Eaton Crouse-Hinds UNF705 Conduit Union - Explosionproof
Part Number: UNF705
Quick Summary
UNF705 union, Eaton Crouse-Hinds, provides explosion-proof conduit connections for rigid/IMC systems in hazardous locations. Engineers struggle with safe, compliant terminations in Class I/II environments where dust, moisture, and explosive atmospheres threaten uptime. This product is NEC/CEC compliant and UL listed for Hazardous/Classified Locations, with Class I, Division 1 and 2, Class II and III ratings, delivering peace of mind in demanding installations. With a 2-1/2 inch trade size and a durable Feraloy iron alloy body, UNF705 reduces installation risk and extends service life. By combining robust fit with straightforward mounting, it supports reliable automation infrastructure and lowers total cost of ownership for safety-critical applications.
Product Information
Extended Description
UNF705 Eaton Crouse-Hinds: Eaton Crouse-Hinds series UNF union, Rigid/IMC, Female, Feraloy iron alloy, 2-1/2"
Product Name
Eaton Crouse-Hinds series UNF union
Catalog Number
UNF705
UPC
782274644509
Product Length/Depth
3.13 in
Product Height
4.16 in
Product Width
4.16 in
Product Weight
4.48 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
Female
Material
Feraloy iron alloy
Trade size
2-1/2"
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 - UNF705
Feature → Business Impact → Application: The UNF705 uses a Feraloy iron alloy housing, delivering rugged durability and corrosion resistance in harsh environments, which translates to extended service life and reduced maintenance costs in hazardous location installations. Application: suitable for explosion-proof terminations in chemical processing, oil & gas, and mining facilities, where downtime is costly. Feature → Business Impact → Application: Rigid/IMC compatibility enables seamless integration with existing conduit runs, streamlining retrofits and new builds while reducing inventory of adapters. Application: ideal for installation teams consolidating fittings in plant upgrades and new automation deployments. Feature → Business Impact → Application: 2-1/2" trade size and female configuration ensure broad compatibility with common conduit systems, lowering part count and installation time. Application: used in mid-size to large industrial installations requiring reliable, standardized unions. Feature → Business Impact → Application: NEC/CEC compliance and UL listing provide regulatory confidence, mitigating compliance risk and accelerating project approvals. Application: preferred for safety-critical projects in hazardous locations. Feature → Business Impact → Application: precise dimensions (3.13 in length, 4.16 in height and width) and weight (4.48 lb) support accurate planning and handling on crowded equipment floors. Application: field teams planning layout, clearance, and maintenance schedules.
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FAQs
UNF705 is designed for female connections on rigid/IMC conduit, with a 2-1/2 inch trade size. When installing, verify conduit compatibility, tighten to the manufacturer’s torque specification, and ensure seals and gaskets (per UL listing) are in place to maintain explosion-proof integrity in hazardous locations.
Yes. UNF705 carries NEC/CEC compliance with NEC hazardous ratings for Class I (Divisions 1 and 2), Class II (Divisions 1 and 2), and Class III, and is UL-listed for use in Hazardous/Classified Locations, providing certified protection in a range of demanding environments.
Key specs include 2-1/2" trade size, 3.13 in length, 4.16 in height, 4.16 in width, and a weight of 4.48 lb, with a female connection designed for rigid/IMC conduits.
UNF705 is NEC/CEC compliant, UL-listed for explosion-proof service, and rated for Hazardous/Classified Locations (Class I, II, III). These certifications reduce regulatory risk, support compliance during audits, and simplify project approvals for industrial facilities.
With a standardized 2-1/2" size, compatible rigid/IMC fit, and a durable Feraloy iron alloy body, UNF705 minimizes part variety and maintenance needs, shortening install time, reducing spare parts stocking, and lowering lifecycle costs in hazardous-location automation systems.