S-7733K351 3.438" ID x 4 1/2" OD x 6" 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 corrosion resistance with black-coated steel construction, extending service life in harsh industrial environments.
• Exceptional pressure handling due to Schedule 160 extra-thick walls (0.531"), ideal for high-pressure applications with air, hydraulic fluid, and steam.
• Leak-proof connections ensured by precision NPT threading on both ends, conforming to ASME B1.20.1 standards for reliable sealing.
• Enhanced durability and strength from seamless steel construction, minimizing failure risks under continuous stress.
• Broad fluid compatibility for safe use with oil, water, natural gas, and other media, thanks to compliant steel material.
• Regulatory compliance assurance with RoHS 3 and REACH, meeting environmental and safety standards for global sourcing.
• Easy installation and interchangeability with standard 4" NPT male threads, reducing downtime in maintenance and assembly.

Professional Applications & Engineering Value

This heavy-duty 4" NPT threaded steel pipe nipple is engineered to address critical challenges in industrial fluid and gas systems. Its seamless construction and Schedule 160 wall thickness provide exceptional resistance to internal pressure and mechanical stress, preventing leaks and ruptures in high-demand applications like hydraulic systems, steam lines, and natural gas pipelines. The black-coated finish adds a layer of protection against corrosion, extending component life in moist or chemically aggressive environments. By complying with ASME B1.20.1 and ASTM standards, it ensures precise threading for secure, standardized connections, reducing installation errors and maintenance costs. Ideal for use with steel fittings and flanges rated for Class 3000 and 1500, this nipple delivers reliable performance in oil, water, and air handling systems, supporting efficient and safe operations in plants and machinery.

Specification Summary & Compliance

This product features precise NPT threads conforming to ASME B1.20.1 for consistent fit and sealing. It meets material specifications under ASTM A106, A53, and A733, ensuring high-quality seamless steel construction with dimensions of 6" length, 4" pipe size, and 0.531" wall thickness. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), affirming adherence to environmental and health standards for industrial use.