threading on one end and butt weld/socket connect on the other for flexible installation in diverse piping systems.
• Precision threading compliance with ASME B1.20.1 standards guarantees secure, reliable connections and reduces assembly errors.
• Long-term durability backed by ASTM A312 and ASTM A733 specifications, providing consistent performance in industrial applications.
• Environmental and safety compliance with RoHS 3 (2015/863/EU), ensuring safe use in regulated industries.
• Optimal flow efficiency with standard Schedule 40 wall thickness (0.154") and 2.067" ID, minimizing pressure drop in fluid and gas systems.

Professional Applications & Engineering Value

This 2" Schedule 40 stainless steel pipe nipple is engineered to address critical challenges in industrial fluid and gas handling systems. The 304/304L stainless steel material offers excellent resistance to oxidation and corrosive media, making it suitable for harsh applications involving air, natural gas, oil, steam, and water. Its welded construction and NPT threaded end ensure a tight seal, while the opposite butt weld or socket connect option allows for permanent, high-strength joints. This design minimizes leakage risks in Class 150 systems, reducing maintenance downtime and enhancing operational safety. By integrating standardized threaded and welded connections, this nipple simplifies installation in pipelines, valves, and pumps, supporting efficient upgrades and repairs in chemical plants, power generation, and HVAC systems.

Specification Summary & Compliance

This pipe nipple adheres to stringent manufacturing standards, including ASTM A312 for seamless and welded stainless steel pipes, ASTM A733 for welded and seamless carbon and austenitic stainless steel pipe nipples, and ASME B1.20.1 for NPT thread dimensions and tolerances. It features a 2" pipe size with Schedule 40 wall thickness (0.154"), 3 1/2" length, and precise threading for reliable fit. The product is RoHS 3 (2015/863/EU) Compliant, meeting environmental regulations for hazardous substance restrictions, and is designed for use with compatible 304/304L stainless steel fittings and flanges in industrial applications.