S-9157K801 3.068" ID x 3 1/2" OD x 4 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.
• Versatile dual-connection design featuring NPT threading on one end and butt weld/socket connect options for flexible installation in complex piping systems.
• Robust pressure handling with Schedule 40 wall thickness and Class 150 rating, ensuring reliable performance in high-stress industrial applications.
• Precision-engineered dimensions including 3.068" ID and 3 1/2" OD, guaranteeing consistent fit and optimal flow in standard 3" piping systems.
• Long-term durability through welded construction and compliance with ASTM A312, ASTM A733, and ASME B1.20.1 standards for dependable service life.
• Environmental and safety compliance with RoHS 3 (2015/863/EU), making it suitable for regulated industrial and commercial use.
• Reduced installation time with male threaded and socket/butt weld ends, enabling quick, secure connections without additional adapters.

Professional Applications & Engineering Value

This 3" Schedule 40 stainless steel threaded pipe nipple is engineered to address critical challenges in industrial fluid and gas handling systems. Constructed from 304/304L stainless steel, it provides excellent resistance to corrosion, oxidation, and high-temperature degradation, making it ideal for steam, oil, and natural gas applications. The combination of NPT threading on one end with butt weld or socket connect options on the other allows for seamless integration into existing pipelines, reducing potential leak points and maintenance downtime. Its welded construction and adherence to ASTM A312 and ASME B1.20.1 standards ensure reliable performance under pressure, while the precise 3.068" ID maintains efficient flow rates. This adapter is a cost-effective solution for upgrading or repairing Class 150 piping systems in chemical plants, power generation, and HVAC installations, where durability and compliance are paramount.

Specification Summary & Compliance

This product meets ASTM A312 for seamless and welded pipe, ASTM A733 for welded and seamless carbon and austenitic stainless steel pipe, and ASME B1.20.1 for NPT thread standards, ensuring dimensional accuracy and interchangeability. It is RoHS 3 (2015/863/EU) Compliant, confirming adherence to environmental regulations. The nipple is designed for Class 150 fittings and Schedule 40 piping, with precise threading and wall thickness (0.216") for secure, leak-resistant connections in industrial settings.