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/ Field Assembly /
1. Maximum GPM applies to both pump and gravity flow piping systems.
The outlet piping on gravity flow systems must have sufficient vertical
drop to overcome all other head losses in the system.
2. Bottom outlet is not available on Models 490A and 490B.
■ Field Assembly
If you choose to assemble your Aquatower at the job site,
your Aquatower will be shipped unassembled with complete
assembly instructions.
The following table shows the sizes and weights of the
largest Aquatower components for each model. You can use
this information to plan your rigging and transportation needs.
Unassembled tower shipment may add 3 to 5 weeks to
normal lead times. Your Marley sales representative will be
glad to help you plan for your unique needs.
Volumes shown are maximums for the GPM ranges indicated.
Actual volumes will usually be less. Contact your local Marley sales
representative for more specific information.
Note: For economical transportation, Aquatowers are normally
packaged unassembled when shipped from the US by sea or air
freight.
Bottom Outlet Maximum GPM
Tower
Model
Outlet Diameter
4" 6" 8" 10"
492A - 492B 120 225 225 na
493A - 493B 120 270 350 na
494a - 494B - 494C 140 310 350 625
495A - 495B 140 310 350 850
496A - 496B 140 310 350 850
Drain-Down Capacity
Tower Model
Range of Tower Design GPM
Maximum Drain-Down
gallons
490A
490B
15 - 26 28
27 - 51 30
52 - 85 33
86 - 153 36
492A
492B
21 - 53 49
54 - 92 54
93 - 151 60
152 - 211 65
493A
493B
33 - 83 77
84 - 144 84
145 - 238 94
239 - 328 101
494A
494B
494C
60 - 141 134
142 - 227 145
228 - 376 162
377 - 563 178
495A
495B
82 - 192 182
193 - 270 192
271 - 513 219
514 - 763 241
496A
496B
104 - 196 228
197 - 286 243
287 - 497 271
498 - 963 320
Component Sizes and Weights
Tower Model
Component Size inches Weight lb
490A
490B
Collection Basin End 12 x 13 x 36 15
Collection Basin Floor 3 x 30 x 32 23
Front Panel 2 x 36 x 44 21
Casing Panel 2 x 40 x 52 43
Distribution Basin 8 x 16 x 32 18
492A
492B
Collection Basin End 14 x 16 x 48 24
Collection Basin Floor 3 x 36 x 44 37
Front Panel 2 x 48 x 68 52
Casing Panel 2 x 26 x 63 34
Distribution Basin 8 x 16 x 44 24
493A
493B
Collection Basin End 14 x 16 x 72 37
Collection Basin Floor 3 x 36 x 68 56
Front Panel 2 x 37 x 72 35
Casing 2 x 26 x 63 34
Distribution 8 x 16 x 68 37
494A
494B
494C
Collection Basin End 18 x 18 x 72 47
Collection Basin Floor 4 x 34 x 68 56
Front Panel 2 x 44 x 72 41
Casing Panel 2 x 40 x 76 63
Distribution Basin 8 x 28 x 68 52
Optional Discharge Side 2 x 41 x 77 37
Optional Discharge Floor 9 x 45 x 68 46
495A
495B
Collection Basin End 18 x 18 x 96 63
Collection Basin Floor 4 x 34 x 92 75
Front Panel 2 x 44 x 96 56
Casing 2 x 40 x 76 63
Distribution Basin 8 x 28 x 92 70
Optional Discharge Side 2 x 41 x 77 37
Optional Discharge Floor 9 x 45 x 63 41
496A
496B
Collection Basin End 18 x 18 x 120 79
Collection Basin Floor 4 x 34 x 116 95
Front Panel 2 x 46 x 120 71
Casing Panel 2 x 40 x 84 69
Distribution Basin 8 x 28 x 116 88
Optional Discharge Side 2 x 45 x 77 38
Optional Discharge Floor 9 x 45 x 77 54