Eaton Crouse-Hinds EYS916 conduit sealing - Class I/II/III
Part Number: EYS916
Quick Summary
The Eaton Crouse-Hinds EYS916 conduit sealing fitting provides rugged, explosion-protected sealing for hazardous location wiring. In the field, unreliable seals can let moisture, dust, and gases compromise electrical integrity and safety, triggering costly downtime. This unit complies with NEC/CEC standards and carries Class I, Division 1 and 2, Class II, Division 1 and 2, and Class III ratings, with Canadian certification references to support cross-border installations. Engineered for vertical or horizontal sealing and offered in male and female configurations, the EYS916 delivers predictable installation behavior and long-term reliability. Designed for industrial environments, it helps sustain uptime, simplify audits, and maintain compliance while reducing maintenance costs over the equipment lifecycle.
Product Information
Extended Description
EYS916 Eaton Crouse-Hinds: Eaton Crouse-Hinds series EYS conduit sealing fitting, Male and female, Feraloy iron alloy and/or ductile iron, Vertical or horizontal, Group B rated, 3-1/2"
Product Name
Eaton Crouse-Hinds series EYS conduit sealing fitting
Catalog Number
EYS916
Product Length/Depth
4.75 in
Product Height
9.19 in
Product Width
4.75 in
Product Weight
16.4 lb
UPC
782274365039
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
Sealing position
Vertical or horizontal
Gender
Male and female
Trade size
3-1/2"
Material
Feraloy iron alloy Ductile iron
Special features
Group B rated
Eaton Crouse-Hinds EYS916 3D drawing
Crouse-Hinds series EYS and EZS Explosionproof Conduit Sealing Fittings catalog page
EYS and EZS Explosionproof Conduit Sealing Fittings Canadian certification
EYS and EZS Explosionproof Conduit Sealing Fittings Canadian certification
IF 287 - Conduit Sealing
Eaton Specification Sheet - EYS916
Feature comes with robust 3-1/2" trade size and sealing performance, delivering a tight, maintenance-friendly enclosure interface that reduces ingress risk and improves overall plant safety. Business impact is a measurable increase in uptime and a reduction in unplanned maintenance for hazardous-area installations. Application spans chemical, refining, and other process industries where reliable conduit sealing is non-negotiable and code compliance must be maintained without sacrificing install speed. The device supports vertical or horizontal sealing and both male and female configurations, enabling quick retrofits and flexible layouts in tight spaces, which translates to faster project execution and fewer field adaptation costs. Material options include Feraloy iron alloy and/or ductile iron, delivering superior strength and corrosion resistance in harsh environments. This translates to longer service life and lower replacement costs in demanding plants. Group B rated construction further assures safety in explosive atmospheres, helping engineering teams meet strict regulatory requirements with confidence. Finally, compatibility with standard Crouse-Hinds fittings and available CAD drawings facilitates streamlined design verification and installation planning, reducing design iteration time and aiding procurement accuracy.
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FAQs
EYS916 is designed for vertical or horizontal sealing with both male and female configurations, enabling straightforward integration with existing conduit runs in Class I, II, and III hazardous locations. The unit uses Feraloy iron alloy or ductile iron for robust mechanical strength and corrosion resistance, ensuring reliable seals in challenging environments. When planning installation, verify NEC/CEC compliance and ensure correct mating with compatible EYS fittings for a code-compliant, field-proven solution.
EYS916 carries NEC/CEC compliance and NEC hazardous ratings, including Class I, Division 1 and 2, Class II, Division 1 and 2, and Class III. Canadian certifications are referenced via UL Canada, supporting approvals for Canada-based installations. This combination simplifies regulatory acceptance in multinational projects and helps streamline procurement and qualification testing for hazardous-location deployments.
The EYS916 is suited for explosion-protected conduit sealing in chemical processing, oil and gas, mining, and other heavy industrial environments where hazardous atmospheres exist. Its 3-1/2" trade size and dual gender capability support a wide range of wiring configurations, while vertical or horizontal sealing options adapt to space constraints and existing conduit layouts, enabling quick, compliant installations on new builds or retrofits.
EYS916 aligns with NEC/CEC standards and provides Class I, II, and III hazardous-location ratings, ensuring compliance for installations in classified locations. The sealing fitting is designed for both vertical and horizontal mounting and supports male and female connections, simplifying integration with standard conduit systems. For installation, refer to the IF 287 Conduit Sealing instruction sheet and the Eaton EYS916 specification page to verify optimal mounting, gasket selection, and wiring practices.
The EYS916’s rugged material construction (Feraloy iron alloy/ductile iron) and Group B rating reduce the likelihood of seal degradation in harsh environments, lowering maintenance frequency and replacement costs. Its certified compliance minimizes audit findings and rework, while its compatibility with existing fittings and CAD resources accelerates project timelines, delivering a favorable total cost of ownership in hazardous-location projects.