Eaton Crouse-Hinds 1" Rigid/IMC Union, Steel, Hazardous Location Rated
Professional-Grade Conduit Union for Class I, Division 1 Hazardous Locations
The Eaton Crouse-Hinds 1" Rigid/IMC Union is a premium hazardous location fitting engineered for Class I, Division 1 applications. This steel union delivers reliable conduit connections with Group B rating for professional electrical installations in explosive atmospheres and demanding industrial environments.
Key Features & Benefits
Hazardous Location Performance
- Class I, Division 1 Rating - Certified for use in locations with ignitable concentrations of flammable gases or vapors
- Group B Classification - Suitable for hydrogen and other highly volatile gas environments
- NEC/CEC Compliant - Meets all applicable electrical code requirements for hazardous location installations
- Explosion-Proof Design - Engineered to contain internal explosions and prevent ignition of surrounding atmosphere
Superior Construction Quality
- Steel Construction - Provides exceptional strength and durability for long-term service in harsh environments
- Precision Threading - Ensures secure, leak-tight connections with rigid and IMC conduit systems
- Male Configuration - Designed for versatile installation options in conduit runs
- Professional-Grade Materials - Built to withstand extreme temperatures, corrosion, and mechanical stress
Installation Efficiency
- Union Design - Allows for easy disconnection and reconnection of conduit runs without rewiring
- Standard Trade Size - 1" trade size fits seamlessly into existing conduit systems
- Contractor-Friendly - Reduces installation time and simplifies maintenance access
Technical Specifications
This 1" trade size union features steel construction with male threading compatible with both rigid and IMC conduit systems. The fitting measures 3" in length, 2.19" in width and height, with a total weight of 0.89 pounds. Certified for Class I, Division 1, Group B hazardous locations, it meets NEC/CEC standards for explosive atmosphere applications. The robust steel construction provides superior mechanical strength and corrosion resistance for demanding industrial environments.
Installation Process
- Verify conduit system is de-energized and properly locked out/tagged out
- Thread union onto first conduit section, ensuring full engagement of threads
- Apply appropriate thread sealant rated for hazardous locations if required
- Connect second conduit section to complete the union joint
- Tighten connections to manufacturer specifications using appropriate wrenches
- Verify all connections are secure and properly sealed before energizing system
Applications
Perfect for:
- Chemical Processing Plants - Conduit connections in areas with flammable gas exposure
- Petroleum Refineries - Electrical systems in hydrocarbon processing environments
- Paint Spray Booths - Conduit runs in solvent vapor atmospheres
- Pharmaceutical Manufacturing - Clean room electrical installations with volatile compounds
- Grain Handling Facilities - Dust-prone environments requiring explosion-proof fittings
- Aircraft Hangars - Fuel vapor areas requiring Group B rated components
- Industrial Maintenance - Temporary disconnection points for equipment servicing
- Hydrogen Production Facilities - Specialized Group B applications with hydrogen gas
Hazardous Location Union Benefits
Unions provide critical advantages in hazardous location installations by allowing conduit systems to be disconnected for maintenance without disturbing wiring. This reduces downtime and safety risks in explosive atmospheres. The male configuration offers flexibility in system design, enabling connections between different conduit sections or equipment while maintaining explosion-proof integrity throughout the installation.
Why Choose Steel Construction?
Steel construction delivers superior mechanical strength and flame resistance essential for hazardous location applications. Unlike lighter materials, steel provides the structural integrity needed to contain potential explosions while maintaining long-term dimensional stability under extreme temperature variations. The robust construction ensures reliable performance in the most demanding industrial environments where safety and durability are paramount.
Manufacturer Resources
Product Specs
- Area Classification:
- Hazardous/Classified Locations
- Conduit Type:
- Rigid/IMC
- Material:
- Steel
- Nec Hazardous Rating:
- Class I, Division 1
- Product Height:
- 2.19 in
- Product Length Depth:
- 3 in
- Product Weight:
- .89 lb
- Product Width:
- 2.19 in
- Standards Type:
- NEC/CEC
- Trade Size:
- 1"
- Product Type:
- Union
- Product Group:
- Electrical Fitting
- Department:
- Electrical
- Product Subgroup:
- Union