S-4550K917 1.278" ID x 1 21/32" OD x 11" Long ASME B1.20.1, ASTM A53, ASTM A733 Thick-Wall Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-coated steel construction for extended service life in harsh environments
• Heavy-duty welded construction ensures maximum structural integrity under high-pressure conditions
• Universal compatibility with air, natural gas, oil, steam, and water systems for versatile industrial applications
• High-pressure rated design compatible with Class 300 and 600 flanges for demanding operational requirements
• Precision NPT threading on both ends provides leak-proof connections and easy installation
• Thick Schedule 80 wall thickness (0.191") delivers exceptional durability and pressure containment
• Industry-standard compliance guarantees consistent performance and interchangeability across systems

Professional Applications & Engineering Value

This heavy-duty steel threaded pipe nipple addresses critical challenges in industrial fluid handling systems where reliability is paramount. The black-coated steel construction provides essential corrosion protection against moisture, chemicals, and environmental exposure, significantly extending service life in demanding applications. Engineered with Schedule 80 thick-wall design and welded construction, it maintains structural integrity under high-pressure conditions common in oil, gas, and steam systems. The precision NPT threaded connections on both ends ensure leak-proof performance while facilitating quick installation and maintenance. Compatible with Class 300 and 600 flanges, this nipple serves as a reliable connector in critical piping networks where failure is not an option, making it ideal for industrial plants, processing facilities, and utility infrastructure.

Specification Summary & Compliance

This 1 1/4" Schedule 80 pipe nipple features NPT thread specifications meeting ASME B1.20.1 standards for dimensional accuracy and thread form. Manufactured in compliance with ASTM A53 and ASTM A733 material specifications, ensuring consistent quality and performance. The product maintains precise dimensions with 1.278" ID and 1 21/32" OD with 0.191" wall thickness, providing reliable pressure containment and flow characteristics. Suitable for use with iron and steel fittings in Class 300 applications and steel flanges in Class 300/600 systems.