S-4548K338 1.61" ID x 1 29/32" OD x 5 1/2" 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 for extended service life in harsh environments, thanks to 316/316L stainless steel construction that withstands moisture, chemicals, and temperature variations.
• Reliable high-pressure sealing with NPT threads on both ends, ensuring leak-tight connections for air, natural gas, oil, steam, and water systems up to Class 150.
• Robust welded construction enhances structural integrity and durability, reducing the risk of failure under continuous operational stress.
• Precise dimensional compatibility with Schedule 40 piping systems, featuring a 1.61" ID and 1 29/32" OD for seamless integration and easy installation.
• Compliance with industry standards including ASTM A733 and ASME B1.20.1, guaranteeing consistent quality, thread accuracy, and performance reliability.
• Environmental and safety adherence with RoHS 3 compliance, ensuring the product is free from hazardous substances for safer industrial use.
• Versatile straight design with male threaded connections simplifies assembly in various configurations, saving time and labor in maintenance and new installations.

Professional Applications & Engineering Value

This 1 1/2" NPT threaded pipe nipple is engineered from 316/316L stainless steel to address common industrial challenges like corrosion, high-pressure leaks, and system downtime. Its welded construction and NPT threading provide a secure, long-lasting seal in demanding applications involving air, natural gas, oil, steam, and water. The Schedule 40 wall thickness and straight pipe shape ensure optimal flow and pressure handling, reducing the need for frequent replacements. Ideal for industrial pipe fittings in chemical plants, oil refineries, and HVAC systems, it minimizes maintenance costs and enhances operational efficiency by resisting pitting and crevice corrosion in aggressive media.

Specification Summary & Compliance

This pipe nipple adheres to ASTM A733 for material and manufacturing standards and ASME B1.20.1 for precise NPT thread dimensions, ensuring Class 2A fit and interchangeability. It meets RoHS 3 (2015/863/EU) compliance, confirming it is free from restricted hazardous substances. Specifications include a pipe size of 1 1/2", Schedule 40, with an ID of 1.61", OD of 1 29/32", and wall thickness of 0.145", designed for reliable performance in Class 150 flange and fitting systems.