S-7753K168 1.61" ID x 1 29/32" OD x 12" Long ASME B1.20.1, ASTM A53, ASTM A733 Standard-Wall Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-coated steel construction, extending service life in demanding industrial environments
• Reliable leak-proof connections through precision NPT threading that ensures tight seals with compatible fittings
• Enhanced structural integrity from welded construction, preventing failures under high-pressure applications
• Broad media compatibility for safe handling of air, natural gas, oil, steam, and water systems
• Direct compliance with major standards including ASME B1.20.1, ASTM A53, and ASTM A733 for guaranteed performance
• Environmental regulation adherence with REACH and RoHS 3 compliance, ensuring workplace safety and sustainability
• Versatile installation options with threaded × butt weld and socket connect styles for flexible system integration

Professional Applications & Engineering Value

This black-coated steel threaded pipe nipple delivers critical performance in industrial fluid and gas transfer systems where corrosion resistance and pressure integrity are paramount. The welded construction combined with NPT threading creates a robust connection point that withstands vibration and thermal cycling in applications ranging from steam lines to hydraulic systems. Engineered for Schedule 40 piping networks, it maintains consistent flow characteristics while providing a durable interface between iron and steel fittings. The black coating adds an essential protective layer against moisture and chemical exposure, significantly reducing maintenance intervals in plants processing air, natural gas, oil, steam, and water. Its standardized dimensions ensure seamless integration with existing 125 and 150 class flanges, making it an ideal solution for system upgrades and repairs.

Specification Summary & Compliance

This 1 1/2" NPT threaded pipe nipple features precision Class 2A thread tolerances per ASME B1.20.1 specifications, ensuring proper engagement with standard fittings. Manufacturing complies with ASTM A53 for material quality and ASTM A733 for welded construction standards. The product maintains dimensional accuracy with 1.61" ID, 1 29/32" OD, and 0.145" wall thickness consistent with Schedule 40 requirements. Regulatory compliance includes full adherence to REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) directives, confirming environmental safety and restricted substance management.