S-9157K97 1.38" ID x 1 21/32" OD x 6" 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 for extended service life in harsh environments.
• Reliable pressure handling for Class 150 applications, ensuring safe operation with air, natural gas, oil, steam, and water.
• Versatile dual-end connections featuring NPT threading on one end and butt weld/socket connect on the other for flexible installation.
• Precision-engineered threading per ASME B1.20.1 NPT standards, providing a secure, leak-resistant seal.
• Robust welded construction and Schedule 40 wall thickness for enhanced durability and structural integrity.
• Compliance with industry standards including ASTM A312 and A733, guaranteeing material quality and performance consistency.
• Environmentally responsible design with RoHS 3 compliance, meeting stringent regulatory requirements.

Professional Applications & Engineering Value

This 1 1/4" Schedule 40 stainless steel pipe nipple is engineered to address critical challenges in industrial fluid and gas handling systems. Its 304/304L stainless steel material offers excellent resistance to corrosion and oxidation, making it ideal for demanding applications involving air, natural gas, oil, steam, and water. The welded construction ensures high strength and leak-proof performance, while the NPT threaded end combined with a butt weld or socket connect option provides installation flexibility, reducing assembly time and potential failure points. This pipe adapter is specifically designed for Class 150 systems, supporting stable operation in pipelines where pressure integrity and long-term reliability are paramount. By integrating standardized threaded and socket connections, it simplifies maintenance and upgrades in complex industrial setups.

Specification Summary & Compliance

This product adheres to strict dimensional and performance criteria, including NPT thread type conforming to ASME B1.20.1 for precise fit. It meets material specifications under ASTM A312 and ASTM A733, ensuring consistent quality and mechanical properties. The pipe nipple is manufactured to Schedule 40 dimensions with a wall thickness of 0.14", supporting its use in Class 150 fittings and flanges. Additionally, it is RoHS 3 (2015/863/EU) Compliant, confirming the absence of hazardous substances for safe industrial use.