S-1443N201 1.38" ID x 1 21/32" OD x 8" Long ASME B1.20.1, ASTM A733 Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe with Sealant

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316/316L stainless steel construction for extended service life in demanding environments.
• Leak-proof sealing performance due to the integrated PTFE thread sealant, eliminating the need for additional sealant tapes or compounds.
• Exceptional durability under high-pressure conditions, compatible with air, natural gas, oil, steam, and water systems rated for Class 150.
• Guaranteed dimensional accuracy and reliable thread engagement, manufactured to meet ASME B1.20.1 NPT standards.
• Robust welded construction ensures structural integrity and resistance to vibration and mechanical stress.
• Compliance with stringent industry standards including ASTM A733 and RoHS 3, ensuring material quality and environmental safety.
• Ready-to-install design with male NPT threads on both ends for quick and secure connections in standard 1 1/4" Schedule 40 piping systems.

Professional Applications & Engineering Value

This 1 1/4" Schedule 40 stainless steel threaded pipe nipple is engineered to address critical challenges in industrial fluid and gas handling systems. The 316/316L stainless steel material provides excellent resistance to corrosion, pitting, and oxidation, making it ideal for harsh applications involving steam, oil, and natural gas. The pre-applied PTFE thread sealant ensures a reliable, leak-free seal from the first installation, reducing maintenance downtime and preventing costly fluid loss. Its welded construction and NPT threading offer superior mechanical strength and vibration resistance, which is crucial for high-pressure systems in chemical processing, power generation, and oil & gas industries. By integrating this component, engineers can enhance system integrity, minimize leakage risks, and ensure long-term operational reliability in demanding environments.

Specification Summary & Compliance

This pipe nipple conforms to ASME B1.20.1 for NPT thread dimensions and ASTM A733 for welded and seamless carbon and alloy steel pipe specifications, ensuring precise threading and material consistency. It is designed for use with Class 150 fittings and flanges, with a pipe size of 1 1/4", Schedule 40, and an 8" length. The product is RoHS 3 (2015/863/EU) Compliant, adhering to environmental regulations for hazardous substance restrictions.