S-4187N118 1.38" ID x 1 21/32" OD x 1 5/8" Long ASTM A733, ASME B1.20.1, ISO 7.1 Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance with 304/304L stainless steel construction, ensuring long-term reliability in harsh environments involving air, natural gas, oil, steam, and water.
• Dual-thread compatibility with BSPT × NPT ends, providing versatile connection options for international and North American piping systems without adapters.
• Robust welded construction enhances structural integrity, reducing the risk of leaks and failures under continuous industrial pressure and vibration.
• Precision threading meeting ASME B1.20.1 and ISO 7.1 standards, ensuring secure, leak-free fittings and easy installation in Class 150 applications.
• Heavy-duty Schedule 40 design with optimal wall thickness (0.14"), delivering high pressure tolerance and durability for demanding fluid and gas transfer.
• Compliance with ASTM A733 and RoHS 3, guaranteeing material quality and environmental safety for regulated industrial and commercial projects.
• Standardized 1 1/4-inch pipe size with straight shape, facilitating seamless integration into existing pipelines and reducing maintenance downtime.

Professional Applications & Engineering Value

This 304/304L stainless steel threaded pipe nipple is engineered to address critical challenges in industrial fluid and gas handling, such as corrosion-induced failures and cross-standard compatibility issues. The welded construction and BSPT × NPT threading provide a reliable seal in high-pressure systems for air, natural gas, oil, steam, and water, minimizing leakage risks in Class 150 fittings. By adhering to ASTM A733, ASME B1.20.1, and ISO 7.1 specifications, it ensures dimensional accuracy and thread integrity, reducing installation errors and enhancing system longevity in industrial pipe applications. Its RoHS 3 compliance further supports sustainable operations, making it ideal for heavy-duty connectors in chemical, petrochemical, and HVAC industries where durability and regulatory adherence are paramount.

Specification Summary & Compliance

This product features precise threading standards including ASME B1.20.1 for NPT and ISO 7.1 for BSPT, ensuring accurate fit and performance in Class 150 applications. Manufactured in compliance with ASTM A733 for welded and seamless pipe, it guarantees material consistency and strength. The nipple is RoHS 3 (2015/863/EU) Compliant, meeting environmental regulations for hazardous substance restrictions, and is designed for use with air, natural gas, oil, steam, and water in industrial settings.