S-4139K367 3.068" ID x 3 1/2" OD x 6" Long FM Approved, UL Listed Standard-Wall Grooved-End Steel Pipe Nipples and Pipe
Standard-Wall Grooved-End Steel Pipe Nipples and Pipe
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Basic Information
Connection Parameters
Dimension Parameters
Installation Parameters
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Key Features & Benefits at a Glance
- Enhanced corrosion resistance with black-coated steel construction for extended service life in demanding industrial environments
- Reliable welded construction ensures leak-proof performance and structural integrity under pressure fluctuations
- Dual connection versatility with grooved end × NPT male threading enables seamless integration into both mechanical and threaded piping systems
- Precision Schedule 40 dimensions (3.068" ID, 3½" OD) guarantee perfect fit and optimal airflow in pneumatic applications
- Third-party certified safety through FM Approval and UL Listing validates performance for insurance-compliant installations
- Environmental regulation compliance with RoHS 3 and REACH standards eliminates hazardous substance concerns
- Optimized 6" length provides sufficient clearance for tool access during installation and maintenance
Professional Applications & Engineering Value
This black-coated steel pipe adapter solves critical connectivity challenges in industrial pneumatic systems where corrosion resistance and pressure integrity are paramount. The welded construction prevents joint failure under cyclic loading, while the grooved end × NPT male hybrid design bridges modern grooved piping with traditional threaded components without requiring additional adapters. Its Schedule 40 wall thickness (0.216") maintains structural stability in high-volume air transfer applications, and the black coating provides an additional barrier against moisture and chemical exposure. Engineered for FM Approved and UL Listed installations, this adapter reduces downtime by meeting stringent industrial safety protocols for air handling systems.
Specification Summary & Compliance
Manufactured to precise dimensional standards with 3.068" ID and 3½" OD for Schedule 40 piping systems. Threading conforms to NPT standards for leak-tight connections. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Certification includes FM Approval and UL Listing for industrial safety compliance. Construction features welded joints and straight configuration with threading on one end only.
