S-7748K166 1.049" ID x 1 5/16" OD x 4" Long ASME B1.20.1, ASTM A53, ASTM A733 Standard-Wall Steel Pipe Nipples and Pipewith Right-Hand and Left-Hand Threads

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-coated steel construction, extending service life in harsh industrial environments
• Dual-threaded convenience featuring right-hand × left-hand NPT threads for simplified installation and removal in confined spaces
• Heavy-duty welded construction ensures reliable performance under high-pressure air, gas, oil, steam, and water applications
• Broad compatibility with 125/150 class iron and steel fittings, providing versatile connection solutions across multiple systems
• Precision-engineered threading meeting ASME B1.20.1 standards for leak-proof connections and optimal sealing performance
• Environmental compliance assurance with REACH and RoHS 3 certification for safe use in regulated industrial applications
• Robust Schedule 40 design delivers enhanced wall thickness (0.133") for superior structural integrity and pressure handling

Professional Applications & Engineering Value

This black-coated steel pipe nipple addresses critical industrial challenges where corrosion resistance and reliable sealing are paramount. The welded construction combined with dual NPT threads (right-hand × left-hand) enables efficient installation in complex piping configurations, particularly where rotational access is limited. Engineered for demanding media including air, natural gas, oil, steam, and water, the nipple's Schedule 40 wall thickness and ASTM A53/A733 compliance ensure consistent performance in high-pressure industrial systems. The unique threading configuration eliminates the need for additional adapters in bidirectional applications, reducing potential leak points while maintaining 125/150 class fitting compatibility across iron and steel flange systems.

Specification Summary & Compliance

This 1" Schedule 40 steel pipe nipple features precision NPT threads manufactured to ASME B1.20.1 standards with dimensional specifications including 4" length, 1.049" ID, and 1 5/16" OD. The product meets ASTM A53 and ASTM A733 material and manufacturing requirements, ensuring consistent quality and performance. Compliance with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations confirms environmental safety and restricted substance adherence for industrial applications worldwide.