/ Marley NC® Class CoolingTower /
Q u i e t B y D e s i g n
Four-cell NC Class cooling tower serving a municipal power plant.
T h e R e s u l t o f S o u n d E n g i n e e r i n g
The NC Class not only sets the benchmark for low sound levels it also sets the benchmark for some of the highest crossflow tonnage densities per box in the industry. For over 50 years NC cooling towers have delivered thermal performance, low maintenance, versatility of options and outstanding value. But, of even greater significance, the NC Class is now quieter.
The redevelopment, redesign, the “evolution” of the NC cooling tower into the NC Class was the first project at SPX Cooling Technologies to fully utilize and employ our new ISO 9001 Certified “Product Development Process.”
■ Long Life Construction
Available in series 300 stainless steel or rugged heavy mill galvanized steel. Marley ISO certified plants assure quality factory-assembly. Plus, the NC Class stainless steel tower comes with SPX Cooling Technologies’ exclusive 5-year limited warranty.
■ Low Operating Costs
Marley's high-efficiency fill and fans, gravity-flow water distribution, and efficient mechanical drive systems work together to offer maximum cooling with minimum power use.
■ All Season Performance
Performs as specified in the heat of summer—responds well to energy-management techniques in the spring and fall—operates virtually ice-free in the dead of winter—and offers simple maintenance all year long.
■ Real World Design
Designed for severe wind, seismic, shipping, operating and live loads.
■ CTI Certified
Plus, we guarantee the thermal performance of each tower as installed.
■ Factory Mutual Approved
FM approval is available on the entire line of NC Class cooling towers. Currently 94 NC Class tower models are FM approved without any additional cost.
P r o v e n D e s i g n |
G u a r a n t e e d P e r f o r m a n c e |
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TOWER MODELS |
TONS |
L |
W |
H |
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NC8301 |
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94-180 |
6'-5" |
14'-0" |
10'-2" |
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L |
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NC8302 |
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118-242 |
7'-11" |
15'-6" |
10'-2" |
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NC8303 |
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154-297 |
7'-11" |
15'-6" |
11'-11" |
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NC8304 |
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217-372 |
8'-11" |
17'-0" |
13'-0" |
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NC8305 |
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281-520 |
10'-11" |
18'-9" |
13'-0" |
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3’-6” ** |
NC8306 |
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350-582 |
11'-11" |
19'-10" |
13'-0" |
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NC8307 |
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343-651 |
11'-11" |
22'-5" |
13'-4" |
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NC8309 |
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481-750 |
13'-11" |
22'-5" |
13'-4" ** |
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H |
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NC8310* |
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567-915 |
10'-11" |
22'-5" |
19'-10" ** |
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NC8311* |
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503-1000 |
11'-11" |
22'-5" |
19'-10" ** |
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NC8312* |
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626-1274 |
13'-11" |
22'-5" |
19'-10" ** |
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*Two-story modular cells |
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**Some models in this box size require a taller fan cylinder
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