S-4187N111 1.38" ID x 1 21/32" OD x 1 5/8" Long ASTM A733, 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 for extended service life in demanding environments
• Reliable pressure handling with Schedule 40 wall thickness (0.154") maintaining integrity with air, natural gas, oil, steam, and water
• Precise BSPT threading on both ends ensures leak-tight connections and easy installation in industrial piping systems
• Full compliance with ASTM A733 and ISO 7.1 standards guarantees dimensional accuracy and consistent performance
• Welded construction provides enhanced structural strength for long-term reliability in high-vibration applications
• RoHS 3 compliance meets environmental regulations while maintaining material purity for sensitive applications
• Versatile compatibility with Class 150 flanges and various fitting materials for flexible system integration

Professional Applications & Engineering Value

This 304/304L stainless steel threaded pipe nipple delivers exceptional engineering value through its welded construction and BSPT threading, specifically designed to address common industrial challenges. The Schedule 40 wall thickness provides optimal pressure containment for demanding applications involving air, natural gas, oil, steam, and water systems. Its corrosion-resistant properties prevent degradation in harsh environments, while the precise male threaded connections on both ends ensure secure, leak-free joints that withstand thermal cycling and mechanical stress. The combination of ASTM A733 certification and ISO 7.1 compliance guarantees dimensional accuracy and threading integrity, reducing installation time and maintenance requirements across industrial plants, processing facilities, and mechanical systems where reliability is paramount.

Specification Summary & Compliance

This 1 1/4" Schedule 40 threaded pipe nipple features precise BSPT threading conforming to ISO 7.1 standards with dimensional specifications including 1.38" ID and 1 21/32" OD. Manufactured according to ASTM A733 specifications for welded and seamless pipe, it maintains Class 150 compatibility with 304/304L stainless steel flanges and fittings. The product is RoHS 3 (2015/863/EU) compliant, ensuring environmental regulatory adherence while delivering reliable performance across industrial fluid and gas handling applications.