S-1443N209 1.61" ID x 1 29/32" OD x 5" 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 installation with factory-applied PTFE thread sealant, eliminating the need for additional sealing compounds and reducing assembly time.
• Superior corrosion resistance due to 316/316L stainless steel construction, ensuring long-term reliability in harsh chemical and marine environments.
• High-pressure capability with Schedule 40 wall thickness, providing robust performance in demanding industrial fluid and gas systems.
• Precision threading conforming to NPT standards (ASME B1.20.1), guaranteeing secure, tight connections and minimizing leakage risks.
• Versatile media compatibility for use with air, natural gas, oil, steam, and water, offering broad application across multiple industries.
• Durable welded construction enhances structural integrity, supporting sustained performance under vibration and thermal cycling conditions.
• Regulatory compliance with RoHS 3, ensuring environmental safety and meeting international substance restriction guidelines.

Professional Applications & Engineering Value

Engineered for demanding industrial environments, this 1 1/2" NPT threaded pipe nipple addresses critical challenges in fluid and gas handling systems. The 316/316L stainless steel material provides exceptional resistance to pitting and crevice corrosion, making it ideal for chemical processing, offshore platforms, and high-humidity applications. The integrated PTFE thread sealant ensures immediate, reliable sealing without separate tape or paste, reducing installation errors and maintenance downtime. Its Schedule 40 construction and welded design withstand high-pressure surges and thermal expansion in steam, oil, and natural gas lines, while the standardized NPT threads facilitate seamless integration with compatible fittings. This combination of material durability and pre-applied sealing technology delivers long-term leak prevention and operational efficiency in HVAC, plumbing, and industrial piping systems.

Specification Summary & Compliance

This 5-inch male-to-male threaded pipe nipple features NPT (National Pipe Taper) threads manufactured to ASME B1.20.1 dimensional standards, ensuring precise fit and interchangeability. The product complies with ASTM A733 for welded and seamless carbon and alloy steel pipe, confirming material and construction quality. With an outer diameter of 1 29/32" and wall thickness of 0.145", it maintains Schedule 40 pressure ratings. Additionally, it is RoHS 3 (2015/863/EU) Compliant, adhering to restrictions on hazardous substances for environmentally responsible procurement.