S-1443N208 1.61" ID x 1 29/32" 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

• Immediate leak-proof installation with factory-applied PTFE thread sealant, eliminating the need for additional sealing compounds and reducing assembly time.
• Superior corrosion resistance in harsh environments thanks to 316/316L stainless steel construction, ideal for chemical, marine, and outdoor applications.
• Robust welded construction ensures structural integrity and durability under high-pressure conditions with air, gas, oil, steam, and water.
• Precise NPT threading on both ends provides a secure, standardized fit with compatible fittings, minimizing the risk of cross-threading or leaks.
• Heavy-duty Schedule 40 design offers enhanced wall thickness (0.145") for increased strength and longevity in demanding industrial systems.
• Compliance with ASME B1.20.1 and ASTM A733 standards guarantees dimensional accuracy, performance reliability, and interchangeability.
• RoHS 3 compliance ensures environmental safety and suitability for regulated industries, supporting sustainable procurement practices.

Professional Applications & Engineering Value

This 1 1/2" NPT threaded pipe nipple is engineered to address common industrial challenges such as fluid leakage, corrosion-induced failures, and installation inefficiencies. The 316/316L stainless steel material provides exceptional resistance to pitting and crevice corrosion, making it ideal for aggressive media like steam, oil, and natural gas. The integrated PTFE thread sealant ensures a reliable seal from the first use, reducing downtime and maintenance costs in high-pressure piping systems. Its welded construction and Schedule 40 profile deliver consistent performance in HVAC, chemical processing, and oil and gas applications, where durability and leak-proof connections are critical for operational safety and efficiency.

Specification Summary & Compliance

This nipple features NPT threads conforming to ASME B1.20.1 for precise fit and ASTM A733 for material and welding quality. Dimensions include a 1.61" ID, 1 29/32" OD, and 4" length with a 0.145" wall thickness, ensuring compatibility with Class 150 fittings and flanges. It is RoHS 3 (2015/863/EU) compliant, meeting environmental regulations for hazardous substance restrictions.