Killark-Hubbell Electrical Products GU SERIES, UN SERIES Catalog Page
KILLARK FITTINGS
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GU/UN SERIES
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UNIONS
• GUF/GUM/ UNF/UNY 1/2”, 3/4”, & 1”
Class I, Div. 1 & 2, Groups A,B,C,D
Class I, Zone I, IIC, IIB, IIA
Class I, Zone 1, Groups IIC, IIB, IIA
Class II, Div. 1 & 2, Groups E,F,G
Class III
GUF-8GUF-2
UNF2
Female to Female
GUM-2
UNY2UN Y4
Male to Female
GUML-2
GUML-2M
90° Elbow Union
• GUF/GUM/UNF/ UNY 1-1/4” through 4”
Class I, Div. 1 & 2, Groups C,D
Class I, Zone I, IIB, II A
Class I, Zone 1, Groups IIB, II A
Class II, Div. 1 & 2, Groups E,F,G
Class III
File No. E 10514
Certified File No. LR11716
FEATURES-SPECIFICATIONS
Applications
• GUF/GUM or UNF/UNY unions are used to
connect two pieces of conduit or attach
conduit to junction boxes, fittings, or
devices
• Permits removal of equipment without
turning or removal of conduit
Features
• Threaded for rigid conduit or IMC
• Tapered threads (NPT)
• Strong and durable construction
Material/Finish
Copper-free Aluminum
(less than 4/10 of 1%)
• Natural Finish
• 1/2” - 2” screw machine
• 2-1/2” - 4” cast
Iron – 1-1/4”- 4”
Steel – 1/2”, 3/4”, 1”
• Zinc electro-plate
Third-Party Standards
UL Standards 886 and 1203
CSA Standard C22.2 No. 30
For ATEX and IEC Ex certified Unions, see
following page.
FEMALE TO FEMALE
CAT. NO.
KILLARK
ALUM.
GUF -1j
GUF-2j
GUF-3j
GUF-4 1-1/4” 2-3/8”(6 0) 2-1/2”(63) UNF4 1-1/4” 2-27/32”(72) 2-1/ 4” (5 7 )
GUF-5 1-1/2” 2-5/8”(67) 2-1/2”(63) UNF5 1-1/2” 3-3 /32”(79) 2-7/16”(62)
GUF-6 2” 3-1/4 ”(82 ) 2-5/8”(67) UNF6 2” 3-3 /4”(95) 2-5/8”(67)
GUF -7 2-1/2” 4-1/ 2”(114) 3”(76) UNF7 2-1/ 2” 4 -1/ 2”(114) 3”(76)
GUF-8 3” 5-3/8”(136) 3-1/16”(78) UNF8 3” 5-3/8”(136) 3-1/16”(78)
GUF-9 3-1/ 2” 6 -1/ 4”(15 9) 3-9/16”(90) UNF9 3-1/ 2 ” 6 -1/ 4”(15 9) 3-9/16”(90)
GUF-0 4” 6-1/4”(15 9) 3-9/16”(90) UNF0 4” 6 -1/4”( 15 9) 3-9/16”(90)
HUB
SIZE
1/2” 1-7/16”(37 ) 1-7/8 ”(4 8)
3/4” 1-5/8”(41) 1-15/16”(49)
1” 2”(51) 2-29/64”(62)
DIMENSIONS CAT. NO.
A DIAMETER B LENGTH
STEEL/
IRON
UNF1j
UNF2j
UNF3j
HUB
SIZE
1/2” 1-1/ 2”(3 7) 1-55/64”(47)
3/4” 1-3/4”(45) 1-59/64”(49)
1” 2”(51) 2-7/16”(62)
DIMENSIONS
A DIAMETER B LENGTH
MALE TO FEMALE
GUM -1j
GUM-2j
GUM-3j
GUM-4 1-1/4” 2-3/8”(6 0) 3-1/4”(83) U NY4 1-1/4” 2-15/16”(75) 3 -1/4”(83)
GUM-5 1-1/2” 2-5/8”(67) 3-1/4”(83) UNY5 1-1/ 2” 3-3/16”(81) 3 -1/ 2”(8 9)
GUM-6 2” 3 -1/ 4”(8 2) 3-5/8”(92) UNY6 2” 3-3/4”(9 5) 4”(102)
GUM -7 2-1/2” 4-1/ 2”(114) 4-15/16”(125) UNY7 2 -1/ 2” 4-1/ 2”(114) 4-15/16”(125)
GUM-8 3” 5-3/8”(136) 5-7/ 32 ”(13 3) UNY8 3” 5 -3 /8 ”(13 3) 5-7/3 2”(133)
GUM-9 3-1/ 2” 6 -1/ 4”(15 9) 5 -13 /16”(148) UNY9 3-1/ 2” 6-1 /4 ”(159) 5-13 /16”(148 )
GUM-0 4” 6-1/4”(159 ) 5 -13/16”(148 ) UNY0 4” 6 -1/4”(15 9) 5-13/ 16”(148)
1/2” 1-7/16”(37 ) 2-1/2”(64)
3/4” 1-5/8”(41) 2-9/16”(65)
1” 2”(51) 3-3 /6 4”(77)
UNY1j
UNY2j
UNY3j
1/2” 1-1/ 2”(3 7) 2-9/16”(65)
3/4” 1-3/4”(45) 2-5/8”(67)
1” 2-1/3 2”(5 2) 3-5/64”(78)
90° ANGLE UNION
CAT. NO.
KILLARK
ALUM.
GUM L-1 1/2” 2-1/2” (64) 1-7/16” ( 37 ) 1-3/4” (44) GUM L-1M 1/2” 2-1/4” (32) 1-1/ 2” (38) 1-5/8” (42)
GUML-2 3/4” 2” (51) 1-5/8” (42) 1-5/8” (42) GUML-2M 3/4” 2-1/4” (32) 1-3/4” (44) 2” (51)
j UL & CSA suitable for Class I, Groups A, B, C, D.
HUB
SIZE
DIMENSIONS CAT. NO.
A DIA. B LENGTH C
STEEL/
IRON
HUB
SIZE
A DIA. B LENGTH C
DIMENSIONS
Dimensions
GUF UNYUNF GUMLGUM
GUF-8GUF-2
UNF2
Female to Female
UNIONS - ATEX/IEC Ex CERTIFIED
GUM-2
UNY2UN Y4
Male to Female
GUML-2
GUML-2M
90° Elbow Union
KILLARK FITTINGS
GU/UN SERIES
Global Listings
ATEX / IEC Ex Certified
File nos. ITS09ATEX16417U
IECExITS09.0024U
II2G
Ex d IIC
File No. E 10514
Certified File No. LR11716
See previous page for UL and CSA
suitabilities
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FEATURES-SPECIFICATIONS
Applications
• GUF/GUM or UNF/UNY unions are used to
connect two pieces of conduit or attach
conduit to junction boxes, fittings, or
devices
• Permits removal of equipment without
turning or removal of conduit
Features
• Threaded for rigid conduit or IMC
• Tapered threads (NPT)
• Strong and durable construction
Material/Finish
Copper-free Aluminum
(less than 4/10 of 1%)
• Natural Finish
• 1/2” - 2” screw machine
• 2-1/2” - 4” cast
Iron – 1-1/4”- 4”
Steel – 1/2”, 3/4”, 1”
• Zinc electro-plate
Third-Party Standards
UL Standards 886 and 1203
CSA Standard C22.2 No. 30
For NON-ATEX and IEC Ex certified Unions,
see previous page.
FEMALE TO FEMALE - QUAD LISTED
CAT. NO.
KILLARK
ALUM.
GUF -1-EXj
GUF-2-EXj
GUF-3-EXj
GUF-4-EX 1-1/4” 2-3/8”(60) 2-1/2”(63) UNF4-EX 1-1/4” 2-27/32”(72) 2-1/4 ”(57 )
GUF-5-EX 1-1/ 2” 2-5/8”(67) 2-1/2”(63) UNF5-EX 1-1/2” 3-3 /32”(79) 2-7/16”(62 )
GUF-6-EX 2” 3 -1/4”(8 2) 2-5/8”(67) UNF6-EX 2” 3 -3/4”(95) 2-5/8”(67)
GUF -7-EX 2-1/ 2” 4-1/ 2”(114) 3”(76) UNF 7-E X 2 -1/ 2” 4-1/ 2 ”(114) 3”( 76)
GUF-8-EX 3” 5-3/8”(136) 3-1/16”(78) UNF8-EX 3” 5-3/8”(136) 3-1/16”(78)
GUF-9-EX 3 -1/ 2” 6-1/4”( 15 9) 3-9/16”(90) UNF9-EX 3-1/ 2” 6-1 /4 ”(159) 3-9/16”(90)
GUF-0-EX 4” 6 -1/ 4”(15 9) 3-9/16”(90) UNF0-EX 4” 6 -1/ 4” (15 9) 3-9/16”(90)
HUB
SIZE
1/2” 1-7/16”(37 ) 1-7/8 ”(4 8)
3/4” 1-5/8”(41) 1-15/16”(49)
1” 2”(51) 2-29/64”(62)
DIMENSIONS CAT. NO.
A DIAMETER B LENGTH
STEEL/
IRON
UNF1-EXj
UNF2-E Xj
UNF3-EXj
HUB
SIZE
1/2” 1-1/ 2”(3 7) 1-55/64”(47)
3/4” 1-3/4”(45) 1-59/64”(49)
1” 2”(51) 2-7/16”(62)
DIMENSIONS
A DIAMETER B LENGTH
MALE TO FEMALE - QUAD LISTED
GUM-1-EXj
GUM-2-EXj
GUM-3-EXj
GUM-4-EX
GUM-5-EX
GUM-6-EX
GUM-7-EX
GUM-8-EX
GUM-9-EX
GUM-0-EX
1/2” 1-7/16”(37 ) 2-1/2”(64)
3/4” 1-5/8”(41) 2-9/16”(65)
1” 2”(51) 3-3 /6 4”(77)
1-1/4” 2-3/8”(6 0) 3-1/4”(83) UNY4-EX 1-1 /4 ” 2-15/16”(75) 3-1/4”(83)
1-1/ 2” 2-5/8”(67) 3-1/4”(83) UNY5-EX 1-1/ 2” 3-3/16”(81) 3 -1/ 2”(8 9)
2” 3 -1/4”(82) 3-5/8”(92) UNY6-EX 2” 3-3/4”(95) 4”(10 2)
2-1/2 ” 4-1/ 2”(114 ) 4-15/16”(125) UNY7-EX 2-1/2” 4-1/2”(114) 4-15/16”(125)
3” 5-3/8”(136) 5-7/32”(13 3) UNY8-EX 3” 5-3/8”(13 3) 5-7/32”(133)
3-1/2” 6-1/4 ”(159) 5-13 /16”(148 ) UNY9-EX 3-1 /2” 6-1/4”( 159) 5-13/ 16”(148)
4” 6-1 /4 ”(159) 5-13 /16” (148 ) UNY0-EX 4” 6-1/4”(15 9) 5-13/ 16”(148)
UNY1-EXj
UNY2-EXj
UNY3-EXj
1/2” 1-1/ 2”(3 7) 2-9/16”(65)
3/4” 1-3/4”(45) 2-5/8”(67)
1” 2-1/3 2”(5 2) 3-5/64”(78)
90° ANGLE UNION - QUAD LISTED
CAT. NO.
KILLARK
ALUM.
GUM L-1-EX
GUML-2-EX
j UL & CSA suitable for Class I, Groups A, B, C, D.
HUB
SIZE
1/2” 2-1/2” (64) 1-7/ 16” (37) 1- 3/4” (4 4)
3/4” 2” (51) 1-5/8” (42) 1-5/8” (42)
DIMENSIONS CAT. NO.
A DIA. B LENGTH C
STEEL/
IRON
GUML-1M-EX
GUML-2M-EX
HUB
SIZE
1/2” 2-1/4” (32) 1-1/ 2” (38) 1-5/8” (42)
3/4” 2-1/4” (32) 1-3 /4” (44) 2” (51)
DIMENSIONS
A DIA. B LENGTH C
Dimensions
GUF UNYUNF GUMLGUM
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