Eaton Crouse-Hinds EYDX31 Expanded Fill Sealing Fitting - Group B rated
Part Number: EYDX31
Quick Summary
EYDX31 expanded sealing fitting provides explosion-proof conduit sealing for hazardous locations in industrial plants. Installers struggle with moisture buildup and drainage in sealed fittings, and EYDX31’s integrated drain helps prevent water accumulation and corrosion. The unit carries NEC/CEC compliance and UL hazardous location certifications—including Class I, Division 1 and 2, and Class II/III ratings—ensuring safe operation. Constructed from ductile iron with a Feraloy iron alloy, it withstands harsh environments, while its vertical sealing orientation suits vertical conduit runs. With a 1" trade size and a female connection, EYDX31 integrates easily into Eaton Crouse-Hinds ecosystems, delivering faster installs and lower lifecycle costs.
Product Information
Extended Description
EYDX31 Eaton Crouse-Hinds: Eaton Crouse-Hinds series EYDX expanded fill sealing fitting with drain, Female, Feraloy iron alloy and/or ductile iron, Vertical only, Group B rated, 1"
Product Name
Eaton Crouse-Hinds series EYDX expanded fill sealing fitting with drain
Catalog Number
EYDX31
Product Length/Depth
2.19 in
Product Height
5.06 in
Product Width
2.19 in
Product Weight
3.65 lb
UPC
782274943008
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 EYDX Expanded Fill Explosionproof Conduit Sealing Fittings w/ Drain catalog page
EYDX Expanded Fill Explosionproof Conduit Sealing Fittings with Drain UL certification
EYDX Expanded Fill Explosionproof Conduit Sealing Fittings with Drain UL certification
IF 288 - EYSX and EYDX Expanded Sealing Fitting
Eaton Specification Sheet - EYDX31
Feature: Integrated drain in an expanded fill sealing fitting. Business Impact: Reduces moisture buildup and corrosion risk, lowering maintenance and replacement costs. Application: Ideal for vertical conduit runs in chemical plants and refineries where condensate control is critical. Feature: Ductile iron with Feraloy iron alloy construction. Business Impact: Delivers high strength, impact resistance, and improved long-term durability in harsh industrial environments. Application: Suitable for mining, oil & gas, and chemical processing facilities exposed to chemicals and temperature cycling. Feature: Group B rated for hazardous locations. Business Impact: Enhances safety compliance and minimizes risk during inspection cycles, supporting regulatory alignment. Application: Used in Class I, Division 1 and 2, and Class II/III environments across ports, refineries, and power plants. Feature: Vertical only sealing position. Business Impact: Simplifies installation planning and reduces leakage paths in vertical conduit runs, saving install time. Application: Best for overhead or wall-mounted conduit layouts in process plants. Feature: 1 inch trade size, female gender. Business Impact: Ensures compatibility with standard conduit fittings and fast, thread-ready installation. Application: Seamless integration into existing Eaton Crouse-Hinds EYDX/EYSX ecosystem and common plant wiring schemes.
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FAQs
EYDX31 should be installed in accordance with NEC/CEC guidelines for Class I, Division 1 and 2, and Class II/III environments. Ensure vertical orientation is maintained, connect to a compatible 1" conduit with a proper fitting, and verify the drain is unobstructed to prevent moisture buildup. UL certification supports compliant wiring practices in hazardous areas.
EYDX31 features a 1 inch trade size, female connection, and vertical sealing position. It is constructed from ductile iron and Feraloy iron alloy, designed for hazardous locations. The part aligns with NEC/CEC standards and offers Group B rating for reliable performance in Division 1 and 2 environments.
Yes, EYDX31 is designed for standard 1" conduit systems and features an integrated drain that channels condensate away from the seal. This drainage capability reduces moisture-related corrosion and seal degradation, extending service life in wet or humid hazardous locations.
EYDX31 carries NEC/CEC compliance and UL hazardous location certifications, including Class I Division 1 and 2, Class II Division 1 and 2, and Class III ratings. These certifications cover safe operation in hazardous environments and support regulatory compliance during audits and inspections.
EYDX31 reduces maintenance by minimizing moisture-related seal failures and corrosion, lowering replacement and downtime costs. Its robust materials and drain feature improve long-term reliability in harsh environments, delivering faster installation, safer operation, and a favorable total cost of ownership for facilities handling hazardous materials.