round duct standard size
TRANSCRIPT
ABBEYSHEETMETAL LIMITED
Standard Sizes
Duct Dia Sheet Thickness Duct Dia Sheet Thickness
63 0.6 400 0.8
80 0.6 450 0.8
100 0.6 500 0.8
125 0.6 560 0.8
150 0.6 630 0.8
160 0.6 710 0.8
180 0.6 800 1.0
200 0.8 900 1.0
224 0.8 1000 1.0
250 0.8 1120 1.0
280 0.8 1250 1.0
300 0.8 1320 1.0
315 0.8 1524 1.0
355 0.8 1600 1.0
Circular Page C1
Circular ducts
Du
ct
Dia
Thic
kne
s
ABBEYSHEETMETAL LIMITED
Pressed B90 Pressed B45 Pressed B30
B90 – 4 segments B45 – 3 segments B30 – 2 segments
Circular Page C2
Circular Bends
Pressed Bends
Dia R SE Dia R SE
80 80 40 200 200 40
100 100 40 224 224 40
125 125 40 250 250 60
150 150 40 280 280 60
160 160 40 300 300 60
180 180 40 315 315 60
Segmented Bends (Bends over 800∅ 5 segments)
Dia R SE Dia R SE
355 355 75 800 800 75
400 400 75 900 900 75
450 450 75 1000 1000 75
500 500 75 1120 1120 75
560 560 75 1250 1250 75
630 630 75 1320 1320 75
710 710 75 1524 1524 75
ABBEYSHEETMETAL LIMITED
Short Body (Concentric)
Long Body (Concentric)
Long Body (Eccentric)
Table 1 Duct diameter (2)
80 100 125 150 160 180 200 224 250 280 315 355 400 450 500
100 18
125 28 22
150 34 22
160 45 37 26 14
180 49 37 24 19
200 58 46 34 26 19
224 45 40 30 20
250 70 59 53 43 32 21
280
300 59 34
315 88 68 43
355 62 29
400 103 78 45
450
500 128 95 53
560
Duct
Dia
mete
r (1
)
630 160 118 68
‘L’ Dimension
Circular Page C3
Circular Reducers
See Table One below See Table 2 on page C4 See Table 3 on page C4
ABBEYSHEETMETAL LIMITED
Table 2 Duct diameter (2)
80 100 125 150 160 180 200 224 250 280 315 355 400 450 500 560
100 56
125 99 64
150 161 125 82
160 161 125 82
180 195 161 117 56 56
200 231 196 152 90 90 65
224 238 194 133 133 98 62
250 284 240 179 179 143 108 66
280 293 231 231 196 161 119 73
315 355 293 293 258 223 180 135 82
355 328 293 251 205 152 91
400 407 372 330 284 231 170 99
450 460 418 372 319 258 187 108
500 551 509 463 410 349 278 199 111
560 569 516 454 384 306 217 129
630 692 639 578 507 428 340 253 149
Duct
Dia
me
ter
(1)
‘L’ Dimension
Table 3 Duct diameter (2)
80 100 125 150 160 180 200 224 250 280 315 355 400 450 500 560
100 56
125 99 64
150 161 125 82
160 161 125 82
180 195 161 117 56 56
200 231 196 152 90 90 65
224 238 194 133 133 98 62
250 284 240 179 179 143 108 66
280 293 231 231 196 161 119 73
315 355 293 293 258 223 180 135 82
355 328 293 251 205 152 91
400 407 372 330 284 231 170 99
450 460 418 372 319 258 187 108
500 551 509 463 410 349 278 199 111
560 569 516 454 384 306 217 129
630 692 639 578 507 428 340 253 149
Duct
Dia
me
ter
(1)
‘L’ Dimension
Circular Page C4
Circular Reducers
ABBEYSHEETMETAL LIMITED
Circular Page C5
Boots, Single Blade Dampers, Couplings
Branch Dim
Width ‘A’
Up to 200 75
201 – 300 100
301 – 400 125
401 – 600 150
Over 600 200
Curved Boots
Couplings
Duct Dim
Dia ‘X’
Up to 200 40
224 - 315 60
Over 315 75
Single Blade Dampers
Duct Dim Dim
Dia ‘L’ ‘SE’
Up to 200 100 40
224 - 315 100 60
315 - 355 100 75
Over 355 200 75
ABBEYSHEETMETAL LIMITED
Circular Page C6
Supports and Hangers
Duct Size Rod ∅ Spacing
Upto - 1120 M8 3000
1121 - 1525 M10 3000
Over 1526 M12 2500
Tie Rod
Nut Nut Washer
Wedge Nut
Concrete Anchor
Washer
Eye bolt for gripple Wedge Deck Anchor Concrete Anchor
M8 Thread for fixing into wedge or Anchor
Wire rope Hanger (gripple)
(ducts upto 315 Dia) Half Hoop Bracket
(Over 315 Dia un-insulated) Half Hoop Bracket (Over 315 Dia insulated)
ABBEYSHEETMETAL LIMITED
Circular Page C7
Flexible Connections
Plain Aluminium Flexible Ducting
Insulated Aluminium Flexible Ducting
Aluminium reinforced flexible ducting, manufactured from a multi-ply aluminium polyester laminate together with a high tensile steel wire helix. (complies with BS476 parts 6,7 and 10 for fire resistance)
Aluminium reinforced flexible ducting, manufactured from a multi-ply aluminium polyester laminate together with a high tensile steel wire helix. Lagged over with rockwool insulation and an outer foil cladding. (complies with BS476 parts 6,7 and 10 for fire resistance)
DURODYNE – KEV/MT 25
Anti vibration flexibles to inline equipment