S-7733K349 3.438" ID x 4 1/2" OD x 5" 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 for extended service life in demanding environments
• Exceptional pressure handling with Schedule 160 wall thickness (0.531") and Class 3000/1500 compatibility for high-pressure applications
• Leak-proof performance through seamless construction and precision NPT threading meeting ASME B1.20.1 standards
• Multi-medium compatibility engineered for reliable operation with air, hydraulic fluid, natural gas, oil, steam, and water systems
• Enhanced structural integrity from extra-thick wall design that resists deformation under extreme operating conditions
• Regulatory compliance assurance with REACH and RoHS 3 certification for global industrial safety standards
• Precision dimensional accuracy with 4" NPT threading and 5" length for seamless integration into existing piping systems

Professional Applications & Engineering Value

This heavy-duty 4" NPT threaded pipe nipple delivers critical engineering solutions for industrial fluid and gas handling systems. The black-coated steel construction provides superior corrosion protection in aggressive environments, while the seamless design eliminates weak points that could compromise system integrity. Engineered to ASME B1.20.1 threading standards and ASTM material specifications, this Schedule 160 pipe nipple maintains reliable performance in high-pressure applications involving steam, hydraulic systems, and natural gas distribution. The extra-thick wall thickness (0.531") ensures dimensional stability under thermal cycling and mechanical stress, making it ideal for power generation, chemical processing, and industrial manufacturing where failure is not an option.

Specification Summary & Compliance

This 4" NPT threaded pipe nipple features precision threading to ASME B1.20.1 standards with dimensional compliance to ASTM A106, A53, and A733 specifications. The product maintains Schedule 160 wall thickness (0.531") with 3.438" ID and 4-1/2" OD dimensions, ensuring proper fit and pressure rating for Class 3000 fittings and Class 1500 flanges. Manufacturing and material compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) certification, guaranteeing environmental safety and regulatory acceptance for industrial applications worldwide.