S-1443N149 0.493" ID x 43/64" OD x 3 1/2" Long ASME B1.20.1, ASTM A733 Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe with Sealant

Key Features & Benefits at a Glance

• Factory-applied PTFE thread sealant eliminates the need for additional sealing compounds, ensuring leak-proof connections and reducing installation time
• 316/316L seamless stainless steel construction provides superior corrosion resistance in harsh environments, extending service life and reducing maintenance costs
• NPT threading on both ends ensures reliable, standardized connections with compatible fittings, minimizing the risk of cross-threading and assembly errors
• Schedule 40 wall thickness delivers enhanced durability and pressure handling for demanding industrial fluid and gas applications
• Compliance with ASME B1.20.1 and ASTM A733 standards guarantees dimensional accuracy, thread integrity, and material quality for consistent performance
• Versatile media compatibility with air, natural gas, oil, steam, and water makes it suitable for multiple industrial systems, reducing inventory needs
• RoHS 3 compliance ensures environmental safety and meets regulatory requirements for hazardous substance restrictions

Professional Applications & Engineering Value

This 3/8 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 316/316L stainless steel material offers exceptional resistance to corrosive media including chemicals, steam, and natural gas, making it ideal for oil and gas pipelines, steam systems, and water treatment facilities. The seamless construction enhances structural integrity under high-pressure conditions, while the pre-applied sealant ensures immediate, reliable sealing without additional compounds. This combination reduces downtime, prevents costly leaks, and supports long-term operational reliability in demanding environments like industrial plumbing, process piping, and HVAC systems.

Specification Summary & Compliance

This pipe nipple features precise NPT threading conforming to ASME B1.20.1 for consistent fit and performance. It is manufactured from 316/316L stainless steel per ASTM A733 specifications, ensuring material quality and dimensional accuracy. The product is RoHS 3 (2015/863/EU) compliant, meeting environmental standards for hazardous substance restrictions, and is designed for use with Class 150 fittings and flanges in various industrial applications.