S-4187N122 1.38" ID x 1 21/32" OD x 6" Long ASTM A733, ASME B1.20.1, ISO 7.1 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-term reliability in harsh environments with air, natural gas, oil, steam, and water.
• Dual-thread compatibility featuring BSPT × NPT connections, providing versatile integration with international and North American piping systems without adapters.
• High-pressure endurance designed for Class 150 applications, maintaining structural integrity under demanding industrial fluid and gas services.
• Precision threading manufactured to ASME B1.20.1 and ISO 7.1 standards, guaranteeing leak-proof seals and easy installation.
• Robust welded construction enhances durability and fatigue resistance, reducing failure risks in high-vibration or thermal cycling applications.
• Regulatory compliance including RoHS 3 (2015/863/EU), ensuring environmental safety and suitability for regulated industries.
• Optimal flow characteristics with Schedule 40 dimensions (1.38" ID, 1 21/32" OD), balancing strength and efficient media transfer.

Professional Applications & Engineering Value

This 1 1/4" Schedule 40 stainless steel threaded pipe nipple addresses critical challenges in industrial fluid and gas systems by combining 304/304L stainless steel corrosion resistance with welded construction for enhanced stress tolerance. Its BSPT × NPT threaded ends eliminate compatibility issues in multinational plants, while adherence to ASTM A733, ASME B1.20.1, and ISO 7.1 ensures dimensional accuracy and pressure-rated performance. Ideal for air, natural gas, oil, steam, and water applications, it prevents galvanic corrosion and thread galling, reducing maintenance downtime in chemical processing, power generation, and HVAC systems. The 6-inch length and straight design facilitate compact installations where space constraints exist, delivering reliable connectivity in Class 150 piping networks.

Specification Summary & Compliance

This threaded pipe nipple meets precise Class 2A/ISO tolerance standards for threading, with dimensions: 1 1/4" pipe size, 1.38" ID, 1 21/32" OD, and 0.14" wall thickness. It conforms to ASTM A733 for welded and seamless pipe, ASME B1.20.1 for NPT threads, and ISO 7.1 for BSPT threads, ensuring interchangeability and pressure integrity. RoHS 3 (2015/863/EU) compliance confirms adherence to hazardous substance restrictions, supporting sustainable industrial operations.