S-4475K137 1.278" ID x 1 21/32" OD x 3 1/2" 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 with 316/316L stainless steel construction for extended service life in harsh chemical and marine environments
• High-pressure capability with Schedule 80 thick-wall design (0.191" wall thickness) suitable for 3000 class fittings and flange classes 300/600
• Leak-resistant connections through precision NPT threads on both ends that create secure seals in pressurized systems
• Versatile media compatibility for handling air, hydraulic fluid, natural gas, oil, steam, and water applications
• Seamless reliability eliminating potential weak points and ensuring consistent performance under cyclic loading
• Regulatory compliance meeting both ASME B1.20.1 and ASTM A733 specifications for guaranteed dimensional accuracy
• Environmental responsibility with RoHS 3 compliance for use in regulated industries and sustainable operations

Professional Applications & Engineering Value

This heavy-duty Schedule 80 stainless steel threaded pipe nipple delivers exceptional engineering value through its seamless 316/316L stainless steel construction, specifically engineered to withstand aggressive media including hydraulic fluids, steam, and natural gas. The thick-wall design (0.191" wall thickness) provides crucial burst pressure resistance in high-pressure industrial systems, while the precision NPT threads on both ends ensure leak-free connections that maintain integrity under thermal cycling and vibration. Ideal for chemical processing, oil and gas applications, and power generation systems, this threaded pipe nipple solves critical piping challenges by combining corrosion resistance with mechanical strength, reducing maintenance frequency and preventing costly system failures in demanding 3000 class fitting environments.

Specification Summary & Compliance

This 1 1/4" Schedule 80 threaded pipe nipple features NPT threads conforming to ASME B1.20.1 standards with Class 2A thread tolerances for reliable engagement. Manufactured from seamless 316/316L stainless steel per ASTM A733 specifications, it maintains precise dimensional control with 1.278" ID and 1 21/32" OD. The component is fully RoHS 3 (2015/863/EU) compliant and engineered for compatibility with 3000 class fittings and flange classes 300/600, ensuring regulatory adherence across industrial applications.