Eaton EYSX31 Expanded Fill Sealing Fitting - Class I
Part Number: EYSX31
Quick Summary
Eaton Crouse-Hinds EYSX31 Expanded Fill Sealing Fitting seals conduits in hazardous locations for explosionproof installations. Installers often confront leaks, downtime, and compliance risk when sealing conduits in demanding environments. It meets NEC/CEC compliance and UL hazardous-location listings with Class I, II, and III ratings, supporting safe operations. With rugged materials and flexible orientation, it reduces maintenance while speeding installation and ensuring a reliable seal. Standard 1" fittings streamline procurement across projects, delivering durable, field-proven performance.
Product Information
Extended Description
EYSX31 Eaton Crouse-Hinds: Eaton Crouse-Hinds series EYSX expanded fill sealing fitting, Female, Feraloy iron alloy and/or ductile iron, Vertical or horizontal, Group B rated, 1"
Product Name
Eaton Crouse-Hinds series EYSX expanded fill sealing fitting
Catalog Number
EYSX31
Product Length/Depth
2.19 in
Product Height
5.06 in
Product Width
2.19 in
Product Weight
3.3 lb
UPC
782274943138
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 or horizontal
Material
Feraloy iron alloy Ductile iron
Special features
Group B rated
Crouse-Hinds series EYSX Expanded Fill Explosionproof Conduit Sealing Fittings catalog page
EYSX Expanded Fill Explosionproof Conduit Sealing Fittings UL certification
EYSX Expanded Fill Explosionproof Conduit Sealing Fittings UL certification
IF 288 - EYSX and EYDX Expanded Sealing Fitting
Eaton Specification Sheet - EYSX31
Expanded fill sealing design provides a robust barrier against gas and dust ingress, improving equipment reliability and reducing leak-related downtime in hazardous locations. This translates to measurable safety improvements and cost reductions by limiting unplanned maintenance. The construction uses Feraloy iron alloy and/or ductile iron, delivering high strength and wear resistance in harsh environments, which extends service life and lowers total cost of ownership. Vertical or horizontal sealing orientation supports flexible installation, enabling easier routing around obstacles and quicker commissioning on retrofit projects. The 1" trade size offers standard compatibility with common conduit systems, simplifying spares inventory and installation time on-site. NEC/CEC compliance and UL hazardous-location listings give procurement and compliance teams confidence for project approval and regulatory audits, reducing engineering review cycles. Documentation and installation resources from Eaton, including IF 288 instructions and the Eaton specification sheet, streamline field assembly and ensure sealing integrity. Designed for industrial conduit systems, this fitting aligns with 1" conduits and standard mounting practices, delivering dependable performance in demanding facilities.
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FAQs
EYSX31 is a 1" trade-size, female sealing fitting designed to pair with standard conduit systems. It supports vertical or horizontal sealing, allowing flexible routing and straightforward integration with existing Eaton/Crouse-Hinds sealing fittings while maintaining the explosionproof integrity required in hazardous locations.
EYSX31 carries NEC/CEC standards compliance and UL hazardous-location listings, with Class I, Division 1 and Division 2 ratings, plus Class II and Class III as applicable. It is intended for Hazardous/Classified Locations and is UL-listed for use in these environments, ensuring regulatory acceptance and safer operation.
Yes. EYSX31 is rated for Class I, Division 1 environments, providing explosionproof sealing for hazardous locations and helping to meet strict industry safety and compliance requirements when sealing conduit penetrations.
To preserve explosionproof integrity, install per IF 288 guidance, ensure proper torque on connectors, seal against dust and gas ingress with the correct sealing technique, and confirm vertical or horizontal orientation as required by the installation plan. Use approved sealing compounds and follow mounting practices specified by Eaton.
The EYSX31 delivers reduced downtime, improved safety, and streamlined approvals due to NEC/CEC compliance and UL listings. Its robust material build (Feraloy iron alloy/ductile iron), 1" standard size, and flexible orientation shorten installation times and simplify spare management while ensuring reliable performance in hazardous locations.