S-4548K125 4.026" ID x 4 1/2" OD x 2 7/8" Long ASTM A733, ASME B1.20.1 Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316/316L stainless steel construction, ensuring long-term reliability in harsh chemical and marine environments.
• Robust welded design provides enhanced structural integrity and leak-proof performance under high-pressure conditions.
• Full NPT threading ensures a secure, tight seal with compatible fittings, reducing installation time and preventing fluid/gas leakage.
• Wide media compatibility for safe use with air, natural gas, oil, steam, and water, offering versatile application across industries.
• Precision dimensional compliance with ASTM A733 and ASME B1.20.1 standards, guaranteeing consistent fit and interchangeability.
• Heavy-duty Schedule 40 wall thickness (0.237") delivers excellent durability and pressure resistance for demanding industrial systems.
• Environmental and regulatory safety with RoHS 3 compliance, meeting strict EU directives for hazardous substance restrictions.

Professional Applications & Engineering Value

This 4" Schedule 40 threaded pipe nipple is engineered to address critical challenges in industrial fluid and gas handling systems. Constructed from 316/316L stainless steel, it offers exceptional resistance to pitting and crevice corrosion, making it ideal for aggressive media like oil, steam, and chemical processing lines. The fully threaded NPT design and welded construction ensure a reliable, leak-free connection that withstands vibration and thermal cycling, reducing maintenance downtime. Commonly used in petrochemical, water treatment, and HVAC applications, this nipple provides a durable, corrosion-resistant solution for Class 150 piping systems, enhancing system longevity and safety while complying with ASTM A733 and ASME B1.20.1 specifications.

Specification Summary & Compliance

This pipe nipple features precise dimensions: 4" pipe size, 4.026" ID, 4.5" OD, and 2-7/8" length, with NPT thread type conforming to ASME B1.20.1 for reliable sealing. Manufactured in accordance with ASTM A733 for welded and seamless pipe, it ensures consistent quality and performance. The product is RoHS 3 (2015/863/EU) Compliant, adhering to environmental regulations, and is suitable for use with 316/316L stainless steel fittings and flanges in Class 150 service, providing assurance of material and manufacturing integrity.