5.53
Husky TroughFlange In
In Steel & Aluminum
Selection Tables Pg. 53Alum. Vent. Numbering System Pg. 54Alum. Vent. Loading Tables Pgs. 55-57Alum. Solid Numbering System Pg. 58Alum. Solid Loading Tables Pgs. 59-60Steel Vent. Numbering System Pg. 61Steel Vent. Loading Tables Pgs. 62-66Steel Solid Numbering System Pg. 67Steel Solid Loading Tables Pgs. 68-7268-72
Husky Trough matches Husky Flange In Ladder in most respects, except it has a continuous bottom or 4” rung spacing.
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SELECTION TABLES
Aluminum Steel
With a corrugated bottom that is 3 times stronger and 21 times stiffer than 14 GA. flat sheet bottoms. Husky Trough is the tray of
choice for instrumentation, data transmission, and control cables.
Selection Tables (For actual loading capacity see Load Tables in this section)
NEMAClass
NEMA Load (lbs./
Span ft.)Tray
HeightLoad
Depth
Top Flange Width
Prefix Vent
Bottom
Prefix Solid
BottomTray
HeightLoad
Depth
Top Flange Width
Prefix Vent Bottom
Prefix Solid Bottom
8A 50/8 4.506.00
4.065.53
.75
.75AJAAMB
ASJAASMB
3.3754.006.00
2.943.575.57
.75
.75
.75
SH,PHSJ,PJ
SM,PM
SSH,PSHSSJ,PSJ
SSM,PSM
8B 75/8 4.506.00
4.065.53
.75
.75AJAAMB
ASJAASMB
3.3754.006.00
2.943.575.57
.75
.75
.75
SH,PHSJ,PJ
SM,PM
SSH,PSHSSJ,PSJ
SSM,PSM
8C 100/8 4.506.00
4.065.53
.75
.75AJAAMB
ASJAASMB
3.3754.006.00
2.943.575.57
.75
.75
.75
SH,PHSJ,PJ
SM,PM
SSH,PSHSSJ,PSJ
SSM,PSM
12A 50/12 4.506.00
4.065.53
.75
.75AJAAMB
ASJAASMB
3.3754.006.00
2.943.575.57
.75
.75
.75
SH,PHSJ,PJ
SM,PM
SSH,PSHSSJ,PSJ
SSM,PSM
12B 75/12 4.506.00
4.045.53
.75
.75AJBAMB
ASJBASMB
3.754.006.00
2.943.575.57
.75
.75
.75
SH,PHSJ,PJ
SM,PM
SSH,PSHSSJ,PSJ
SSM,PSM
12C 100/124.506.00
4.035.52
1.501.75
AYAAXA
ASYAASXA
4.506.006.007.00
4.075.575.576.57
.75
.75
.75
.75
SJC,PJCSM,PM
SMD,PMDSMD7,PMD7
SSJC,PSJCSSM,PSM
SSMD,PSMDSSMD7,PSMD7
12C+ 100+/12 4.506.004.035.52
1.501.75
AYAAXA
ASYAASXA 7.00 6.57 .75
SMD74,PMD74 SSMD74,PSMD74
16A 50/164.506.25
4.035.52
1.501.75
AYAAXA
ASYAASXA
4.506.257.00
4.075.826.00
1.751.751.75
SYD,PYDSXB,PXB
SXB7,PXB7
SSYD,PSYDSSXB,PSXB
SSXB7,PSXB7
16B 75/164.506.25
4.035.52
1.501.75
AYAAXA
ASYAASXA
4.506.257.00
4.075.826.00
1.751.751.75
SYD,PYDSXB,PXB
SXB7,PXB7
SSYD,PSYDSSXB,PSXB
SSXB7,PSXB7
16C 100/16 6.00 5.50 1.75 AX ASX 6.257.00
5.826.00
1.751.75
SXB,PXBSXB7,PXB7
SSXB,PSXBSSXB7,PSXB7
20A 50/204.506.00
4.035.52
1.501.75
AYAAXA
ASYAASXA
4.506.257.00
4.075.826.00
1.751.751.75
SYD,PYDSXB,PXB
SXB7,PXB7
SSYD,PSYDSSXB,PSXB
SSXB7,PSXB7
20B 75/20 6.007.00
5.506.50
1.751.75
AXAX7
ASXASX7
6.257.00
5.826.00
1.751.75
SXB,PXBSXB7,PXB7
SSXB,PSXBSSXB7,PSXB7
20C 100/20 6.007.00
5.506.50
1.751.75
AX1AX71
ASX1ASX71
6.257.00
5.806.00
1.751.75
SXC,PXCSXC7,PXC7
SSXC,PSXCSSXC7,PSXC7
20C+ 100+/20 6.25 5.80 1.75 SXD,PXD SSXD,PSXD
24C 100/24 6.25 5.80 1.75 SXD,PXD SSXD,PSXD
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Aluminum Ventilated Trough Numbering System
Other Technical DataDepth:4-1/2, 6 & 7 inches nominalFittings:12, 24, or 36 inch standard radii (See the Fittings Section 9 of this catalog) Trough Bottoms:All troughs 6” - 24” wide have corrugated ventilated bottoms. 30” and 36” wide have 4” rung spacing. Splice Plates:Straight sections and fittings are supplied with splice plates and hardware.Safety Factor:1.5 NEMA Standard
(For other tray sizes or specifications, please consult the factory)
Bottom Dimensions
AJA-24-144
Materials:A=Aluminum
S=HDGAF SteelP=Mill-Galv. Steel
BottomLeave this space
blank for 6”-24” WideVentilated TroughInsert “4” for 4”
Rung Spacing 30” & 36” wide Ventilated
Trough
Tray Types:Aluminum
JA, JB, MB, YA, XA, X, X1, X7, X71,
Widths:6”9”12”18”24”30”36”
Lengths:JA, JB, MB
available in 10’ (120”) & 12’ (144”) only
All others available in 10’ (120”), 12’ (144”),
20’ (240”) & 24’ (288”)
A ( ) JA- 24- 144
Material Bottom Tray TypeWidth in Inches
Length in Inches
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Span (ft.) 4 6 8 10 12
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 540 0.15 240 0.34 135 0.61 86 0.96 60 1.38
9 540 0.15 240 0.34 135 0.61 86 0.96 60 1.38
12 457* 0.13 240 0.34 135 0.61 86 0.96 60 1.38
18 305* 0.09 240 0.34 135 0.61 86 0.96 60 1.38
24 229* 0.07 229* 0.32 135 0.61 86 0.96 60 1.38
30 540 0.15 240 0.34 135 0.61 86 0.96 60 1.38
36 540 0.15 240 0.34 135 0.61 86 0.96 60 1.38
Span (ft.) 4 6 8 10 12
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 675 0.14 300 0.32 169 0.57 108 0.89 75 1.28
9 610* 0.13 300 0.32 169 0.57 108 0.89 75 1.28
12 457* 0.10 300 0.32 169 0.57 108 0.89 75 1.28
18 305* 0.06 300 0.32 169 0.57 108 0.89 75 1.28
24 229* 0.05 229* 0.24 169 0.57 108 0.89 75 1.28
30 675 0.14 300 0.32 169 0.57 108 0.89 75 1.28
36 675 0.14 300 0.32 169 0.57 108 0.89 75 1.28
Span (ft.) 12 14 16 18 20
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 139 1.63 102 2.22 78 2.90 62 3.67 50 4.53
9 139 1.63 102 2.22 78 2.90 62 3.67 50 4.53
12 139 1.63 102 2.22 78 2.90 62 3.67 50 4.53
18 139 1.63 102 2.22 78 2.90 62 3.67 50 4.53
24 139 1.63 102 2.22 78 2.90 62 3.67 50 4.53
30 139 1.63 102 2.22 78 2.90 62 3.67 50 4.53
36 139 1.63 102 2.22 78 2.90 62 3.67 50 4.53
A JA 6-24 in onlyUse AJA fitting
NEMA 12A/CSA C
A JB4
6-24 in onlyUse AJB fittings
NEMA 12B/CSA C
A YA4
NEMA 20A, 16B, 12C/CSA D
A JA4 30 & 36 in only Use A4JA fittings
A JB30 & 36 in onlyUse A4JB fittings
A YA 6-24 in onlyUse AYA fittings30 & 36 in onlyUse A4YA fittings
Span (ft.) 4 6 8 10 12
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 675 0.06 300 0.15 169 0.27 108 0.43 75 0.62
9 610* 0.05 300 0.15 169 0.27 108 0.43 75 0.62
12 457* 0.04 300 0.15 169 0.27 108 0.43 75 0.62
18 305* 0.03 300 0.15 169 0.27 108 0.43 75 0.62
24 229* 0.02 229* 0.11 169 0.27 108 0.43 75 0.62
30 675 0.06 300 0.15 169 0.27 108 0.43 75 0.62
36 675 0.06 300 0.15 169 0.27 108 0.43 75 0.62
A MB4
NEMA 12B
A MB 6-24 in onlyUse AMB fittings30 & 36 in onlyUse A4MB fittings
Loading Tables for Aluminum Ventilated Trough
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Span (ft.) 12 14 16 18 20
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 208 0.92 153 1.26 117 1.64 93 2.08 75 2.56
9 208 0.92 153 1.26 117 1.64 93 2.08 75 2.56
12 208 0.92 153 1.26 117 1.64 93 2.08 75 2.56
18 208 0.92 153 1.26 117 1.64 93 2.08 75 2.56
24 208 0.92 153 1.26 117 1.64 93 2.08 75 2.56
30 208 0.92 153 1.26 117 1.64 93 2.08 75 2.56
36 208 0.92 153 1.26 117 1.64 93 2.08 75 2.56
A X4
NEMA 20B, 16C, 12C
A XA4
NEMA 20A, 16B, 12C
Span (ft.) 12 14 16 18 20
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 144 0.87 106 1.19 81 1.56 64 1.97 52 2.43
9 144 0.87 106 1.19 81 1.56 64 1.97 52 2.43
12 144 0.87 106 1.19 81 1.56 64 1.97 52 2.43
18 144 0.87 106 1.19 81 1.56 64 1.97 52 2.43
24 144 0.87 106 1.19 81 1.56 64 1.97 52 2.43
30 144 0.87 106 1.19 81 1.56 64 1.97 52 2.43
36 144 0.87 106 1.19 81 1.56 64 1.97 52 2.43
A XA30 & 36 in onlyUse A4X fittings
6-24 in onlyUse AX fittings30 & 36 in onlyUse A4X fittings
A X
6-24 in only Use AX fittings
A X14
NEMA 20C+, 16C, 12C
Span (ft.) 12 14 16 18 20
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 314 1.27 231 1.73 177 2.26 140 2.86 113 3.53
9 314 1.27 231 1.73 177 2.26 140 2.86 113 3.53
12 314 1.27 231 1.73 177 2.26 140 2.86 113 3.53
18 305* 1.23 231 1.73 177 2.26 140 2.86 113 3.53
24 229* 0.93 229* 1.72 177 2.26 140 2.86 113 3.53
30 314 1.27 231 1.73 177 2.26 140 2.86 113 3.53
36 314 1.27 231 1.73 177 2.26 140 2.86 113 3.53
A X16-24 in onlyUse AX fittings
30 & 36 in onlyUse A4X fittings
A X74
NEMA 20B+, 16C, 12C
Span (ft.) 12 14 16 18 20
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 247 0.69 182 0.94 139 1.22 110 1.55 89 1.93
9 247 0.69 182 0.94 139 1.22 110 1.55 89 1.93
12 247 0.69 182 0.94 139 1.22 110 1.55 89 1.93
18 247 0.69 182 0.94 139 1.22 110 1.55 89 1.93
24 229* 0.64 182 0.94 139 1.22 110 1.55 89 1.93
30 247 0.69 182 0.94 139 1.22 110 1.55 89 1.93
36 247 0.69 182 0.94 139 1.22 110 1.55 89 1.93
A X76-24 in onlyUse AX7 fittings30 & 36 in onlyUse A4X7 fittings
Loading Tables for Aluminum Ventilated Trough
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Part # AMB-24-144
A X714
NEMA 20A, 16B, 12C
Span (ft.) 12 14 16 18 20
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 278 0.69 204 0.94 156 1.23 123 1.56 100 1.92
9 278 0.69 204 0.94 156 1.23 123 1.56 100 1.92
12 278 0.69 204 0.94 156 1.23 123 1.56 100 1.92
18 278 0.69 204 0.94 156 1.23 123 1.56 100 1.92
24 229* 0.57 204 0.94 156 1.23 123 1.56 100 1.92
30 278 0.69 204 0.94 156 1.23 123 1.56 100 1.92
36 278 0.69 204 0.94 156 1.23 123 1.56 100 1.92
A X71 6-24 in onlyUse AX7 fittings30 & 36 in onlyUse A4X7 fittings
Example:
A ( ) MB- 24- 144
Material Bottom Tray TypeWidth in Inches Bottom
USE COLOR CODING TO ASSEMBLE PART NUMBER
Span length is indicated in feet. All other dimensions are in inches.*Indicates that the load is limited by the load carrying capacity of the transverse member.(“4” indicates 4” Rung Spacing on 30” & 36” Wide)
Loading Tables for Aluminum Ventilated Trough
( ) = use blank for 6-24” wideInsert 4 for 30” wide or larger
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Aluminum Solid Bottom Trough Numbering System
Other Technical DataDepth:4-1/2, 6 & 7 inches nominalFittings:12, 24, or 36 inch standard radii (See the Fittings Section 9 of this catalog) Trough Bottoms:All troughs 6” - 24” wide have solid corrugated bottoms. 30” and 36” wide have (-06C) solid bottom. Splice Plates:Straight sections and fittings are supplied with splice plates and hardware.Safety Factor:
1.5 NEMA Standard
(For other tray sizes or specifications, please consult the factory)
Bottom Dimensions
ASJA-30-144
Materials:A=Aluminum
S=HDGAF SteelP=Mill-Galv. Steel
BottomS= Solid Bottom
Tray Types:Aluminum
JA, JB, MB, YA, XA, X, X1, X7,
X71
Widths:6”9”12”18”24”30”36”
Lengths:JA, JB, MB available in 10’ (120”) & 12’ (144”)
only
All others available in 10’ (120”), 12’ (144”), 20’ (240”) & 24’ (288”)
Add (–06C) to 30 & 36 in Wide Only
A S JA- 30- 144 -06C
Material BottomTypeTrayType
Widthin Inches
Lengthin Inches
For 30” & 36”
Wide Only
(Optional Steel Rung)
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Span (ft.) 4 6 8 10 12Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 540 0.15 240 0.34 135 0.61 86 0.96 60 1.38
9 540 0.15 240 0.34 135 0.61 86 0.96 60 1.38
12 540 0.15 240 0.34 135 0.61 86 0.96 60 1.38
18 464* 0.13 240 0.34 135 0.61 86 0.96 60 1.38
24 348* 0.10 240 0.34 135 0.61 86 0.96 60 1.38
30** 540 0.15 240 0.34 135 0.61 86 0.96 60 1.38
36** 540 0.15 240 0.34 135 0.61 86 0.96 60 1.38
Span (ft.) 4 6 8 10 12
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 675 0.14 300 0.32 169 0.57 108 0.89 75 1.28
9 675 0.14 300 0.32 169 0.57 108 0.89 75 1.28
12 675 0.14 300 0.32 169 0.57 108 0.89 75 1.28
18 464* 0.10 300 0.32 169 0.57 108 0.89 75 1.28
24 348* 0.07 300 0.32 169 0.57 108 0.89 75 1.28
30** 675 0.14 300 0.32 169 0.57 108 0.89 75 1.28
36** 675 0.14 300 0.32 169 0.57 108 0.89 75 1.28
Span (ft.) 12 14 16 18 20
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 139 1.63 102 2.22 78 2.90 62 3.67 50 4.53
9 139 1.63 102 2.22 78 2.90 62 3.67 50 4.53
12 139 1.63 102 2.22 78 2.90 62 3.67 50 4.53
18 139 1.63 102 2.22 78 2.90 62 3.67 50 4.53
24 139 1.63 102 2.22 78 2.90 62 3.67 50 4.53
30** 139 1.63 102 2.22 78 2.90 62 3.67 50 4.53
36** 139 1.63 102 2.22 78 2.90 62 3.67 50 4.53
NEMA 12A/CSA C
A JBS Use ASJB fittings
NEMA 12B/CSA C
A YAS
NEMA 20A, 16B, 12C/CSA D
A JAS
Use ASYA fittings
Use ASJA fittings
Example:
**Span (ft.) 4 6 8 10 12
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 675 0.06 300 0.15 169 0.27 108 0.43 75 0.62
9 675 0.06 300 0.15 169 0.27 108 0.43 75 0.62
12 675 0.06 300 0.15 169 0.27 108 0.43 75 0.62
18 464* 0.04 300 0.15 169 0.27 108 0.43 75 0.62
24 348* 0.03 300 0.15 169 0.27 108 0.43 75 0.62
30** 675 0.06 300 0.15 169 0.27 108 0.43 75 0.62
36** 675 0.06 300 0.15 169 0.27 108 0.43 75 0.62
A MBS
NEMA 12B
Use ASMB fittings
Loading Tables for Aluminum Solid Bottom Trough
Part # ASMB-24-144
USE COLOR CODING TO ASSEMBLE PART NUMBER
A S MB- 24- 144
Material Solid Bottom Tray TypeWidth in Inches
Length in Inches
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Span (ft.) 12 14 16 18 20Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 208 0.92 153 1.26 117 1.64 93 2.08 75 2.56
9 208 0.92 153 1.26 117 1.64 93 2.08 75 2.56
12 208 0.92 153 1.26 117 1.64 93 2.08 75 2.56
18 208 0.92 153 1.26 117 1.64 93 2.08 75 2.56
24 208 0.92 153 1.26 117 1.64 93 2.08 75 2.56
30** 208 0.92 153 1.26 117 1.64 93 2.08 75 2.56
36** 208 0.92 153 1.26 117 1.64 93 2.08 75 2.56
A XS
NEMA 20B, 16C, 12C
A XAS
NEMA 20A, 16B, 12C
Use ASX fittings
Use ASX fittings
Span (ft.) 12 14 16 18 20
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl6 144 0.87 106 1.19 81 1.56 64 1.97 52 2.43
9 144 0.87 106 1.19 81 1.56 64 1.97 52 2.43
12 144 0.87 106 1.19 81 1.56 64 1.97 52 2.43
18 144 0.87 106 1.19 81 1.56 64 1.97 52 2.43
24 144 0.87 106 1.19 81 1.56 64 1.97 52 2.43
30** 144 0.87 106 1.19 81 1.56 64 1.97 52 2.43
36** 144 0.87 106 1.19 81 1.56 64 1.97 52 2.43
A X1S
NEMA 20C+, 16C, 12C
Span (ft.) 12 14 16 18 20
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl6 314 1.27 231 1.73 177 2.26 140 2.86 113 3.53
9 314 1.27 231 1.73 177 2.26 140 2.86 113 3.53
12 314 1.27 231 1.73 177 2.26 140 2.86 113 3.53
18 314 1.27 231 1.73 177 2.26 140 2.86 113 3.53
24 314 1.27 231 1.73 177 2.26 140 2.86 113 3.53
30** 314 1.27 231 1.73 177 2.26 140 2.86 113 3.53
36** 314 1.27 231 1.73 177 2.26 140 2.86 113 3.53
Use ASX fittings
A X7S
NEMA 20B, 16C, 12C
Span (ft.) 12 14 16 18 20
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl6 247 0.69 182 0.94 139 1.22 110 1.55 89 1.93
9 247 0.69 182 0.94 139 1.22 110 1.55 89 1.93
12 247 0.69 182 0.94 139 1.22 110 1.55 89 1.93
18 247 0.69 182 0.94 139 1.22 110 1.55 89 1.93
24 247 0.69 182 0.94 139 1.22 110 1.55 89 1.93
30** 247 0.69 182 0.94 139 1.22 110 1.55 89 1.93
36** 247 0.69 182 0.94 139 1.22 110 1.55 89 1.93
Use ASX7 fittings
A X71S
NEMA 20C 16C, 12C
Span (ft.) 12 14 16 18 20
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl6 278 0.69 204 0.94 156 1.23 123 1.56 100 1.92
9 278 0.69 204 0.94 156 1.23 123 1.56 100 1.92
12 278 0.69 204 0.94 156 1.23 123 1.56 100 1.92
18 278 0.69 204 0.94 156 1.23 123 1.56 100 1.92
24 278 0.69 204 0.94 156 1.23 123 1.56 100 1.92
30** 278 0.69 204 0.94 156 1.23 123 1.56 100 1.92
36** 278 0.69 204 0.94 156 1.23 123 1.56 100 1.92
Use ASX7 fittings
Loading Tables for Aluminum Solid Bottom Trough
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Steel Ventilated Trough Numbering System
Other Technical DataDepth:3-3/8, 4, 6 & 7 inches nominalFittings:12, 24, or 36 inch standard radii (See the Fittings Section 9 of this catalog) Trough Bottoms:All troughs 6” - 24” wide have ventilated corrugated bottoms. 30” and 36” wide have 4” rung spacing. Splice Plates:Straight sections and fittings are supplied with splice plates and hardware.Safety Factor:1.5 NEMA Standard
(For other tray sizes or specifications, please consult the factory)
Bottom Dimensions
SJ-24-144
Materials:A=Aluminum
S=HDGAF SteelP=Mill Galv. Steel
BottomLeave this space blank for 6”-24”
Wide Ventilated TroughInsert “4” for 4”
Rung Spacing 30” & 36” Wide Ventilated
Trough
Tray Types:Steel
H, J, JC, M, MD, YD, XB,XB7,XC,XC7, XD, MD7, MD74
Widths:6”9”12”18”24”30”36”
Lengths:H, J, JC, M, MD, MD7 and MD74 available in 10’ (120”) & 12’
(144”) only
All others available in 10’ (120”), 12’ (144”),
20’ (240”) & 24’ (288”)
S ( ) J- 24- 144
Material Bottom Tray TypeWidth in Inches
Length in Inches
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Span (ft.) 4 6 8 10 12
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 689 0.15 306 0.35 172 0.62 110 0.97 76 1.40
9 689 0.15 306 0.35 172 0.62 110 0.97 76 1.40
12 689 0.15 306 0.35 172 0.62 110 0.97 76 1.40
18 490* 0.11 306 0.35 172 0.62 110 0.97 76 1.40
24 367* 0.08 306 0.35 172 0.62 110 0.97 76 1.40
30 516* 0.11 306 0.35 172 0.62 110 0.97 76 1.40
36 430* 0.09 306 0.35 172 0.62 110 0.97 76 1.40
Span (ft.) 4 6 8 10 12
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 749 0.11 333 0.24 187 0.44 119 0.69 83 0.99
9 749 0.11 333 0.24 187 0.44 119 0.69 83 0.99
12 735* 0.11 333 0.24 187 0.44 119 0.69 83 0.99
18 490* 0.07 333 0.24 187 0.44 119 0.69 83 0.99
24 367* 0.05 333 0.24 187 0.44 119 0.69 83 0.99
30 516* 0.08 333 0.24 187 0.44 119 0.69 83 0.99
36 430* 0.06 333 0.24 187 0.44 119 0.69 83 0.99
Span (ft.) 4 6 8 10 12
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 990 0.10 440 0.23 248 0.41 158 0.65 110 0.94
9 980* 0.10 440 0.23 248 0.41 158 0.65 110 0.94
12 735* 0.07 440 0.23 248 0.41 158 0.65 110 0.94
18 490* 0.05 400 0.23 248 0.41 158 0.65 110 0.94
24 367* 0.04 367* 0.21 248 0.41 158 0.65 110 0.94
30 516* 0.05 440 0.23 248 0.41 158 0.65 110 0.94
36 430* 0.04 440 0.23 248 0.41 158 0.65 110 0.94
NEMA 12B
NEMA 12B/CSA C
NEMA 12C/CSA D on 3m
P H4
Use SH fittings
P H
S H4
S HHot Dip Galvanized After Fabrication
Mill-Galvanized
Use S4H fittings
Use PH fittings
Use P4H fittings
Use SJ fittings
P J
P J4
S JHot Dip Galvanized After Fabrication
Mill-Galvanized
Use S4J fittings
Use PJ fittings
Use P4J fittings
Use SJC fittings
P JC
P JC4
S JCHot Dip Galvanized After Fabrication
Mill-Galvanized
Use S4JC fittings
Use PJC fittings
Use P4JC fittings
Blue = Corrugated Bottom
Red = 4” Rung Spacing
Blue = Corrugated Bottom
Red = 4” Rung Spacing
Blue = Corrugated Bottom
Red = 4” Rung Spacing
S J4
S JC4
Loading Tables for Steel Ventilated Trough
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Span (ft.) 12 14 16 18 20
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 147 0.77 108 1.05 83 1.37 65 1.74 53 2.15
9 147 0.77 108 1.05 83 1.37 65 1.74 53 2.15
12 147 0.77 108 1.05 83 1.37 65 1.74 53 2.15
18 147 0.77 108 1.05 83 1.37 65 1.74 53 2.15
24 147 0.77 108 1.05 83 1.37 65 1.74 53 2.15
30 147 0.77 108 1.05 83 1.37 65 1.74 53 2.15
36 147 0.77 108 1.05 83 1.37 65 1.74 53 2.15NEMA 20A, 16B, 12C
Use SYD fittings
P YD
S YDHot Dip Galvanized After Fabrication
Mill-Galvanized
Use S4YD fittings
Use PYD fittings
Use P4YD fittings
Blue = Corrugated Bottom
Red = 4” Rung Spacing
Span (ft.) 4 6 8 10 12
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 1116 0.04 414 0.11 233 0.20 149 0.32 103 0.46
9 980* 0.04 414 0.11 233 0.20 149 0.32 103 0.46
12 735* 0.03 414 0.11 233 0.20 149 0.32 103 0.46
18 490* 0.02 414 0.11 233 0.20 149 0.32 103 0.46
24 367* 0.01 367* 0.10 233 0.20 149 0.32 103 0.46
30 516* 0.02 414 0.11 233 0.20 149 0.32 103 0.46
36 430* 0.02 414 0.11 233 0.20 149 0.32 103 0.46
NEMA 12C
Use SM fittingsS MHot Dip Galvanized After Fabrication
Mill-Galvanized
Use S4M fittings
Use PM fittings
Use P4M fittings
Blue = Corrugated Bottom
Red = 4” Rung Spacing
Span (ft.) 4 6 8 10 12
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 1116 0.02 496 0.12 279 0.22 179 0.35 124 0.51
9 980* 0.02 496 0.12 279 0.22 179 0.35 124 0.51
12 735* 0.01 496 0.12 279 0.22 179 0.35 124 0.51
18 490* 0.01 490* 0.12 279 0.22 179 0.35 124 0.51
24 367* 0.01 367* 0.09 279 0.22 179 0.35 124 0.51
30 516* 0.01 496 0.12 279 0.22 179 0.35 124 0.51
36 430* 0.01 430* 0.10 279 0.22 179 0.35 124 0.51NEMA 12C+
P MD4
Use SMD fittings
P MD
S MDHot Dip Galvanized After Fabrication
Mill-Galvanized
Use S4MD fittings
Use PMD fittings
Use P4MD fittings
Blue = Corrugated Bottom
Red = 4” Rung Spacing
S MD4
S M4
P M
P M4
P YD4
S YD4
Loading Tables for Steel Ventilated Trough
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Loading Tables for Steel Ventilated Trough
Use SMD7 fittings
3/4”
7”
Use S4MD7 fittings
Blue = Corrugated Bottom
Mill-Galvanized
P
P
S MD7S MD74
MD7
4 MD7
Use PMD7 fittingsUse P4MD7 fittings
Hot Dip Galvanized After Fabrication
NEMA 12C
Red = 4” Rung Spacing
Span (ft.) 4 6 8 10 12
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 900 0.03 400 0.07 225 0.12 144 0.19 100 0.28
9 900 0.03 400 0.07 225 0.12 144 0.19 100 0.28
12 735* 0.03 400 0.07 225 0.12 144 0.19 100 0.28
18 490* 0.02 400 0.07 225 0.12 144 0.19 100 0.28
24 367* 0.01 367* 0.06 225 0.12 144 0.19 100 0.28
30 516* 0.02 400 0.07 225 0.12 144 0.19 100 0.28
36 430* 0.01 400 0.07 225 0.12 144 0.19 100 0.28
Span (ft.) 12 14 16 18 20
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 236 0.71 173 0.97 133 1.27 105 1.61 85 1.99
9 236 0.71 173 0.97 133 1.27 105 1.61 85 1.99
12 236 0.71 173 0.97 133 1.27 105 1.61 85 1.99
18 236 0.71 173 0.97 133 1.27 105 1.61 85 1.99
24 236 0.71 173 0.97 133 1.27 105 1.61 85 1.99
30 236 0.71 173 0.97 133 1.27 105 1.61 85 1.99
36 236 0.71 173 0.97 133 1.27 105 1.61 85 1.99
NEMA 20B, 16C
Use SXB fittings
P XB
S XB4
S XB
Mill-Galvanized
Use S4XB fittings
Blue = Corrugated Bottom
Red = 4” Rung Spacing
Use PXB fittings
Use P4XB fittingsP XB4
7”
3/4”
Blue = Corrugated Bottom
Mill-Galvanized
Use SMD74 fittings
P
S
S 4
MD74 Use PMD74 fittingsUse P4MD74 fittings
Hot Dip Galvanized After Fabrication
NEMA 12C+
Red = 4” Rung Spacing
MD74 Use S4MD74 fittings
Span (ft.) 4 6 8 10 12
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 1469* 0.07 840 0.12 473 0.21 302 0.33 210 0.47
9 980* 0.05 840 0.12 473 0.21 302 0.33 210 0.47
12 735* 0.04 735* 0.11 473 0.21 302 0.33 210 0.47
18 490* 0.02 490* 0.07 473 0.21 302 0.33 210 0.47
24 367* 0.02 367* 0.05 367* 0.16 302 0.33 210 0.47
30 516* 0.03 516* 0.07 473 0.21 302 0.33 210 0.47
36 430* 0.02 430* 0.06 430* 0.19 302 0.33 210 0.47
Hot Dip Galvanized After Fabrication
P 4 MD74
MD74
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Span (ft.) 12 16 20 22 24
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 425 0.83 239 1.48 153 2.31 126 2.79 106 3.32
9 425 0.83 239 1.48 153 2.31 126 2.79 106 3.32
12 425 0.83 239 1.48 153 2.31 126 2.79 106 3.32
18 425 0.83 239 1.48 153 2.31 126 2.79 106 3.32
24 367* 0.73 239 1.48 153 2.31 126 2.79 106 3.32
30 425 0.83 239 1.48 153 2.31 126 2.79 106 3.32
36 425 0.83 239 1.48 153 2.31 126 2.79 106 3.32
NEMA 24C, 20C+
P XD4
P XD
Hot Dip Galvanized After Fabrication
Use SXD fittings
Use S4XD fittings
Use PXD fittings
Use P4XD fittings
Blue = Corrugated Bottom
Red = 4” Rung Spacing
S XDS XD4
Mill-Galvanized
Span (ft.) 12 14 16 18 20
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 328 0.80 241 1.09 184 1.43 146 1.81 118 2.24
9 328 0.80 241 1.09 184 1.43 146 1.81 118 2.24
12 328 0.80 241 1.09 184 1.43 146 1.81 118 2.24
18 328 0.80 241 1.09 184 1.43 146 1.81 118 2.24
24 328 0.80 241 1.09 184 1.43 146 1.81 118 2.24
30 328 0.80 241 1.09 184 1.43 146 1.81 118 2.24
36 328 0.80 241 1.09 184 1.43 146 1.81 118 2.24 NEMA 20C, 16C
P XC4
P XC
S XC
Mill-Galvanized
Blue = Corrugated Bottom
Red = 4” Rung Spacing
S XC4
Use SXC fittings
Use S4XC fittings
Use PXC fittings
Use P4XC fittings
Loading Tables for Steel Ventilated Trough
Hot Dip Galvanized After Fabrication
Span (ft.) 12 14 16 18 20
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 250 0.44 184 0.6 141 0.73 111 0.99 90 1.22
9 250 0.44 184 0.6 141 0.73 111 0.99 90 1.22
12 250 0.44 184 0.6 141 0.73 111 0.99 90 1.22
18 250 0.44 184 0.6 141 0.73 111 0.99 90 1.22
24 250 0.44 184 0.6 141 0.73 111 0.99 90 1.22
30 250 0.44 184 0.6 141 0.73 111 0.99 90 1.22
36 250 0.44 184 0.6 141 0.73 111 0.99 90 1.22
Use SXB7 fittings
Use S4XB7 fittings
Use PXB7 fittingsUse P4XB7 fittings
Blue = Corrugated Bottom
Red = 4” Rung Spacing
NEMA 20B
P 4
P
Hot Dip Galvanized After Fabrication
S XB7S XB74
Mill-Galvanized
XB7
XB7
7”
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Example: Part # SXD-24-144
USE COLOR CODING TO ASSEMBLE PART NUMBER
S ( ) XD- 24- 144
Material Solid Bottom Tray TypeWidth in Inches
Length in Inches
Span (ft.) 12 14 16 18 20
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 292 0.44 214 0.59 164 0.77 130 0.98 105 1.21
9 292 0.44 214 0.59 164 0.77 130 0.98 105 1.21
12 292 0.44 214 0.59 164 0.77 130 0.98 105 1.21
18 292 0.44 214 0.59 164 0.77 130 0.98 105 1.21
24 292 0.44 214 0.59 164 0.77 130 0.98 105 1.21
30 292 0.44 214 0.59 164 0.77 130 0.98 105 1.21
36 292 0.44 214 0.59 164 0.77 130 0.98 105 1.21
NEMA 20C
P 4
P
Hot Dip Galvanized After Fabrication
Use SXC7 fittings
Use S4XC7 fittings
Use PXC7 fittings
Use P4XC7 fittings
Blue = Corrugated Bottom
Red = 4” Rung Spacing
S
S
Mill-Galvanized
Loading Tables for Steel Ventilated Trough
XC7
4 XC7
XC7
XC7
( ) Leave blank for 6-24” Wide - Insert 4 for 30” Wide or larger
7” 7”
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Steel Solid Bottom Trough Numbering System
Other Technical Data
Depth:3-3/8, 4, 6 and 7 inches nominalFittings:12, 24, or 36 inch standard radii (See the Fittings Section 9 of this catalog) Trough Bottoms:All troughs 6” - 24” wide have solid corrugated bottoms. 30” and 36” wide have (-06C) solid bottom. Splice Plates:Straight sections and fittings are supplied with splice plates and hardware.Safety Factor:1.5 NEMA Standard
(For other tray sizes or specifications, please consult the factory)Please see Section 7 (Husky Way) for our other solid bottom tray designs.
Bottom Dimensions
SSJ-24-144
Materials:A=Aluminum
S=HDGAF SteelP=Mill-Galv. Steel
BottomS= Solid Bottom
Tray Types:Steel
H, J, JC, M, MD, YD, XB,XB7,XC,XC7,XD,MD7,
MD74
Widths:6”9”12”18”24”30”36”
Lengths:H, J, JC, M, MD MD7 and MD74 available in 10’ (120”) & 12’ (144”) only
All others available in 10’ (120”), 12’ (144”), 20’ (240”)
24’ (288”)
Add (–06C) to 30 & 36 in Wide Only
S S J- 24- 144 -06C
Material Bottom TrayTypeWidth
in InchesLength
in InchesFor 30” & 36”
Wide Only
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Span (ft.) 4 6 8 10 12
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 689 0.15 306 0.35 172 0.62 110 0.97 76 1.40
9 689 0.15 306 0.35 172 0.62 110 0.97 76 1.40
12 689 0.15 306 0.35 172 0.62 110 0.97 76 1.40
18 689 0.15 306 0.35 172 0.62 110 0.97 76 1.40
24 547* 0.12 306 0.35 172 0.62 110 0.97 76 1.40
30 689 0.15 306 0.35 172 0.62 110 0.97 76 1.40
36 689 0.15 306 0.35 172 0.62 110 0.97 76 1.40
NEMA 12B
P HS
Use SSH fittingsS HS
Mill-Galvanized
Use PSH fittings
Blue = Corrugated Bottom
Red = (-06C) Corrugated Bottom
Span (ft.) 4 6 8 10 12
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 749 0.11 333 0.24 187 0.44 119 0.69 83 0.99
9 749 0.11 333 0.24 187 0.44 119 0.69 83 0.99
12 749 0.11 333 0.24 187 0.44 119 0.69 83 0.99
18 729* 0.11 333 0.24 187 0.44 119 0.69 83 0.99
24 547* 0.08 333 0.24 187 0.44 119 0.69 83 0.99
30 749 0.11 333 0.24 187 0.44 119 0.69 83 0.99
36 749 0.11 333 0.24 187 0.44 119 0.69 83 0.99
NEMA 12B/CSA C
Use SSJ fittingsS JS
P JS
Mill-Galvanized
Use PSJ fittings
Blue = Corrugated Bottom
Red = (-06C) Corrugated Bottom
Span (ft.) 4 6 8 10 12
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 990 0.10 440 0.23 248 0.41 158 0.65 110 0.94
9 990 0.10 440 0.23 248 0.41 158 0.65 110 0.94
12 990 0.10 440 0.23 248 0.41 158 0.65 110 0.94
18 729* 0.07 440 0.23 248 0.41 158 0.65 110 0.94
24 547* 0.06 440 0.23 248 0.41 158 0.65 110 0.94
30 990 0.10 440 0.23 248 0.41 158 0.65 110 0.94
36 990 0.10 440 0.23 248 0.41 158 0.65 110 0.94
NEMA 12C/CSA D on 3m
Use SSJC fittingsS JCS
P JCS
Hot Dip Galvanized After Fabrication
Mill-Galvanized
Use PSJC fittings
Blue = Corrugated Bottom
Red = (-06C) Corrugated Bottom
Hot Dip Galvanized After Fabrication
Hot Dip Galvanized After Fabrication
Loading Tables for Steel Solid Bottom Trough
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Span (ft.) 12 14 16 18 20
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 147 0.77 108 1.05 83 1.37 65 1.74 53 2.15
9 147 0.77 108 1.05 83 1.37 65 1.74 53 2.15
12 147 0.77 108 1.05 83 1.37 65 1.74 53 2.15
18 147 0.77 108 1.05 83 1.37 65 1.74 53 2.15
24 147 0.77 108 1.05 83 1.37 65 1.74 53 2.15
30 147 0.77 108 1.05 83 1.37 65 1.74 53 2.15
36 147 0.77 108 1.05 83 1.37 65 1.74 53 2.15
NEMA 20A, 16B, 12C
P YDS
Use SSYD fittingsS YDSHot Dip Galvanized After Fabrication
Mill-Galvanized
Use PSYD fittings
Blue = Corrugated Bottom
Red = (-06C) Corrugated Bottom
Span (ft.) 4 6 8 10 12
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 931 0.05 414 0.11 233 0.20 149 0.32 103 0.46
9 931 0.05 414 0.11 233 0.20 149 0.32 103 0.46
12 931 0.05 414 0.11 233 0.20 149 0.32 103 0.46
18 729* 0.04 414 0.11 233 0.20 149 0.32 103 0.46
24 547* 0.03 414 0.11 233 0.20 149 0.32 103 0.46
30 931 0.05 414 0.11 233 0.20 149 0.32 103 0.46
36 931 0.05 414 0.11 233 0.20 149 0.32 103 0.46
NEMA 12C
P MS
Use SSM fittingsS MS
Hot Dip Galvanized After Fabrication
Mill-Galvanized
Use PSM fittings
Blue = Corrugated Bottom
Red = (-06C) Corrugated Bottom
Span (ft.) 4 6 8 10 12
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 1116 0.05 496 0.12 279 0.22 179 0.35 124 0.51
9 1116 0.05 496 0.12 279 0.22 179 0.35 124 0.51
12 1094* 0.05 496 0.12 279 0.22 179 0.35 124 0.51
18 729* 0.03 496 0.12 279 0.22 179 0.35 124 0.51
24 547* 0.03 496 0.12 221* 0.17 179 0.35 124 0.51
30 692* 0.03 496 0.12 279 0.22 179 0.35 124 0.51
36 1046* 0.05 496 0.12 279 0.22 179 0.35 124 0.51
NEMA 12C+
P MDS
Use SSMD fittingsS MDS
Hot Dip Galvanized After Fabrication
Mill-Galvanized
Use PSMD fittings
Blue = Corrugated Bottom
Red = (-06C) Corrugated Bottom
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Span (ft.) 12 14 16 18 20
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 236 0.71 173 0.97 133 1.27 105 1.61 85 1.99
9 236 0.71 173 0.97 133 1.27 105 1.61 85 1.99
12 236 0.71 173 0.97 133 1.27 105 1.61 85 1.99
18 236 0.71 173 0.97 133 1.27 105 1.61 85 1.99
24 236 0.71 173 0.97 133 1.27 105 1.61 85 1.99
30 236 0.71 173 0.97 133 1.27 105 1.61 85 1.99
36 236 0.71 173 0.97 133 1.27 105 1.61 85 1.99
Span (ft.) 12 14 16 18 20
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 328 0.80 241 1.09 184 1.43 146 1.81 118 2.24
9 328 0.80 241 1.09 184 1.43 146 1.81 118 2.24
12 328 0.80 241 1.09 184 1.43 146 1.81 118 2.24
18 328 0.80 241 1.09 184 1.43 146 1.81 118 2.24
24 328 0.80 241 1.09 184 1.43 146 1.81 118 2.24
30 328 0.80 241 1.09 184 1.43 146 1.81 118 2.24
36 328 0.80 241 1.09 184 1.43 146 1.81 118 2.24
Span (ft.) 12 16 20 22 24
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 425 0.83 239 1.48 153 2.31 126 2.79 106 3.32
9 425 0.83 239 1.48 153 2.31 126 2.79 106 3.32
12 425 0.83 239 1.48 153 2.31 126 2.79 106 3.32
18 425 0.83 239 1.48 153 2.31 126 2.79 106 3.32
24 425 0.83 239 1.48 153 2.31 126 2.79 106 3.32
30 425 0.83 239 1.48 153 2.31 126 2.79 106 3.32
36 425 0.83 239 1.48 153 2.31 126 2.79 106 3.32
NEMA 20B, 16C
NEMA 20C+, 16C
NEMA 24C, 20C+
P XBS
Use SSXB fittingsS XBS
Mill-Galvanized
Use PSXB fittings
Blue = Corrugated Bottom
Red = (-06C) Corrugated Bottom
P XCS
Use SSXC fittingsS XCS
Mill-Galvanized
Use PSXC fittings
Blue = Corrugated Bottom
Red = (-06C) Corrugated Bottom
P XDS
Use SSXD fittingsS XDS
Mill-Galvanized
Use PSXD fittings
Blue = Corrugated Bottom
Red = (-06C) Corrugated Bottom
Hot Dip Galvanized After Fabrication
Hot Dip Galvanized After Fabrication
Hot Dip Galvanized After Fabrication
Loading Tables for Steel Solid Bottom Trough
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Loading Tables for Steel Solid Bottom Trough
Blue = Corrugated Bottom
Mill-Galvanized
Use PSMD7 fittings
Hot Dip Galvanized After Fabrication
NEMA 12C+
Span (ft.) 4 6 8 10 12
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 900 0.03 400 0.07 225 0.12 144 0.19 100 0.28
9 900 0.03 400 0.07 225 0.12 144 0.19 100 0.28
12 900 0.03 400 0.07 225 0.12 144 0.19 100 0.28
18 729* 0.02 400 0.07 225 0.12 144 0.19 100 0.28
24 547* 0.02 400 0.07 225 0.12 144 0.19 100 0.28
30 900 0.03 400 0.07 225 0.12 144 0.19 100 0.28
36 900 0.03 400 0.07 225 0.12 144 0.19 100 0.28
Blue = Corrugated Bottom
Mill-Galvanized
Use SMD74 fittings
P
S
Use PMD74 fittings
Hot Dip Galvanized After Fabrication
NEMA 12C+
7”
3/4”
7”
3/4”
Span (ft.) 4 6 8 10 12
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 1890 0.02 840 0.12 473 0.21 302 0.33 210 0.47
9 1459* 0.02 840 0.12 473 0.21 302 0.33 210 0.47
12 1094* 0.01 840 0.12 473 0.21 302 0.33 210 0.47
18 729* 0.01 729* 0.10 473 0.21 302 0.33 210 0.47
24 547* 0.01 547* 0.08 473 0.21 302 0.33 210 0.47
30 1255* 0.01 840 0.12 473 0.21 302 0.33 210 0.47
36 1046* 0.01 840 0.12 473 0.21 302 0.33 210 0.47
S
S
Use SSMD7 fittingsS S MD7
P S MD7
MD74
MD74
Red = (-06C) Corrugated Bottom
Span (ft.) 12 14 16 18 20
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 250 0.44 184 0.6 141 0.73 111 0.99 90 1.22
9 250 0.44 184 0.6 141 0.73 111 0.99 90 1.22
12 250 0.44 184 0.6 141 0.73 111 0.99 90 1.22
18 250 0.44 184 0.6 141 0.73 111 0.99 90 1.22
24 250 0.44 184 0.6 141 0.73 111 0.99 90 1.22
30 250 0.44 184 0.6 141 0.73 111 0.99 90 1.22
36 250 0.44 184 0.6 141 0.73 111 0.99 90 1.22
Use SSXB7 fittings
Use PSXB7 fittings
Blue = Corrugated Bottom
NEMA 20C
Hot Dip Galvanized After Fabrication
Mill-Galvanized
S XB7S
P XB7S
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Example: Part # SSMD7-24-144
USE COLOR CODING TO ASSEMBLE PART NUMBER
S S MD7- 24- 144
Material Solid Bottom Tray TypeWidth in Inches
Length in Inches
Span (ft.) 12 14 16 18 20
Width (in.) Load Defl Load Defl Load Defl Load Defl Load Defl
6 292 0.44 214 0.59 164 0.77 130 0.98 105 1.21
9 292 0.44 214 0.59 164 0.77 130 0.98 105 1.21
12 292 0.44 214 0.59 164 0.77 130 0.98 105 1.21
18 292 0.44 214 0.59 164 0.77 130 0.98 105 1.21
24 292 0.44 214 0.59 164 0.77 130 0.98 105 1.21
30 292 0.44 214 0.59 164 0.77 130 0.98 105 1.21
36 292 0.44 214 0.59 164 0.77 130 0.98 105 1.21
Use SSXC7 fittings
Use PSXC7 fittings
Blue = Corrugated Bottom
NEMA 20C
Hot Dip Galvanized After Fabrication
Mill-Galvanized
S XC7S
P XC7S
Loading Tables for Steel Solid Bottom Trough
7”
( ) Leave blank for 6-24” Wide - Insert 4 for 30” Wide or larger