S-4548K261 1.61" ID x 1 29/32" OD x 1 3/4" 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 in harsh environments thanks to 316/316L stainless steel construction, ideal for chemical, marine, and outdoor applications.
• Reliable high-pressure sealing with NPT threads conforming to ASME B1.20.1, ensuring leak-free connections for air, gas, oil, steam, and water systems.
• Enhanced structural integrity from welded construction and Schedule 40 wall thickness, providing robust performance under demanding industrial conditions.
• Full thread engagement across the entire 1 3/4" length for secure, versatile installation in tight spaces and various fitting configurations.
• Broad compatibility with Class 150 flanges and fittings, simplifying integration into existing piping systems for maintenance or new projects.
• Long-term durability backed by ASTM A733 specifications and RoHS 3 compliance, reducing replacement frequency and maintenance costs.
• Precision dimensional accuracy with standardized pipe size (1 1/2") and threading, ensuring consistent fit and reducing assembly time.

Professional Applications & Engineering Value

This 316/316L stainless steel threaded pipe nipple is engineered to address critical challenges in industrial fluid and gas handling systems. Its NPT threading and welded construction provide a secure, leak-resistant connection that withstands thermal cycling and vibration in steam, oil, and natural gas applications. The Schedule 40 wall thickness and ASTM A733 compliance ensure consistent pressure ratings and dimensional stability, minimizing failure risks in high-stress environments like chemical processing plants or power generation facilities. By utilizing RoHS 3 compliant materials, it also supports environmental regulations without compromising performance, making it a reliable choice for engineers prioritizing safety, longevity, and regulatory adherence in piping networks.

Specification Summary & Compliance

This product meets ASTM A733 for material and manufacturing standards and ASME B1.20.1 for NPT thread dimensions, ensuring precise Class 2A thread tolerances and reliable performance. It is fully RoHS 3 (2015/863/EU) compliant, adhering to environmental safety requirements. The nipple features a 1 1/2" pipe size with Schedule 40 wall thickness (0.145"), fully threaded NPT ends, and is designed for use with Class 150 fittings and flanges in air, natural gas, oil, steam, and water systems.