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Circular ducts

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					ABBEY
SHEETMETAL LIMITED
                                  Circular ducts


                                 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




                                                           Thicknes


                                                                      Duct Dia




                                 Circular Page C1
 ABBEY
 SHEETMETAL LIMITED
                                   Circular Bends


     Pressed B90                  Pressed B45                      Pressed B30




          Pressed Bends                              Segmented Bends
                                                     (Bends over 800∅ 5 segments)
Dia      R       SE   Dia   R     SE         Dia      R      SE      Dia      R     SE
80      80       40   200   200   40         355     355     75     800     800     75
100    100       40   224   224   40         400     400     75     900     900     75
125    125       40   250   250   60         450     450     75     1000    1000    75
150    150       40   280   280   60         500     500     75     1120    1120    75
160    160       40   300   300   60         560     560     75     1250    1250    75
180    180       40   315   315   60         630     630     75     1320    1320    75
                                             710     710     75     1524    1524    75


B90 – 4 segments                B45 – 3 segments               B30 – 2 segments




                                  Circular Page C2
ABBEY
SHEETMETAL LIMITED
                                                              Circular Reducers


   Short Body                                                 Long Body                                         Long Body
                (Concentric)                                        (Concentric)                                 (Eccentric)




 See Table One below                                        See Table 2 on page C4                         See Table 3 on page C4




     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
     Duct Diameter (1)




                         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

                         630                                                                   160         118         68

                                                                           ‘L’ Dimension




                                                             Circular Page C3
ABBEY
SHEETMETAL LIMITED
                                                              Circular Reducers



     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
     Duct Diameter (1)




                         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




                                                                        ‘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
     Duct Diameter (1)




                         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




                                                                        ‘L’ Dimension



                                                             Circular Page C4
ABBEY
SHEETMETAL LIMITED
                     Boots, Single Blade Dampers, Couplings



                          Curved Boots


                                                     Branch       Dim
                                                      Width       ‘A’
                                                     Up to 200    75

                                                     201 – 300    100

                                                     301 – 400    125

                                                     401 – 600    150

                                                     Over 600     200




                             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




                           Circular Page C5
  ABBEY
  SHEETMETAL LIMITED
                                            Supports and Hangers


                              Duct Size             Rod ∅                 Spacing
                             Upto - 1120              M8                      3000
                             1121 - 1525             M10                      3000
                             Over 1526               M12                      2500




                       M8 Thread                                   Concrete Anchor
                       for fixing
                       into wedge
                       or Anchor
                                                                          Wedge Nut




                                    Washer                                       Washer
                                                                        Nut                                  Nut


                                                                              Tie Rod




   Eye bolt for gripple                     Wedge Deck Anchor                           Concrete Anchor




Wire rope Hanger (gripple)                  Half Hoop Bracket                           Half Hoop Bracket
      (ducts upto 315 Dia)                (Over 315 Dia un-insulated)                   (Over 315 Dia insulated)




                                           Circular Page C6
ABBEY
SHEETMETAL LIMITED
                                     Flexible Connections



                         Plain 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)




                       Insulated Aluminium Flexible Ducting

                                                         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)



                     Anti vibration flexibles to inline equipment


                                                          DURODYNE – KEV/MT 25




                                    Circular Page C7

				
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