S-9157K26 1.38" ID x 1 21/32" OD x 1 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 for extended service life in demanding environments
• Dual-connection versatility with threaded × butt weld design enables flexible installation across multiple system configurations
• Precision NPT threading ensures leak-proof connections and reliable performance in high-pressure applications
• Heavy-duty Schedule 40 wall thickness provides exceptional structural integrity for air, gas, oil, steam, and water systems
• Industry-standard compliance with ASTM A312, ASTM A733, and ASME B1.20.1 guarantees consistent quality and interchangeability
• RoHS 3 environmental compliance meets modern regulatory requirements while maintaining industrial-grade reliability
• Optimized dimensional accuracy with precise 1 1/4" pipe size ensures seamless integration with Class 150 fittings

Professional Applications & Engineering Value

This 304/304L stainless steel pipe nipple delivers exceptional performance in critical industrial applications where corrosion resistance and pressure integrity are paramount. The welded construction combined with NPT threaded connections provides superior leak prevention in systems handling air, natural gas, oil, steam, and water. Engineered with Schedule 40 wall thickness, this adapter maintains structural stability under fluctuating pressures and temperatures, while the threaded × butt weld configuration offers installation flexibility for maintenance and system modifications. The ASTM A312 compliant material ensures consistent metallurgical properties, making it ideal for chemical processing, power generation, and industrial plumbing systems where material compatibility and long-term reliability are essential.

Specification Summary & Compliance

This precision-engineered pipe nipple features NPT thread type with standard dimensional accuracy per ASME B1.20.1. Manufactured from 304/304L stainless steel meeting ASTM A312 and ASTM A733 specifications, it maintains 1 1/4" pipe size with Schedule 40 wall thickness (0.14"). The product is fully RoHS 3 (2015/863/EU) compliant and designed for compatibility with Class 150 fittings and flanges in industrial fluid handling systems.