Eaton Crouse-Hinds UNA36 Union - Explosionproof 1\" Trade Size Hazardous Locations
Part Number: UNA36
Quick Summary
UNA36 union is a rugged explosionproof conduit connection for rigid/IMC systems in hazardous locations. Tackling maintenance and safety challenges in hostile environments, it delivers a durable, tool-friendly connection that reduces downtime. It carries NEC/CEC compliance and hazardous-location ratings for Class I (Div 1 and 2), Class II (Div 1 and 2), and Class III, ensuring code conformity. This union simplifies field assembly and supports reliable terminations for 1\" conduits, delivering faster install times and lower total cost of ownership in industrial automation projects. Designed for quick field retrofit and compatibility with Eaton Crouse-Hinds UNA fittings, it minimizes specialty tooling and training, helping procurement teams streamline supplier programs.
Product Information
Extended Description
UNA36 Eaton Crouse-Hinds: Eaton Crouse-Hinds series UNA union, Rigid/IMC, Male, Feraloy iron alloy, 1"
Product Name
Eaton Crouse-Hinds series UNA union
Catalog Number
UNA36
UPC
782274643151
Product Length/Depth
6.5 in
Product Height
3.5 in
Product Width
3.5 in
Product Weight
2.18 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
Feraloy iron alloy
Trade size
1"
Crouse-Hinds series Explosionproof Conduit Unions, Elbows and Tees catalog page
Explosionproof Conduit Unions, Elbows and Tees Canadian certification
Explosionproof Conduit Unions, Elbows and Tees Canadian certification
Eaton Specification Sheet - UNA36
Explosionproof construction using Feraloy iron alloy delivers robust protection in hazardous locations, resisting impact and corrosion. The durable material maintains a reliable seal under vibration and thermal cycling, translating to longer service intervals and fewer field repairs in chemical plants, oil and gas facilities, and mining sites. The 1\" trade size with male connections provides a standardized, compatible interface for rigid/IMC conduits, reducing mis-matches and expediting procurement and installation. NEC/CEC compliance and explicit ratings for Class I, II, and III locations give engineers confidence to meet regulatory requirements without field rework. With a compact 6.5 in length, 3.5 in width and height, and a weight of 2.18 lb, installation is straightforward even in restricted spaces. Compatibility within the UNA family minimizes tooling needs and training, delivering measurable time and cost savings. Real-world applications benefit from quick field retrofits and predictable performance under demanding conditions.
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FAQs
The UNA36 union is designed for 1\" trade size rigid/IMC conduits using a male connection within the UNA family. It delivers a secure, explosionproof termination suitable for hazardous locations such as chemical plants, oil and gas facilities, and mining. For best results, pair UNA36 with other UNA components from Eaton Crouse-Hinds to ensure fit integrity and consistent performance.
UNA36 carries NEC/CEC standards with hazardous-location ratings including Class I, Division 1 and 2, Class II, Division 1 and 2, and Class III. This combination supports compliance in hazardous and classified locations, allowing engineers to specify the fitting with confidence for safety-critical installations.
The UNA36 union uses a durable Feraloy iron alloy with a straightforward, tool-friendly interface and standard 1\" trade size. Its rigid/IMC compatibility and compact 6.5 in length reduce handling and alignment steps, enabling quicker terminations and less rework on site, which translates to shorter project schedules and lower labor costs.
Yes. The Feraloy iron alloy provides high strength and corrosion resistance, maintaining sealing integrity through thermal cycling and vibration. The explosionproof design minimizes arc hazards and dust ingress, helping extend service intervals and reduce unscheduled maintenance in demanding environments.
Official documentation includes the Crouse-Hinds UNA catalog page, Canadian certification listings, and the Eaton specification sheet for UNA36. These resources provide detailed installation guidance, ratings, and compatibility notes to support procurement and engineering reviews.