S-4550K241 1.278" ID x 1 21/32" OD x 1 5/8" 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, extending service life in harsh industrial environments.
• Reliable high-pressure performance with Schedule 80 thick-wall design, ensuring safety with air, natural gas, oil, steam, and water systems.
• Leak-proof connections guaranteed by fully threaded NPT ends that create secure seals in iron and steel fittings.
• Enhanced durability from welded construction, providing robust performance for Class 300 and 600 flange applications.
• Broad compatibility with standard 1 1/4" pipe systems, simplifying installation and reducing inventory complexity.
• Guaranteed dimensional accuracy through compliance with ASME B1.20.1 threading standards, preventing cross-threading and installation errors.
• Long-term reliability backed by ASTM A53 and ASTM A733 material certifications, ensuring consistent performance under demanding conditions.

Professional Applications & Engineering Value

This black-coated steel threaded pipe nipple delivers critical engineering solutions for industrial fluid handling systems. The Schedule 80 thick-wall construction provides exceptional pressure containment capabilities, making it ideal for high-pressure applications with air, natural gas, oil, steam, and water. The fully threaded NPT design ensures secure connections in iron and steel fittings, eliminating leakage points in critical piping networks. Engineered for Class 300 and 600 flange systems, this nipple maintains integrity under thermal cycling and mechanical stress. The welded construction enhances structural strength, while the protective coating resists corrosion in demanding environments, reducing maintenance frequency and downtime in industrial facilities.

Specification Summary & Compliance

This 1 1/4" NPT Schedule 80 threaded pipe nipple features precise ASME B1.20.1 threading standards with Class 2A tolerance for reliable engagement. Manufactured from black-coated steel with dimensions of 1 5/8" length, 1.278" ID, and 1 21/32" OD, it maintains 0.191" wall thickness for pressure integrity. The product complies with ASTM A53 material specifications and ASTM A733 manufacturing standards, ensuring consistent quality and performance for industrial piping systems requiring certified components.