S-4548K481 4.026" ID x 4 1/2" OD x 10" Long 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 316/316L stainless steel construction, ideal for harsh chemical and marine environments.
• Reliable leak-proof connections ensured by precision NPT threading on both ends for secure sealing in high-pressure systems.
• Exceptional durability in demanding media including air, natural gas, oil, steam, and water, minimizing replacement frequency.
• Robust welded construction provides enhanced structural integrity for long-term service in industrial piping networks.
• Wide compatibility with Class 150 fittings and flanges, facilitating easy integration into existing systems.
• Compliance with strict industry standards (ASTM A733, ASME B1.20.1) guarantees dimensional accuracy and performance reliability.
• Environmentally safe operation with RoHS 3 compliance, meeting global regulatory requirements for hazardous substance control.

Professional Applications & Engineering Value

This 4" Schedule 40 NPT threaded pipe nipple is engineered to address critical challenges in industrial fluid and gas handling systems. Constructed from 316/316L stainless steel, it offers outstanding resistance to pitting and crevice corrosion, making it suitable for aggressive media like steam, oil, and natural gas. The welded construction and precise NPT threading on both ends ensure a tight seal, preventing leaks in high-vibration or pressure-cycling environments common in chemical processing, power generation, and oil refineries. Its standardized dimensions and Class 150 rating allow for seamless integration with compatible fittings, reducing installation time and maintenance costs while enhancing system uptime.

Specification Summary & Compliance

This pipe nipple adheres to ASTM A733 for welded and seamless stainless steel pipe and ASME B1.20.1 for NPT thread standards, ensuring precise tolerances and interchangeability. Key dimensions include a 4.026" ID, 4 1/2" OD, and 0.237" wall thickness, with a 10" length for flexible routing. It is RoHS 3 (2015/863/EU) Compliant, confirming the absence of restricted hazardous substances, and meets requirements for use with air, natural gas, oil, steam, and water in industrial applications.