Eaton Crouse-Hinds UNF105 SS union - Group B rated
Part Number: UNF105 SS
Quick Summary
UNF105 SS union is a rugged conduit fitting designed for hazardous locations in industrial facilities that require reliable enclosure connections. Installers and engineers struggle with corrosion resistance and seal integrity in harsh environments; UNF105 SS delivers robust metal-to-metal sealing and long-term durability. This union aligns with NEC/CEC standards and NEC hazardous ratings, while Canadian certifications verify compliance across North America. In practice, you gain faster installs, reduced leakage risk, and predictable performance in Rigid/IMC runs at 1/2 inch. Designed for 1/2 inch trade size and Group B rating, it simplifies procurement and ensures consistent installation practices.
Product Information
Extended Description
UNF105 SS Eaton Crouse-Hinds: Eaton Crouse-Hinds series UNF union, Rigid/IMC, Female, 316 stainless steel, Group B rated, 1/2"
Product Name
Eaton Crouse-Hinds series UNF union
Catalog Number
UNF105 SS
UPC
662276584464
Product Length/Depth
1.63 in
Product Height
1.5 in
Product Width
1.5 in
Product Weight
0.42 lb
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
Conduit type
Rigid/IMC
Gender
Female
Material
316 stainless steel
Trade size
1/2"
Special features
Group B rated
Crouse-Hinds series Explosionproof Conduit Unions, Elbows and Tees catalog page
Explosionproof Conduit Unions, Elbows and Tees Canadian certification
Explosionproof Conduit Unions, Elbows and Tees Canadian certification
Eaton Specification Sheet - UNF105 SS
Feature: 316 stainless steel construction provides superior corrosion resistance. Business Impact: extends service life and reduces maintenance costs in chemical, petrochemical, and offshore environments. Application: ideal for long-term reliability in hazardous locations where moisture and chemicals are present. Feature: Group B rating for hazardous locations. Business Impact: supports NEC hazardous ratings while minimizing ignition risk during commissioning and operation. Application: Class I, Division 1/2 and Class II/III zone compliance in refineries and processing plants. Feature: Compatible with rigid/IMC conduit. Business Impact: simplifies field installs, lowers labor time, and reduces need for adapters. Application: new builds and retrofits in restricted spaces with tight conduit runs. Feature: 1/2 inch trade size. Business Impact: aligns with common control panels and fittings, improving inventory management. Application: standard sizing for instrumentation and motor control circuits. Feature: Compact dimensions (1.63 in L, 1.5 in W/H) and weight (0.42 lb). Business Impact: ease of handling during installation and lower deadweight in overhead runs. Application: installations in confined electrical closets and compact enclosures. Feature: NEC/CEC compliance with Canadian certification listings. Business Impact: enables cross-border procurement and reduces review cycles during audits. Application: North American projects requiring multi-jurisdiction approvals.
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FAQs
For hazardous locations, install UNF105 SS unions with proper routing of rigid/IMC conduit to minimize movement and stress on the connection. Ensure the 316 stainless steel body remains free from contamination and follow NEC/CEC guidelines for enclosure entries. Use compatible gaskets and tighten per vendor recommendations to maintain the integrity of the metal-to-metal seal.
The UNF105 SS union conforms to NEC/CEC standards and supports NEC hazardous ratings, including Class I, Division 1 and 2, plus Class II/III where applicable. Canadian certification listings are provided to support cross-border use. This combination helps ensure compliance in North American facilities and reduces certification review times during audits.
Yes. The UNF105 SS union is designed for rigid/IMC conduit, enabling straightforward field installation without additional adapters. This compatibility reduces installation time, lowers parts inventory, and improves reliability by maintaining a consistent seal across conduit types in hazardous locations.
Chemical processing plants, petrochemical facilities, offshore platforms, and mining operations benefit most due to the material's corrosion resistance, ease of cleaning, and robust performance in aggressive atmospheres. The Group B rating adds protection in regions with flammable vapors, helping sustain uptime and safety in demanding environments.
The 316 stainless steel construction reduces corrosion-related maintenance, extending service life and lowering replacement cycles. Quick, tool-friendly installation lowers labor costs, while reliable sealing minimizes leakage risk. Across projects, these factors translate to lower total cost of ownership and improved system reliability in hazardous locations.