Eaton Crouse-Hinds EYD31 Conduit Sealing Fitting - Group B
Part Number: EYD31
Quick Summary
The Eaton Crouse-Hinds EYD31 conduit sealing fitting provides drainage for conduit terminations in hazardous locations. In practice, moisture ingress and maintenance costs from non-drainage seals can drive downtime and reliability concerns in harsh environments. This unit carries NEC/CEC compliance with Class I Division 1 & 2, Class II Division 1 & 2, and Class III ratings, plus a Group B explosionproof designation, supported by UL certifications for use in hazardous locations. For engineers, its 1" trade size and vertical orientation simplify field installation while delivering reliable sealing, drainage, and long-term lifecycle value across industrial wiring and control systems.
Product Information
Extended Description
EYD31 Eaton Crouse-Hinds: Eaton Crouse-Hinds series EYD conduit sealing fitting with drain, Female, Feraloy iron alloy and/or ductile iron, Vertical only, Group B rated, 1"
Product Name
Eaton Crouse-Hinds series EYD conduit sealing fitting with drain
Catalog Number
EYD31
Product Length/Depth
2.19 in
Product Height
4.31 in
Product Width
2.19 in
Product Weight
2.6 lb
UPC
782274365077
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
Gender
Female
Trade size
1"
Sealing position
Vertical only
Material
Ductile iron Feraloy iron alloy
Special features
Group B rated
Crouse-Hinds series EYD and EZD Explosionproof Conduit Sealing Fittings with Drain catalog page
EYD and EZD Explosionproof Conduit Sealing Fittings with Drain UL certification
EYD and EZD Explosionproof Conduit Sealing Fittings with Drain UL certification
IF 287 - Conduit Sealing
Eaton Specification Sheet - EYD31
Feature: Durable materials include ductile iron and Feraloy iron alloy, which translates to improved corrosion resistance and long-term reliability. Business Impact: Reduces maintenance costs and extends service intervals in hostile environments. Application: Suitable for outdoor and indoor installations in hazardous locations where moisture and corrosion risk are high. Feature: Vertical sealing position with a drain, ensuring proper drainage and seal orientation. Business Impact: Minimizes moisture buildup and ingress, preventing conduit enclosure damage and downtime. Application: Ideal for vertical conduit entries in plants with humid or washdown conditions. Feature: Group B rated and NEC/CEC compliance, including Class I/II/III hazardous location ratings. Business Impact: Enables compliant, safer installations and reduces regulatory risk and design rework. Application: Used in chemical, oil & gas, and mining facilities requiring explosionproof fittings. Feature: 1" trade size with female connection, compatible with standard conduit systems. Business Impact: Simplifies procurement and installation, lowering total project costs. Application: Supports common electrical layouts and reduces custom fabrication. Feature: Drain feature integrated into the sealing fitting. Business Impact: Improves reliability by removing condensate that can compromise seals and electronics. Application: Critical in ventilation-adjacent or damp environments. Feature: UL-certified explosionproof design and documented installation guidance. Business Impact: Accelerates approvals and commissioning while ensuring safety compliance. Application: Suitable for installation in hazardous locations across process industries.
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FAQs
EYD31 is designed for vertical mounting with a drain to prevent moisture buildup. It uses ductile iron or Feraloy iron alloy, is Group B rated, and complies with NEC/CEC classifications for Class I, II, and III areas. Ensure proper enclosure sealing and follow Eaton installation instructions IF 287 for best results.
The EYD31 meets NEC/CEC standards and carries hazardous location ratings (Class I/II/III) with a Group B designation, backed by UL certifications. This reduces risk of ignition, supports regulatory approvals, and minimizes design changes during audits while ensuring proper drainage and sealing in explosionproof installations.
Yes. EYD31 is a 1" trade-size, female conduit sealing fitting designed to fit standard conduit systems. Its female connection and specified dimensions simplify integration with existing ferrous conduits, reducing field modifications and installation time.
The integral drain reduces condensate and moisture inside conduit fittings, decreasing corrosion risk and extending equipment life. This translates to lower maintenance costs, less unscheduled downtime, and a faster return on investment in hazardous-location installations.
EYD31 carries NEC/CEC compliance with Hazardous/Classified Locations and ratings for Class I, Division 1 & 2, Class II Division 1 & 2, and Class III, plus a Group B explosionproof designation. UL certifications validate suitability for hazardous environments and support regulatory acceptance in multiple jurisdictions.