S-7733K137 0.614" ID x 1 3/64" OD x 4" 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

• Superior leak resistance with precision NPT threads on both ends, ensuring reliable seals in high-pressure air, hydraulic, and steam systems.
• Exceptional durability in harsh environments due to seamless black-coated steel construction, resisting corrosion from oil, water, and natural gas exposure.
• Heavy-duty performance for Class 3000 fittings and Class 1500 flanges, supporting demanding industrial applications without failure.
• Enhanced pressure handling with Schedule 160 extra-thick walls (0.218"), minimizing risk of burst or deformation under stress.
• Broad fluid and gas compatibility, safely conveying air, hydraulic fluid, natural gas, oil, steam, and water without degradation.
• Rigorous quality assurance through compliance with ASME B1.20.1, ASTM A106, A53, and A733 standards for consistent dimensional accuracy.
• Environmentally responsible manufacturing with REACH and RoHS 3 compliance, meeting global regulatory requirements for hazardous substances.

Professional Applications & Engineering Value

This heavy-duty threaded pipe nipple addresses critical engineering challenges in industrial fluid and gas systems. The seamless black-coated steel construction eliminates weak points, preventing leaks and withstanding high-pressure surges in hydraulic fluid and steam applications. Its NPT thread type ensures a tight, secure connection that resists vibration loosening, essential for natural gas and oil pipe connections where safety is paramount. The Schedule 160 wall thickness provides an extra margin of safety against corrosion and erosion, extending service life in aggressive environments. Designed for Class 3000 fittings, it delivers reliable performance in chemical plants, power generation, and industrial machinery, reducing maintenance downtime and replacement costs.

Specification Summary & Compliance

This pipe nipple features 3/4" NPT threads manufactured to ASME B1.20.1 standards for precise fit and leak-free performance. The seamless steel construction complies with ASTM A106, A53, and A733 specifications, ensuring material integrity and dimensional accuracy. With a 4" length, 1 3/64" OD, and 0.614" ID, it maintains consistent flow characteristics. The product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations, guaranteeing adherence to environmental and safety standards for industrial use worldwide.