S-9157K46 1.38" ID x 1 21/32" OD x 3" 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, ideal for harsh environments involving air, natural gas, oil, steam, and water.
• Reliable pressure handling with Schedule 40 wall thickness and Class 150 rating, ensuring safe performance in demanding industrial systems.
• Precise, leak-free connections thanks to NPT threading conforming to ASME B1.20.1, reducing installation errors and maintenance downtime.
• Versatile dual-end design featuring threaded and butt weld/socket connect options for flexible integration into various piping configurations.
• Long-term durability from welded construction and compliance with ASTM A312/A733, providing consistent service life under thermal and mechanical stress.
• Environmental and safety compliance with RoHS 3 standards, ensuring safe use in regulated industries without hazardous substances.
• Optimized flow efficiency with a straight shape and precise ID/OD dimensions, minimizing pressure drops in fluid and gas transfer applications.

Professional Applications & Engineering Value

This 1 1/4" Schedule 40 NPT threaded pipe nipple in 304 stainless steel is engineered to address common industrial challenges such as corrosion, high-pressure leaks, and system compatibility. Its welded construction and ASTM A312 compliance ensure structural integrity in applications involving air, natural gas, oil, steam, and water, where temperature fluctuations and aggressive media can degrade inferior materials. The NPT thread type and socket connect options facilitate secure, sealed joints, reducing the risk of failure in industrial pipe adapter setups. By combining RoHS 3 compliance with robust 304/304L stainless steel, this nipple delivers long-lasting performance in chemical plants, HVAC systems, and oil and gas pipelines, minimizing replacement costs and downtime.

Specification Summary & Compliance

This product adheres to ASTM A312 and ASTM A733 for material and manufacturing quality, with threading conforming to ASME B1.20.1 (NPT) for precise Class 2A fit. It meets RoHS 3 (2015/863/EU) requirements, ensuring environmental safety, and is designed for Schedule 40 and Class 150 applications. Dimensions include a 1 1/4" pipe size, 3" length, and 0.14" wall thickness, supporting reliable performance in standard-wall stainless steel threaded pipe systems.