S-4813K133 4.026" ID x 4 1/2" OD x 18" Long ASTM A733, ASME B1.20.1 Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance with 304/304L stainless steel construction, ideal for harsh chemical and environmental conditions in air, natural gas, oil, steam, and water systems.
• Reliable pressure handling with Schedule 40 standard-wall thickness, ensuring structural integrity under demanding industrial pressures.
• Leak-proof connections through precision NPT threads on both ends, providing secure, standardized fittings for consistent performance.
• Long-term durability from welded construction and 304/304L material, reducing maintenance needs and replacement costs.
• Broad compatibility with Class 150 flanges and fittings, facilitating easy integration into existing piping systems.
• Regulatory compliance assurance with ASTM A733 and ASME B1.20.1 standards, ensuring quality and safety in critical applications.
• Environmental safety with RoHS 3 compliance, meeting strict EU directives for hazardous substance restrictions.

Professional Applications & Engineering Value

This 4" Schedule 40 stainless steel threaded pipe nipple is engineered to address common industrial challenges such as corrosion-induced failures and connection leaks in high-pressure systems. Constructed from 304/304L stainless steel, it offers excellent resistance to oxidants and moisture, making it suitable for air, natural gas, oil, steam, and water applications. The welded construction and NPT threads ensure robust, leak-tight seals that withstand thermal cycling and mechanical stress. By adhering to ASTM A733 and ASME B1.20.1 specifications, this nipple delivers consistent dimensional accuracy and reliability, reducing downtime in processing plants, HVAC systems, and fluid transport networks. Its 18-inch length and standard-wall design provide versatility for custom installations while maintaining flow efficiency with a 4.026" ID.

Specification Summary & Compliance

This product meets precise dimensional tolerances as per ASTM A733 and ASME B1.20.1 standards for NPT threads, ensuring compatibility with Class 150 fittings and flanges. Key specifications include a pipe size of 4", Schedule 40 wall thickness (0.237"), 4.026" ID, and 4 1/2" OD. It is fully compliant with RoHS 3 (2015/863/EU) regulations, confirming the absence of restricted hazardous substances for safe use in various industrial environments.