Eaton Crouse-Hinds ECLK372 Coupling - Hazardous Locations
Part Number: ECLK372
Quick Summary
Eaton Crouse-Hinds ECLK372 coupling provides a 72-inch flexible connection for hazardous-area installations. In operation, misfit fittings and difficult alignments cause downtime and safety risks, especially in harsh environments. This product carries NEC/CEC compliance with Class I, Division 1, as well as additional Canadian certification to support cross-border projects. The forged brass construction and 1-inch trade size offer durable, long-lasting performance while simplifying installation and spares management. By combining reliable explosionproof performance with easy handling, ECLK372 helps engineers reduce maintenance costs, accelerate commissioning, and improve system integrity in refineries, offshore platforms, and chemical processing facilities.
Product Information
Extended Description
ECLK372 Eaton Crouse-Hinds: Eaton Crouse-Hinds series ECLK coupling, 72" flexible length, Male connection one end, female connection one end, Forged brass, 1" trade size
Product Name
Eaton Crouse-Hinds series ECLK coupling
Catalog Number
ECLK372
Product Length/Depth
77 in
Product Height
2.13 in
Product Width
2.13 in
Product Weight
13.02 lb
UPC
782274969299
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 1 Class II, Division 1 Class III
Gender
Male connection one end, female connection one end
Flexible length
72"
Trade size
1"
Material
Forged brass
Crouse-Hinds series EC Explosionproof Couplings catalog page
EC Explosionproof Couplings Canadian certification
EC Explosionproof Couplings Canadian certification
Eaton Specification Sheet - ECLK372
72-inch flexible length with male one end and female the other provides flexible routing and reduces the need for extra fittings, lowering installation time and potential leak paths. This translates to faster commissioning and fewer on-site errors, particularly in constrained electrical spaces. Suitable for long runs in chemical plants, refineries, and offshore platforms, the ECLK372 simplifies layout planning while maintaining explosionproof integrity. Forged brass construction enhances corrosion resistance and durability in harsh environments. This improves service life and reduces replacement cycles in marine and chemical processing applications. Practical applications include hazardous-location conduit connections on offshore rigs, petrochemical facilities, and power generation sites where reliability is critical. The 1-inch trade size and compatible male/female ends streamline procurement and installation, reducing adapters and inventory needs and delivering cost savings and faster project timelines. Installation remains straightforward in compliant installations, with NEC/CEC standards and area classifications for Hazardous/Classified Locations guiding best practices. Certification coverage includes Class I, Division 1 ratings and additional Class II and III considerations, plus UL Canadian certification, supporting cross-border projects and audit readiness for regulatory compliance.
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FAQs
For the ECLK372, ensure the mating ends are properly aligned and fully seated to maintain the explosionproof seal. Use standard conduit fittings compatible with a 1" trade size, adhere to NEC/CEC wiring practices, and follow the area classification guidance for Class I, Division 1 environments. Reference Eaton's specification sheet for torque and assembly guidance to minimize exposure during field installs.
Key specs include a 72-inch flexible length with male one end and female the other, forged brass construction, 1-inch trade size, and a product length/depth around 77 inches with a weight of approximately 13.02 lb. It supports hazardous locations per NEC/CEC and includes certifications for Class I, Division 1, along with other classifications and Canadian certification.
Yes. The ECLK372 is rated for NEC/CEC hazardous locations, including Class I, Division 1, Class II Division 1, and Class III. It also has Canadian certification support, aligning with UL Canada listings for use in hazardous environments and helping with cross-border procurement and compliance audits.
The coupling is ideal for explosionproof conduit connections in chemical processing, refineries, offshore platforms, and other hazardous-area installations. Its long 72-inch flexible length supports complex routing around equipment, while the forged brass construction ensures durability in corrosive environments and marine settings.
The 72-inch flexible design reduces fittings and installation time, lowering labor costs and downtime. Forged brass provides long service life with improved corrosion resistance, decreasing replacement cycles. Compliance with NEC/CEC and Canadian certifications reduces regulatory risk and speeds project approvals, delivering a favorable total cost of ownership for North American hazardous-location projects.