S-7733K281 2 1/8" ID x 2 7/8" OD x 2 1/2" Long ASME B1.20.1, ASTM A106, ASTM A53, ASTM A733 Extra-Thick-Wall Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Enhanced Durability: Seamless black-coated steel construction provides superior resistance to corrosion and wear, extending service life in demanding industrial environments.
• High-Pressure Reliability: Schedule 160 rating with a 3/8" wall thickness ensures maximum strength and leak-free performance for high-pressure applications with air, hydraulic fluid, oil, and steam.
• Universal Compatibility: Fully threaded NPT (National Pipe Taper) design offers a secure, standardized connection for Class 3000 fittings and Class 1500 flanges, simplifying installation and maintenance.
• Versatile Fluid Handling: Engineered to safely convey a wide range of media including natural gas, water, hydraulic fluid, and oil, reducing the need for multiple connector types.
• Regulatory Assurance: Compliant with REACH and RoHS 3 standards, ensuring environmental safety and material quality for global industrial supply chains.
• Precision Manufacturing: Manufactured to ASME B1.20.1 and ASTM A106/A53 standards, guaranteeing consistent thread accuracy and dimensional integrity for reliable, long-term performance.
• Robust Structural Integrity: Extra-thick wall and seamless design minimize risk of failure under stress, providing a dependable solution for heavy-duty piping systems.

Professional Applications & Engineering Value

This heavy-duty 2 1/2" NPT threaded pipe nipple is engineered to address critical challenges in industrial fluid and gas systems. The seamless black-coated steel construction eliminates weak points, preventing leaks and withstanding high-pressure surges in applications such as hydraulic power units, steam lines, and compressed air systems. Its Schedule 160 thickness and fully threaded NPT design ensure a tight, secure fit that resists vibration loosening, a common issue in machinery and processing plants. By conforming to ASME B1.20.1 and ASTM A106 specifications, this nipple delivers reliable performance in oil, natural gas, and water services, reducing downtime and maintenance costs. Its compliance with REACH and RoHS 3 further supports sustainable and safe operations, making it an ideal choice for engineers prioritizing durability and regulatory adherence in Class 3000 fitting and Class 1500 flange assemblies.

Specification Summary & Compliance

This product features precision NPT threading per ASME B1.20.1 standards, ensuring proper taper and fit for leak-resistant connections. It is manufactured from seamless steel in accordance with ASTM A106, ASTM A53, and ASTM A733 specifications, providing consistent dimensional accuracy and mechanical properties. The nipple is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances. With a 2 1/2" pipe size, 2 1/8" ID, and 2 7/8" OD, it meets the rigorous demands of industrial applications requiring extra-thick walls and high-pressure ratings.