Cut Sheet

NEC/CEC:
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 in Millimeters (Inches)
Catalog Number
Size
(Inches) A
B (Overall Length
at Max. Expansion) C
D
(Maximum Expansion)
UNY50 1/2 30.2 (1.19) 78.9 (3.88) 58.7 (2.31) 12.7 (0.50)
UNY75 3/4 36.5 (1.44) 83.3 (3.28) 61.9 (2.44) 13.5 (0.53)
UNY100 1 44.5 (1.75) 93.2 (3.67) 68.3 (2.69) 16.7 (0.66)
UNYL50 1/2 30.2 (1.19) 104.4 (4.11) 84.1 (3.31) 25.4 (1.00)
UNYL75 3/4 36.5 (1.44) 108.7 (4.28) 87.3 (3.44) 27.8 (1.09)
UNYL100 1 44.5 (1.75) 126.5 (4.98) 101.6 (4.00) 34.1 (1.34)
UNF50 1/2 30.2 (1.19) 74.6 (2.94) — 12.7 (0.50)
UNF75 3/4 36.5 (1.44) 77.8 (3.06) — 13.5 (0.53)
UNF100 1 44.5 (1.75) 85.7 (3.38) — 16.7 (0.66)
UNFL50 1/2 30.2 (1.19) 100.0 (3.94) — 25.4 (1.00)
UNFL75 3/4 36.5 (1.44) 104.8 (4.13) — 27.8 (1.09)
UNFL100 1 44.5 (1.75) 120.7 (4.75) — 34.1 (1.34)
Fittings
NEC/CEC CLASS/ZONE RATED HAZARDOUS LOCATION CONDUIT FITTINGS
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© May 2014
235
UNY and UNF Expansion Unions
Explosionproof, Dust-Ignitionproof
UNILETS
®
for Use with Threaded Rigid Metal Conduit and IMC.