Cut Sheet

Class I, Division 1 and 2 Groups C, D
Class II, Division 1 and 2 Groups E, F, G
Class III
Size (Inches)
Catalog Number
Steel
UNY Male Unions— Standard — For connecting conduit to enclosure
1/2 UNY50
3/4 UNY75
1 UNY100
UNYL Male Unions— Long — For connecting conduit to enclosure
1/2 UNYL50
3/4 UNYL75
1 UNYL100
UNF Female Unions— Standard — For connecting conduit to conduit
1/2 UNF50
3/4 UNF75
1 UNF100
UNFL Female Unions— Long — For connecting conduit to conduit
1/2 UNFL50
3/4 UNFL75
1 UNFL100
Dimensions
Catalog Number
Size
(Inches)
Inches/Millimeters
A
B (Overall Length
at Max. Expansion) C
D
(Maximum Expansion)
UNY50 1/2 1.19/30.2 3.88/78.9 2.31/58.7 0.50/12.7
UNY75 3/4 1.44/36.5 3.28/83.3 2.44/61.9 0.53/13.5
UNY100 1 1.75/44.5 3.67/93.2 2.69/68.3 0.66/16.7
UNYL50 1/2 1.19/30.2 4.11/104.4 3.31/84.1 1.00/25.4
UNYL75 3/4 1.44/36.5 4.28/108.7 3.44/87.3 1.09/27.8
UNYL100 1 1.75/44.5 4.98/126.5 4.00/101.6 1.34/34.1
UNF50 1/2 1.19/30.2 2.94/74.6 — 0.50/12.7
UNF75 3/4 1.44/36.5 3.06/77.8 — 0.53/13.5
UNF100 1 1.75/44.5 3.38/85.7 — 0.66/16.7
UNFL50 1/2 1.19/30.2 3.94/100.0 — 1.00/25.4
UNFL75 3/4 1.44/36.5 4.13/104.8 — 1.09/27.8
UNFL100 1 1.75/44.5 4.75/120.7 — 1.34/34.1
Fittings
Fittings: Hazardous Conduit Fittings
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© September 2010
164
UNY and UNF Expansion Unions
Explosionproof, Dust-Ignitionproof
UNILETS
®
for Use with Threaded Rigid Metal Conduit and IMC.