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EWK-D

Tipo de producto:

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Low noise and low profile centrifugal cooling towers.

Forced draft
Centrifugal fan
Fan driven by pulleys and belts
Low noise emission levels, being able to minimize with silencers (DA model)
Low hight
Total vibration isolation
Polyester casing corrosion free
Modular design
Integrated frame support
Low energy consumption
Pre-assembled at the factory / Easy to install
Internal materials highly resistant to extreme temperatures
Standard Fill materials in Polypropylene with anti-legionella treatment (SANIPACKING®)

ASSEMBLY AND OPERATION – Download

PRODUCT CATALOGUE – Download

NOZZLE PRESSURE DROP – Download

SOUND LEVELS – Download

Technical Features

Model	*Dissipation kw	Empty weight kg	Service weight kg	Fan Power kw	Long mm	Wide mm	High mm
WITHOUT MUFFLERS
EWK-D 225/2	349	718	1495	5,5	3191	1612	2470
EWK-D 225/3	360	718	1495	7,5	3191	1612	2470
EWK-D 225/4	379	718	1495	7,5	3191	1612	2470
EWK-D 324/2	490	1010	2135	7,5	3585	1896	2535
EWK-D 324/3	518	1010	2135	11,0	3585	1896	2535
EWK-D 324/4	546	1010	2135	11,0	3585	1896	2535
EWK-D 450/2	685	990*	2870*	11,0	4151	2209	2565
EWK-D 450/3	720	990*	2870*	15,0	4151	2209	2565
EWK-D 450/4	758	990*	2870*	15,0	4151	2209	2565
EWK-D 680/2	1035	1500*	4300*	15,0	5183	2369	2600
EWK-D 680/3	1088	1500*	4300*	18,5	5183	2369	2600
EWK-D 680/4	1146	1500*	4300*	22,0	5183	2369	2600
EWK-D 900/2	1275	2100*	5500*	18,5	6486	2092	2600
EWK-D 900/3	1392	2100*	5500*	22,0	6486	2092	2600
EWK-D 900/4	1517	2100*	5500*	30,0	6486	2092	2600
WITH MUFFLERS
EWK-DA 225/2	349	1292	2069	5,5	4191	1612	3465
EWK-DA 225/3	360	1292	2069	7,5	4191	1612	3465
EWK-DA 225/4	379	1292	2069	11,0	4191	1612	3465
EWK-DA 324/2	490	1650	2775	7,5	4585	1896	3550
EWK-DA 324/3	518	1650	2775	11,0	4585	1896	3550
EWK-DA 324/4	546	1650	2775	15,0	4585	1896	3550
EWK-DA 450/2	685	2218	3736	11,0	5096	2209	3600
EWK-DA 450/3	720	2218	3736	15,0	5096	2209	3600
EWK-DA 450/4	758	1590	3580	15,0	5096	2209	3600
EWK-DA 680/2	1035	3157	5881	15,0	6178	2369	3890
EWK-DA 680/3	1088	3157	5881	18,5	6178	2369	3890
EWK-DA 680/4	1146	3157	5881	22,0	6178	2369	3890
EWK-DA 900/2	1275	3619	6833	22,0	7496	2092	3890
EWK-DA 900/3	1392	3619	6833	30,0	7496	2092	3890
EWK-DA 900/4	1517	3619	6833	30,0	7496	2092	3890
*Heat rejection at the following conditions: Tin: 35,0 ºC, Tout: 30,0 ºC, Twb: 24,0 ºC

Tipo de producto:	Centrifugal Ventilation, Open Circuit

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Working Principles

Cooling towers bring a cold and dry air mass in counter-flow to hot water that comes from an industrial or air conditioning process. Part of this water evaporates, cooling the rest. The necessary heat for this is approx.597 Kcal/liter. The cold water produced is returned into the process to re-initiate the cycle. The equipment with this evaporative refrigeration principle are very important for energy efficiency in industrial processes.

The difference between the required cold water temperature and the wet bulb temperature (called cooling limit distance), is significant to determine the size of the tower. The smaller the cooling distance is, the bigger the interchanging surface is needed. The limit distance must be of at least 3-4º C.

In open cooling towers there is a close contact water-air, which is bigger thanks to the fill packings, that provide a big surface of exchange, and allow towers to be smaller.