S-4475K77 1.278" ID x 1 21/32" OD x 6" Long ASME B1.20.1, ASTM A733 Thick-Wall Stainless Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316/316L stainless steel construction, ideal for chemical and marine applications
• Enhanced structural integrity with seamless design that eliminates weak points and prevents leaks under high-pressure conditions
• Broad media compatibility for safe handling of air, hydraulic fluids, natural gas, oil, steam, and water without degradation
• Reliable pressure handling with Schedule 80 thick-wall construction and Class 300/600 flange compatibility for demanding industrial systems
• Precision threading with NPT threads on both ends ensuring leak-tight connections and easy installation in pipe networks
• Long-term durability through compliance with ASME B1.20.1 and ASTM A733 standards for consistent performance and dimensional accuracy
• Environmental compliance with RoHS 3 (2015/863/EU) standards, making it suitable for regulated industries

Professional Applications & Engineering Value

This heavy-duty threaded pipe nipple solves critical challenges in industrial fluid handling systems where corrosion resistance and pressure integrity are paramount. The seamless 316/316L stainless steel construction prevents failure points that commonly occur in welded alternatives, while the Schedule 80 thick-wall design maintains system safety when transporting aggressive media like hydraulic fluids, steam, and natural gas. The NPT threading on both ends ensures compatibility with existing Class 3000 fittings and Class 300/600 flanges, reducing installation time and preventing costly leaks in chemical processing, oil and gas, and power generation applications. This engineering approach delivers reliable performance where temperature fluctuations and corrosive elements would compromise standard components.

Specification Summary & Compliance

This 1 1/4" NPT Schedule 80 stainless steel threaded pipe nipple features precision NPT threads conforming to ASME B1.20.1 standards for reliable sealing. Manufactured to ASTM A733 specifications with 6" length, 1.278" ID, and 0.191" wall thickness, it maintains dimensional accuracy for seamless integration. The product is RoHS 3 (2015/863/EU) compliant and engineered for use with 3000 Class fittings and 300/600 Class flanges, ensuring regulatory adherence and performance consistency across industrial applications.