S-7753K261 1.049" ID x 1 5/16" OD x 5 1/2" Long ASME B1.20.1, ASTM A53, ASTM A733 Standard-Wall Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Multi-Service Compatibility: Engineered to handle air, natural gas, oil, steam, and water, providing versatile application across various industrial systems.
• Robust Welded Construction: Ensures superior durability and leak-free performance under high-pressure conditions, ideal for Class 125 and 150 flanges.
• Dual Connection Flexibility: Features NPT threaded end for easy assembly and butt weld/socket connect end for permanent, high-strength joints, reducing installation time.
• Corrosion-Resistant Black Coating: Extends service life by protecting the steel material from environmental and chemical degradation.
• Precision Threading: NPT threads conform to ASME B1.20.1, ensuring reliable, tight seals and compatibility with standard fittings.
• Schedule 40 Reliability: Designed with standard-wall thickness for consistent performance in demanding piping applications, minimizing risk of failure.
• Regulatory Compliance: Meets REACH and RoHS 3 standards, ensuring safety and environmental responsibility in industrial use.

Professional Applications & Engineering Value

This black-coated steel pipe adapter is specifically designed to address common challenges in industrial fluid and gas handling systems, such as leakage and corrosion. Its welded construction and NPT threaded end provide a secure, high-integrity connection that withstands pressure fluctuations in applications involving air, natural gas, oil, steam, and water. By integrating a butt weld or socket connect option, it simplifies transitions between threaded and welded piping setups, reducing assembly errors and maintenance downtime. The Schedule 40 design and adherence to ASME B1.20.1, ASTM A53, and ASTM A733 standards ensure dimensional accuracy and material consistency, making it a reliable choice for upgrading or repairing piping networks in plants, refineries, and utility services.

Specification Summary & Compliance

This adapter features precise dimensions: 1" NPT threaded end with Class 2A tolerance per ASME B1.20.1, and a butt weld/socket connect end for seamless integration. It complies with ASTM A53 for material quality and ASTM A733 for welded construction, ensuring high strength and durability. The product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations, supporting safe and environmentally responsible industrial operations.