Posts

Dry cooler

Dry coolers vs. wet cooling towers

Working Principle

Cooling towers are heat-transfer devices that are used to reject heat loads to the atmosphere. Cooling towers are used to cool circulating water in a wide variety of applications such as process cooling and HVAC systems.

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Bora XL dry cooler

Kaltra expands its dry cooler portfolio with Bora XL range


This week, Kaltra announced its next range of dry coolers based on recently engineered Versa platform. Versa is a shared set of innovative engineering, major components, and production efforts over a number of the distinct, full-size chillercondenser, and dry cooler ranges. Kaltra’s equipment based on Versa platform characterized by high flexibility, significantly lower manufacturing costs, and enables easy customization and adaptation to the customer-specific application and requirements.

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Cooling plant

Kaltra expands chilled water plant at multi-tenant commercial centre


With the expansion of its premises, a large commercial centre located in Marseille needed to increase the capacity of its chilled water plant to meet the growing demand for chilled water production. Opened in 2014, Les Terrasses du Port occupies the area of more than 60,000 square meters and is a home to around 200 stores, restaurants, and food courts.

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Dry cooler

Kaltra supplied high-performance dry coolers to FME hospital in Mulhouse


The infrastructure of the newly inaugurated hospital in Mulhouse includes central air conditioning system which provides the cooling and heating to the building, as required. The heat rejection of the system is performed by high-efficient dry coolers with a total capacity of 2000kW, installed outside. Given the limited installation space and tight noise rejection requirements, Kaltra offered a compact solution based on Mistral dry coolers with the bottom to top airflow. Year-round operation of the air conditioning system is supported by a glycol-based coolant.

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Evaporative dry coolers

Hybrid dry coolers: a water-saving cooling solution


Closed-loop process cooling systems are gaining attention among a growing number of industries with the introduction of more stringent regulations on water use and increasing costs for water purchase and discharge. A hybrid cooling system where the dry cooling and evaporative cooling technologies are taken together is an attractive alternative to open-loop cooling towers in terms of both water saving and efficiency.

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Evaporative dry coolers

Kaltra extends its portfolio with evaporative condensers and dry coolers


With the development of evaporative air-cooled condensers and dry coolers, Kaltra sets new standards in the field of efficient and environmentally safe cooling.

The power saving potential of the new units is based on the evaporative cooling principle, in which the air temperature drops when the air takes up water by transforming it from liquid to vapor.

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Air-cooled condenser

Air-cooled condensers and dry coolers for refrigeration and industrial process


Mistral is the next generation of table-type air-cooled condensers and dry coolers that cover cooling capacities from 5kW up to 1500kW and intended for use with standard refrigerants, ammonia, and carbon dioxide.

One of the cornerstones of Mistral condensers/dry coolers range is the new high efficient heat exchangers with up to 6kW/l performance and reduced refrigerant charge.

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Evaporative fluid cooler

New fluid coolers to be available in Q4 2016


Jumbo Cooler fluid coolers are intended for cooling process water in industrial, commercial, and free cooling applications, and features the benefits of evaporative cooling with water recirculation, thus minimizing energy and water consumption and offer increasing free cooling hours.

Jumbo Cooler units are equipped with evaporative pads wetted via the water distribution system to pre-cool the air before passing through the heat exchanger coils. This increases the amount of heat the air can extract from the coil and, in turn, increases the cooling capacity of the unit.

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