S-44615K128 3.068" ID x 3 1/2" OD x 12" Long ASME B1.20.1, ASTM A53, ASTM A733 Standard-Wall Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Corrosion-resistant black coating extends service life in demanding industrial environments with exposure to moisture and chemicals
• Welded steel construction ensures superior structural integrity and leak-proof performance under high-pressure conditions
• NPT threading on both ends provides secure, standardized connections that prevent loosening in vibrating systems
• Schedule 40 wall thickness delivers optimal balance between pressure containment and flow efficiency
• Multi-medium compatibility handles air, natural gas, oil, steam, and water applications with consistent reliability
• Precision-machined threads guarantee perfect fit with Class 125 and 150 iron/steel fittings, reducing installation time
• Standardized dimensions ensure interchangeability and easy replacement in existing piping systems

Professional Applications & Engineering Value

Engineered for industrial piping systems requiring robust performance, this black-coated steel threaded pipe nipple solves critical connection challenges in chemical processing, power generation, and fluid transport applications. The welded construction combined with NPT threading creates permanent, pressure-tight seals that withstand thermal cycling and mechanical stress. Its corrosion-resistant coating specifically addresses degradation concerns in environments with steam condensation and hydrocarbon exposure, while maintaining full compatibility with iron and steel flanges across pressure classes 125 and 150. The standardized 3" Schedule 40 profile ensures seamless integration into both new installations and maintenance scenarios, providing engineers with a reliable component that reduces system downtime and maintenance costs.

Specification Summary & Compliance

This 12" length pipe nipple features precision NPT threads manufactured to ASME B1.20.1 dimensional standards, ensuring proper engagement and sealing performance. The product meets ASTM A53 material specifications for welded steel pipe and ASTM A733 requirements for welded and seamless carbon steel pipe nipples. With exacting dimensional control including 3.068" ID and 3-1/2" OD, this component delivers consistent performance in industrial fluid handling systems requiring reliable, code-compliant connections.