Eaton Crouse-Hinds ECLK227 S758 Coupling - Class I
Part Number: ECLK227 S758
Quick Summary
Eaton Crouse-Hinds ECLK227 S758 is a flexible coupling for hazardous-area conduit connections in industrial facilities. Maintenance teams struggle with corrosion resistance and alignment issues in harsh locations; this model’s protective PVC coating and forged brass construction address those challenges. It carries NEC/CEC compliance with Class I, Division 1 ratings and UL certifications for use in hazardous locations, giving engineers confidence in regulatory alignment. In practice, this translates to shorter installation times, fewer field repairs, and a clearer path to compliance across diverse sites. Designed for hazardous location conduit fittings and explosionproof couplings, it supports safer, more reliable operations while reducing total cost of ownership for industrial customers.
Product Information
Extended Description
ECLK227 S758 Eaton Crouse-Hinds: 3/4 X 27 DIV 1 FLEX CPLG M-F NEO COATING
Product Name
Eaton Crouse-Hinds series ECLK coupling
Catalog Number
ECLK227 S758
Product Length/Depth
31.13 in
Product Height
1.88 in
Product Width
1.88 in
Product Weight
4.94 lb
UPC
662276625471
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
27"
Trade size
3/4"
Material
Forged brass
Special features
Flexible PVC protective coating
Crouse-Hinds series EC Explosionproof Couplings catalog page
EC Explosionproof Couplings UL certification
EC Explosionproof Couplings UL certification
Feature: Flexible PVC protective coating; Business Impact: Provides corrosion and abrasion resistance in damp and harsh environments; Application: Offshore platforms, chemical plants, and mining sites. Feature: Forged brass construction; Business Impact: Delivers robust mechanical strength and long service life; Application: Explosion-proof conduit connections subject to vibration and impact. Feature: 27 inch flexible length; Business Impact: Enables easier routing around equipment and reduces the need for multiple elbows or adapters; Application: Long conduit runs in machine rooms and compact instrument spaces. Feature: 31.13 inch overall length with 1.88 inch width and height; Business Impact: Easier handling and installability in tight spaces; Application: Retrofits and new-builds with space constraints. Feature: NEC/CEC compliance with Class I Division 1; Business Impact: Streamlines regulatory approvals and minimizes compliance risk; Application: North American hazardous-location projects. Feature: Male-to-female connection on ends; Business Impact: Simplifies field assembly and inventory management; Application: Quick replacements in maintenance-driven environments.
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FAQs
The ECLK227 S758 uses standard 3/4 inch conduit fittings and a male-female connection design, enabling straightforward field assembly. Its forged brass body and PVC coating resist corrosion while the 27 inch flexible section accommodates routing around equipment. Follow NEC/CEC installation instructions and UL certification guidance to ensure proper enclosure integrity and explosion-proof performance.
Key specs include 3/4 inch trade size, 27 inch flexible length, overall length of 31.13 inches, and a weight of 4.94 lb. The forged brass construction and protective PVC coating enhance mechanical strength and corrosion resistance, while Class I Division 1 ratings confirm suitability for hazardous environments. These factors translate to longer service life and reduced maintenance downtime.
Yes. The 27 inch flexible segment, combined with the 31.13 inch overall length, provides routing flexibility for complex layouts without excessive fittings. The brass body and PVC protective coating withstand chemical exposure and wet environments common in chemical plants and offshore facilities, helping to minimize joint failures and leakage risks.
The coupling aligns with NEC/CEC requirements for Hazardous/Classified Locations, including Class I, Division 1 ratings. UL certification validates explosion-proof suitability, and the product is designed for hazardous locations across the US and Canada. This combination supports regulatory approvals and reduces project risk during commissioning.
The protective PVC coating and forged brass body resist corrosion and physical wear, lowering maintenance frequency in harsh environments. A single, properly installed coupling reduces the need for multiple adapters and joints, lowering inventory costs and downtime. Regular inspection of the mating ends and coatings helps sustain seal integrity and long-term reliability.