S-9157K503 4.026" ID x 4 1/2" OD x 4" Long ASTM A312, 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 304/304L stainless steel construction, ensuring long-lasting performance in harsh environments with air, natural gas, oil, steam, and water.
• Reliable leak-proof connections through precision NPT threading on one end, compatible with standard threaded fittings for secure assembly.
• Enhanced durability and strength from welded construction and Schedule 40 wall thickness, capable of withstanding high-pressure industrial applications.
• Broad compatibility with Class 150 fittings and flanges, facilitating easy integration into existing piping systems without modifications.
• Strict quality assurance by meeting ASTM A312, ASTM A733, and ASME B1.20.1 standards, ensuring dimensional accuracy and performance reliability.
• Environmental and safety compliance with RoHS 3 regulations, making it suitable for use in regulated industries without hazardous substances.
• Versatile socket connect design allowing for straightforward butt weld or socket connections, reducing installation time and labor costs.

Professional Applications & Engineering Value

This 4" Schedule 40 stainless steel threaded pipe nipple is engineered to address critical challenges in industrial fluid and gas handling systems. Constructed from 304/304L stainless steel, it offers excellent resistance to corrosion and oxidation, making it ideal for demanding environments involving steam, oil, natural gas, air, and water. The NPT threaded end ensures a tight, secure seal that minimizes leakage risks in high-pressure applications, while the welded design enhances structural integrity for long-term use. By complying with ASTM A312 and ASME B1.20.1 standards, this adapter provides consistent performance in sectors like chemical processing, power generation, and oil and gas, where reliability and compliance are paramount. Its socket connect and butt weld options further streamline installation, reducing downtime and maintenance costs for B2B operators.

Specification Summary & Compliance

This product adheres to precise dimensional tolerances as per ASME B1.20.1 for NPT threads, with a pipe size of 4", ID of 4.026", OD of 4 1/2", and wall thickness of 0.237". It meets ASTM A312 and ASTM A733 specifications for material and construction, ensuring high-quality welded performance. Additionally, it is RoHS 3 (2015/863/EU) compliant, confirming the absence of restricted hazardous substances, and is suitable for use with Class 150 fittings and Schedule 40 piping systems.