S-1455N208 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 sealing with factory-applied PTFE thread sealant, eliminating the need for additional sealants and reducing installation time
• Superior corrosion resistance from 304/304L stainless steel construction, ensuring long-term durability in harsh industrial environments
• Precision NPT threading on both ends for secure, standardized connections that prevent fluid or gas leakage in high-pressure systems
• Versatile media compatibility with air, natural gas, oil, steam, and water, making it ideal for multi-application industrial setups
• Robust welded construction enhances structural integrity and withstands vibration and thermal cycling in demanding operations
• Compliance with ASME B1.20.1 and ASTM A733 standards guarantees dimensional accuracy and reliable performance in Class 150 fittings
• RoHS 3 environmental compliance ensures safe use in regulated industries without hazardous substances

Professional Applications & Engineering Value

Engineered for industrial pipe systems, this Schedule 40 stainless steel threaded pipe nipple addresses critical sealing challenges in fluid and gas transfer. The 304/304L stainless steel material provides excellent resistance to oxidation and chemical corrosion, while the PTFE thread sealant pre-applied at the factory eliminates common installation errors that lead to leaks. With NPT threads on both ends, it ensures a tight seal in air compression lines, natural gas pipelines, steam systems, and oil/water applications, reducing downtime and maintenance costs. Its welded construction and adherence to ASME B1.20.1 threading standards deliver reliable performance in high-temperature and high-pressure environments, making it a trusted component for engineers prioritizing safety and efficiency.

Specification Summary & Compliance

This pipe nipple features NPT thread type conforming to ASME B1.20.1 for precise Class 2A fit, with dimensions including a 1 1/2" pipe size, 4" length, and Schedule 40 wall thickness. Manufactured under ASTM A733 specifications for welded and seamless tubing, it ensures consistent quality and strength. The product is fully RoHS 3 (2015/863/EU) compliant, meeting environmental regulations for industrial use.