S-44665K503 4.026" ID x 4 1/2" OD x 8" Long ASTM B241 Standard-Wall Aluminum Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior Corrosion Resistance with 6061 aluminum construction for extended service life in demanding air, oil, and water applications.
• Leak-Resistant Connections ensured by precision NPT male threads on both ends, providing reliable sealing in industrial piping systems.
• Enhanced Structural Integrity from seamless construction, eliminating weak points and improving pressure handling for Class 150 fittings.
• Optimal Flow Efficiency with a precise 4.026" ID and Schedule 40 design, minimizing pressure drop in your systems.
• Long-Term Durability supported by compliance with ASTM B241 standards, guaranteeing material quality and performance consistency.
• Environmental Compliance with RoHS 3 regulations, ensuring safe use in various industrial environments without hazardous substances.
• Easy Installation & Compatibility with standard 4" aluminum flanges (Class 125) and fittings, reducing assembly time and inventory complexity.

Professional Applications & Engineering Value

This 4" Schedule 40 aluminum threaded pipe nipple is engineered to address common industrial challenges such as corrosion, leakage, and system downtime. The seamless 6061 aluminum construction provides excellent resistance to oxidation and chemical degradation, making it ideal for air, oil, and water systems where reliability is critical. The NPT male threads on both ends ensure a tight, secure fit with compatible aluminum fittings, reducing the risk of leaks in high-pressure environments. By meeting ASTM B241 specifications, this nipple delivers consistent dimensional accuracy and strength, supporting efficient fluid transfer in HVAC, hydraulic, and process piping applications while minimizing maintenance needs.

Specification Summary & Compliance

This product features precise dimensions including a 4.026" ID, 4 1/2" OD, and 0.237" wall thickness, conforming to Schedule 40 standards for reliable performance. Threads are manufactured to NPT (National Pipe Taper) specifications, ensuring compatibility with standard industrial fittings. It complies with ASTM B241 for material and manufacturing quality, and is RoHS 3 (2015/863/EU) Compliant, adhering to environmental regulations for hazardous substance restrictions.