S-1443N138 0.364" ID x 35/64" OD x 4" Long ASME B1.20.1, ASTM A733 Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe with Sealant

Key Features & Benefits at a Glance

• Leak-proof performance with factory-applied PTFE thread sealant that eliminates the need for additional sealing compounds and ensures reliable connections
• Superior corrosion resistance from 316/316L stainless steel construction, ideal for harsh environments involving chemicals, moisture, and temperature variations
• Enhanced durability and pressure handling with seamless design and Schedule 40 wall thickness, reducing risk of failure under high-pressure conditions
• Broad media compatibility for safe use with air, natural gas, oil, steam, and water, providing versatile application across multiple industries
• Precision threading conforming to NPT standards (ASME B1.20.1) for secure, tight fits and easy installation in Class 150 systems
• Time and cost efficiency due to pre-applied sealant and standardized dimensions, minimizing assembly time and potential downtime
• Environmental and regulatory compliance meeting RoHS 3 standards, ensuring safety and suitability for regulated industrial applications

Professional Applications & Engineering Value

This 1/4" NPT threaded pipe nipple with PTFE thread sealant is engineered to address common industrial challenges such as fluid leakage, corrosion-induced failures, and installation inefficiencies. The seamless construction from 316/316L stainless steel provides exceptional structural integrity, resisting pitting and cracking in aggressive environments like chemical processing, oil and gas pipelines, and steam systems. By integrating a factory-applied sealant, it ensures immediate leak-proof performance without relying on manual application, reducing human error and maintenance needs. Its compliance with ASME B1.20.1 and ASTM A733 standards guarantees dimensional accuracy and reliability, making it a trusted component for air, natural gas, oil, steam, and water applications in HVAC, manufacturing, and energy sectors.

Specification Summary & Compliance

This product adheres to NPT thread standards per ASME B1.20.1, ensuring precise threading for secure connections in Class 150 fittings. It meets ASTM A733 specifications for welded and seamless carbon and austenitic stainless steel pipe nipples, confirming material quality and manufacturing consistency. The seamless construction and Schedule 40 dimensions (1/4" pipe size, 4" length, 0.088" wall thickness) provide reliable performance in pressure applications. Additionally, it is RoHS 3 (2015/863/EU) compliant, supporting environmental safety and regulatory requirements in industrial supply chains.