S-7748K161 0.269" ID x 13/32" OD x 4" Long ASME B1.20.1, ASTM A53, ASTM A733 Standard-Wall Steel Pipe Nipples and Pipewith Right-Hand and Left-Hand Threads

Key Features & Benefits at a Glance

• Dual-thread versatility with right-hand and left-hand NPT threads on both ends enables flexible installation and secure connections in complex piping systems
• Black-coated steel construction provides enhanced corrosion resistance and durability for long service life in demanding industrial environments
• Welded design ensures structural integrity and leak-proof performance under high-pressure applications
• Multi-medium compatibility safely handles air, natural gas, oil, steam, and water transmission with reliable sealing performance
• Standardized dimensions with 1/8" NPT and Schedule 40 specifications guarantee precise fitment with iron and steel fittings
• Regulatory compliance with REACH and RoHS 3 standards ensures environmental safety and global market acceptance
• Industry certification meeting ASME B1.20.1, ASTM A53, and ASTM A733 standards validates quality and performance reliability

Professional Applications & Engineering Value

This black-coated steel pipe nipple with welded construction addresses critical challenges in industrial fluid handling systems. The dual-thread configuration featuring both right-hand and left-hand NPT threads provides exceptional installation flexibility, particularly in confined spaces where standard single-direction threading proves problematic. The black coating on steel material significantly enhances corrosion resistance, extending service life in aggressive environments handling air, natural gas, oil, steam, and water. Engineered to Class 125 and 150 pressure ratings, this pipe nipple maintains structural integrity under varying thermal and pressure conditions, preventing system failures and reducing maintenance downtime. The 4-inch length with precise Schedule 40 dimensions ensures compatibility with existing iron and steel infrastructure, making it an ideal solution for industrial plants, processing facilities, and mechanical systems requiring reliable pipe connections.

Specification Summary & Compliance

This 1/8" NPT threaded pipe nipple features precise NPT thread specifications conforming to ASME B1.20.1 standards, ensuring proper engagement and sealing performance. Manufacturing compliance includes ASTM A53 and ASTM A733 specifications for material quality and dimensional accuracy. The product maintains Schedule 40 wall thickness (0.068") with 13/32" OD and 0.269" ID dimensions. Regulatory compliance is confirmed with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) certifications, validating environmental safety and restricted substance adherence for global industrial applications.