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MCW Cooling Tower
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Engineering Data : Schematic
15
Model
note 2
Nominal
Tons
note 3
Motor
kW
Dimensions
Design
Operating
Weight
kg
Shipping Weight
kg
C H
Inlet / Outlet
dia
Weight/Cell
Heaviest
Section
901946N-1
251
22
3730 4030 200
6311 3895 2227
901946P-1 275 30
3730 4030 200
901947N-1 280 22
3960 4260 200
901947P-1 309 30
3960 4260 200
901948N-1 307 22
4260 4560 200
901948P-1 340 30
4260 4560 200
901949P-1 358 30
4690 4990 200
901949Q-1 389 37
4690 4990 200
901949R-1 416 45
4690 4990 20
901956Q-1
375
37 x 2
3730 4055 250
9270 5580 2965
901956R-1 401 44 x 2
3730 4055 250
901957Q-1 411 37 x 2
3960 4285 250
901957R-1 434 44 x 2
3960 4285 250
901958Q-1 463 37 x 2
4260 4585 250
901958R-1 491 44 x 2
4260 4585 250
901959R-1 513 44 x 2
4690 5015 250
901959S-1 567 60 x 2
4690 5015 250
901959T-1 600 74 x 2
4690 5015 250
OVERFLOW 1
1
/2"M
MAKEUP
1
1
/2"M
DRAIN 2"F
PIPING CONNECTIONS
ALL MODELS
440
858
255
140
2160
130
470
NOTE
1 Use this bulletin for preliminary layouts only. Obtain
current drawings from your Marley sales representative. All
table data is per cell.
2 Last numeral of model number indicates number of cells.
Change as appropriate for your selection.
3 Nominal tons are based upon 35°C HW, 29.5°C CW, 25.5°C
WB and .68 m
3
/hr per ton. The Marley UPDATE web-based
selection software provides MCW model recommendations
based on specific design requirements.
4 Standard overflow is a 1
1
⁄2" dia. M connection located on
the side of the collection basin. Makeup water connection
may be 1
1
⁄2" dia. M connection located on the side of the
collection. Drain is a 2"F connection located on the side of
the collection basin.