S-4549K631 1.38" ID x 1 21/32" OD x 1 5/8" Long ASME B1.20.1, ASTM A53, ASTM A733 Standard-Wall Galvanized Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance with galvanized steel construction, extending service life in harsh environments.
• Robust welded design ensures structural integrity and leak-free performance under high-pressure conditions.
• Versatile multi-medium compatibility for safe and reliable use with air, natural gas, oil, steam, and water.
• Precision NPT male threading provides a secure, tight seal with Class 125 and 150 fittings, minimizing installation errors.
• Full threading along the 1 5/8" length allows for adjustable connection depth and flexible positioning in piping systems.
• Heavy-duty Schedule 40 wall thickness (0.14") offers excellent durability and resistance to mechanical stress.
• Guaranteed dimensional accuracy and material quality through compliance with ASME, ASTM A53, and ASTM A733 standards.

Professional Applications & Engineering Value

This galvanized steel threaded pipe nipple is engineered to address common industrial piping challenges, including corrosion, high pressure, and thermal cycling. The galvanized coating provides a protective barrier against rust and chemical degradation, making it ideal for air, natural gas, oil, steam, and water systems in plants, refineries, and HVAC applications. Its fully threaded NPT male design ensures a uniform, secure connection that withstands vibration and pressure fluctuations, reducing maintenance downtime. The welded construction and standard Schedule 40 dimensions guarantee compatibility with galvanized iron and steel fittings, facilitating quick installation and long-term reliability in demanding environments.

Specification Summary & Compliance

This product features a 1 1/4" NPT thread with standard Class 2A tolerances as per ASME B1.20.1. It is manufactured from galvanized steel with dimensions: Length 1 5/8", ID 1.38", OD 1 21/32", and Wall Thickness 0.14". Compliant with ASTM A53 (specifying material properties) and ASTM A733 (covering welded and seamless tubing), it meets industry standards for mechanical strength and safety in Class 125 and 150 applications. The product adheres to RoHS and REACH environmental directives, ensuring safe use across global industrial sectors.