S-1455N197 1.38" ID x 1 21/32" 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

• Factory-applied PTFE thread sealant ensures immediate, reliable leak-proof connections without additional sealing compounds, saving installation time and reducing maintenance.
• Dual-certified 304/304L stainless steel construction offers excellent corrosion resistance and weldability, ideal for harsh environments involving moisture, chemicals, and temperature variations.
• NPT threading on both ends provides secure, standardized connections compatible with a wide range of industrial piping systems, minimizing fitting mismatch risks.
• Schedule 40 standard wall thickness delivers optimal strength and pressure handling for demanding applications with air, natural gas, oil, steam, and water.
• Welded construction enhances structural integrity and durability, ensuring long service life under continuous operational stress.
• Compliance with ASME B1.20.1 and ASTM A733 guarantees dimensional accuracy, thread quality, and material consistency for reliable performance in regulated industries.
• RoHS 3 compliance assures environmental safety and meets international regulatory requirements for hazardous substance restrictions.

Professional Applications & Engineering Value

This 1 1/4" Schedule 40 threaded pipe nipple is engineered to address common industrial challenges such as fluid leakage, corrosion-induced failures, and installation inefficiencies. The 304/304L stainless steel material provides superior resistance to oxidation and chemical attack, making it suitable for aggressive media including steam, oil, and natural gas. The pre-applied PTFE thread sealant eliminates the need for on-site tape or paste, ensuring a tight seal that withstands thermal cycling and pressure fluctuations. With NPT threads on both ends and adherence to ASME B1.20.1 standards, it offers precise, interchangeable connections for pipelines in petrochemical, HVAC, and water treatment systems, reducing downtime and enhancing system reliability.

Specification Summary & Compliance

This nipple features NPT thread type per ASME B1.20.1 with standard Class 2A tolerances for consistent fit. It meets ASTM A733 for welded and seamless carbon and alloy steel pipe dimensions and material properties. The product is RoHS 3 (2015/863/EU) Compliant, ensuring it is free from restricted hazardous substances. Key dimensions include a 1.38" ID, 1 21/32" OD, and 0.14" wall thickness, supporting 150-class fittings and flanges in 304/304L stainless steel for reliable integration into industrial piping networks.