S-7753K314 4.026" ID x 4 1/2" OD x 3 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

• Superior corrosion resistance with black-coated steel construction, extending service life in demanding industrial environments
• Reliable pressure handling with Schedule 40 wall thickness (0.237") for class 125/150 flange applications with air, gas, oil, steam, and water
• Seamless system integration through threaded NPT end and butt weld socket connection for versatile iron/steel piping installations
• Precision-engineered dimensions (4.026" ID, 4½" OD) ensuring proper fit and flow characteristics in 4" piping systems
• Rigorous quality assurance through compliance with ASME B1.20.1, ASTM A53, and ASTM A733 manufacturing standards
• Enhanced safety compliance meeting RoHS 3 and REACH environmental regulations for industrial applications
• Durable welded construction providing structural integrity for high-pressure fluid and gas transfer systems

Professional Applications & Engineering Value

This black-coated steel threaded pipe nipple delivers critical performance in industrial fluid handling systems where corrosion resistance and pressure integrity are paramount. The welded construction combined with NPT threading on one end and butt weld socket connection on the other creates a robust transition piece for iron and steel piping networks. Engineered specifically for air, natural gas, oil, steam, and water applications, this adapter solves common installation challenges in class 125 and 150 systems by providing a reliable connection method that withstands thermal expansion, vibration, and pressure fluctuations. The Schedule 40 wall thickness ensures dimensional stability while the protective coating prevents degradation in harsh operating environments, making it ideal for chemical plants, power generation facilities, and industrial processing systems where long-term reliability is essential.

Specification Summary & Compliance

This 4" Schedule 40 pipe nipple features precise NPT threading manufactured to ASME B1.20.1 standards with dimensional compliance to ASTM A53 and ASTM A733 specifications. The component maintains critical dimensions of 4.026" ID, 4½" OD, and 0.237" wall thickness with 3½" length for proper system integration. Manufacturing and material compliance includes full adherence to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications across multiple sectors.