Eaton Crouse-Hinds UNY506 union - Group B rated
Part Number: UNY506
Quick Summary
Eaton Crouse-Hinds UNY506 union provides rugged conduit connections for hazardous locations in industrial facilities. Maintenance teams often struggle with reliable sealing and regulatory compliance when fittings fail in explosive environments. This union carries UL certification and NEC/CEC compliance, along with hazardous area ratings (Class I Division 1 and 2; Class II Division 1 and 2; Class III), giving engineers confidence in safe installations. Built from steel with a 1-1/2 in trade size, it combines durability with straightforward assembly—reducing downtime and field rework. For projects requiring explosionproof conduit fittings in rigid/IMC systems, UNY506 delivers performance, safety, and cost efficiency, while supporting ongoing operations and maintenance programs through predictable, code-compliant connections.
Product Information
Extended Description
UNY506 Eaton Crouse-Hinds: Eaton Crouse-Hinds series UNY union, Rigid/IMC, Male, Steel, Group B rated, 1-1/2"
Product Name
Eaton Crouse-Hinds series UNY union
Catalog Number
UNY506
UPC
782274648347
Product Length/Depth
4.22 in
Product Height
3.06 in
Product Width
3.06 in
Product Weight
2.73 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 1 Class I, Division 2 Class II, Division 1 Class II, Division 2 Class III
Conduit type
Rigid/IMC
Gender
Male
Material
Steel
Trade size
1-1/2"
Special features
Group B rated
Crouse-Hinds series Explosionproof Conduit Unions, Elbows and Tees catalog page
Explosionproof Conduit Unions, Elbows and Tees UL certification
Explosionproof Conduit Unions, Elbows and Tees UL certification
Eaton Specification Sheet - UNY506
Conduit compatibility with rigid/IMC systems provides a tight, torque-resilient connection that resists loosening in harsh environments. This reduces field rework and downtime, translating to lower maintenance costs and safer operation. Application: suitable for 1-1/2 inch trade-size runs in hazardous locations across chemical processing, refining, and power distribution installations. The male steel union with Group B rating delivers robust assemblies that maintain integrity under vibration and temperature swings, improving long-term reliability and reducing tightening torque concerns in explosionproof fittings. Application: ideal for upstream and downstream processing facilities where equipment must withstand demanding conditions. Dimensions and material—steel construction, 1-1/2 inch trade size, 4.22 in depth, 3.06 in height, 3.06 in width, 2.73 lb weight—support straightforward inventory and fast field replacements. Application: supports standardization with other UNY series fittings in rigid/IMC systems. NEC/CEC compliance and UL certification remove regulatory guessing, enabling faster audits and fewer compliance questions on site. Application: critical in refinery, chemical plant, and mining environments. Overall, the UNY506 delivers installation efficiency, strong protection against environmental ingress, and predictable performance in hazardous locations, aligning with maintenance strategies and safety programs.
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FAQs
UNY506 is designed specifically for rigid/IMC conduits with a 1-1/2 inch trade size, providing a secure, torque-resilient connection. This compatibility reduces the risk of loosening under vibration and simplifies field assembly, which minimizes downtime and rework on hazardous-area installations.
UNY506 carries UL certification and NEC/CEC compliance for hazardous locations, along with area classifications for Class I, II, and III environments. These certifications help ensure regulatory acceptance, simplify audits, and support safe operation in explosionproof conduit systems.
Yes. UNY506 is rated for Class I Division 1 and Division 2, as well as Class II and Class III locations, aligning with NEC hazardous ratings. This makes it appropriate for the most stringent hazardous-area installations while maintaining mechanical integrity and safety.
UNY506 has a 1-1/2 inch trade size, steel construction, and dimensions of 4.22 inches in depth, 3.06 inches in height, and 3.06 inches in width, with an approximate weight of 2.73 lb. It also carries the UPC 782274648347 for easy procurement.
Using UNY506 delivers measurable value through reduced downtime, fewer field rework events, and improved regulatory compliance in hazardous locations. Its durable steel construction, Group B rating, and NEC/CEC alignment help streamline audits, simplify inventory management, and lower total cost of ownership over the conduit network.