Eaton Crouse-Hinds 3/4" Rigid/IMC Union, Steel, Class I Division 1 Rated
Hazardous Location Union for Critical Industrial Electrical Systems
The Eaton Crouse-Hinds 3/4" Rigid/IMC Union is a professional-grade hazardous location fitting engineered for Class I, Division 1 environments. This steel union delivers reliable conduit connections for critical industrial electrical installations where explosive atmospheres may be present.
Key Features & Benefits
Hazardous Location Protection
- Class I, Division 1 Rating - Approved for use in locations where flammable gases or vapors may be present during normal operations
- Group B Classification - Suitable for hydrogen and other highly hazardous gas environments
- NEC/CEC Compliant - Meets all National Electrical Code and Canadian Electrical Code requirements for hazardous locations
- Explosion-Proof Design - Prevents ignition of surrounding explosive atmospheres through robust containment
Professional Construction
- Steel Construction - Provides exceptional strength and durability for demanding industrial environments
- Precision Threading - Ensures proper flame path maintenance and secure connections
- Female Configuration - Designed for optimal integration with rigid and IMC conduit systems
- Compact Design - 1.88" x 1.88" x 1.97" dimensions minimize space requirements while maximizing performance
Installation Efficiency
- Union Design - Allows for easy disconnection and reconnection of conduit runs without rewiring
- 3/4" Trade Size - Compatible with standard 3/4" rigid and IMC conduit systems
- Lightweight Profile - At just 0.59 pounds, reduces installation fatigue and structural loading
Technical Specifications
This union features 3/4" trade size compatibility with both rigid and IMC conduit systems. The steel construction provides superior mechanical strength while maintaining the precise tolerances required for hazardous location applications. Dimensions of 1.88" width, 1.88" height, and 1.97" length ensure compact installation in space-constrained environments. The female configuration allows for secure threaded connections that maintain proper flame paths essential for explosion-proof performance.
Installation Process
- Verify conduit ends are properly cut, deburred, and threaded to maintain flame path integrity
- Apply appropriate thread compound approved for hazardous locations to male conduit threads
- Thread conduit sections into union halves, ensuring full engagement of threads
- Align conduit runs and bring union halves together
- Tighten union connection using appropriate wrenches, maintaining proper flame path clearances
- Verify all connections are secure and meet installation torque requirements
Applications
Perfect for:
- Chemical Processing Plants - Conduit connections in areas with flammable vapor exposure
- Petroleum Refineries - Critical electrical distribution in hydrocarbon processing environments
- Paint Spray Booths - Electrical connections where solvent vapors create explosive atmospheres
- Pharmaceutical Manufacturing - Clean room electrical systems with solvent-based processes
- Grain Handling Facilities - Electrical distribution in dust-laden environments
- Aircraft Hangars - Fuel vapor areas requiring Class I, Division 1 protection
- Marine Fuel Systems - Shipboard electrical connections in fuel handling areas
- Industrial Maintenance - Temporary disconnection points for equipment servicing
Hazardous Location Union Benefits
Unions provide critical flexibility in hazardous location electrical systems by allowing conduit disconnection without disturbing wiring. This capability is essential for equipment maintenance, system modifications, and emergency repairs in explosive atmospheres. The threaded union design maintains proper flame paths while providing the mechanical strength required for industrial environments.
Why Choose Steel Construction?
Steel construction delivers the mechanical strength and flame path integrity essential for Class I, Division 1 applications. The material's durability ensures long-term performance in corrosive industrial environments while maintaining the precise tolerances required for explosion-proof operation. Eaton Crouse-Hinds steel fittings are trusted by electrical professionals for over 100 years of proven performance in the most demanding hazardous locations.
Manufacturer Resources
Product Specs
- Area Classification:
- Hazardous/Classified Locations
- Conduit Type:
- Rigid/IMC
- Material:
- Steel
- Nec Hazardous Rating:
- Class I, Division 1
- Product Height:
- 1.88 in
- Product Length Depth:
- 1.97 in
- Product Weight:
- .59 lb
- Product Width:
- 1.88 in
- Standards Type:
- NEC/CEC
- Trade Size:
- 3/4"
- Product Type:
- Union
- Product Group:
- Electrical Fitting
- Department:
- Electrical
- Product Subgroup:
- Union