Alfa Laval DCH

Category - Finned coil air heat exchangers

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Our Our product profile contains a wide range of equipment of the Alfa Laval. Alfa Laval manufactures powerful and creative goods that always find the solution for the tough industrial problems at any time. The Alfa Laval achieves the high standards of equipment performance while creating the modern technologies that strengthen the working cycle of the industries. The Alfa Laval Alfa Laval DCH is one of the flawlessly developed equipment. Alfa Laval Alfa Laval DCH presents high degree of precision, which offer wide range of automatic and electric resolutions to fulfill all application needs. Because of the high quality of constituents, Alfa Laval Alfa Laval DCH secure long term functioning.
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Description

Industrial DCH radiator units are designed for cooling of water or other process fluids for Diesel and Gas Power Generation. This heat exchanger configuration offers a compact solution with dimensions and capacity range as typically required for Gen-set containers in the Power Generation industry. DCH radiator units are designed to be installed inside the Gen-set container. DCH radiator units can also be used for other cooling applications in process and general industries. Standard configuration

Heat exchanger coil The innovative heat exchanger coil gives excellent heat transfer thanks to new corrugated aluminium fins combined with copper tubing. Tubes ans fins are available in different diameters and thicknesses. DCH radiators are designed with two vertically positioned, independent heat exchanger coils. Thanks to the two separated coils or the use of split coil circuits it is possible to cool different fluids. This configuration, dedicated to the Power Generation, allows to cool two different circuits (i.e. LT and HT engine circuit) in a unique, compact radiator unit. Copper manifolds are provided with aluminium flanged connections, draining and venting nozzles. DCH can have one or two modules, depending on the required performance. Each heat exchanger undergoes a pressure and leak test with dry air at 10 bar (design pressure 9 bar).
Fan motors 3-Phase 400V-50Hz squirrel cage induction motors (IEC) are used, on demand 460V-60Hz or other power supply. Protection Class IP55, temperature class F or H, depending to the working conditions. On demand greasers can be included. Each electric fan motor is wired to a terminal box or a safety switch close to the fan cowl.
Fan blades DCH can be supplied with different fan diameters (1250 up to1440 mm) fitted with fan blades in aluminium (wind profile), fiber glass or galvanized steel. Fans can have either fixed or adjustable blades. Fans are protected by a epoxy coated or hot deep galvanized metal protection grid.
Frame and Casing Casing is made of pre-galvanized sheetsteel. New frame design provides high rigidity, also for heavy applications. Maintenance can be easily done from outside or by entering inside the unit using special inspection doors.
Support Feet Heavy duty, hot-dip galvanized steel profiles permit easy transportation of the unit and can be used at the same time to fix the DCH inside the container.

Options For a full overview of all available options and additional technical specifications please refer to the product leaflet. Specifications

All liquids that do not corrode copper
Capacities: customer specification

Product selection This product will be configured on order to meet all customer and application requirements. Please contact Alfa Laval for support. Cold Room Calculator Mobile app for iOS & Android to calculate the expected heat load for your cold room. Cold Room Calculator Additional product information Find manuals, electrical drawings, CAD drawings, High Resolution pictures and certificates. Technical documentation How it works Alfa Laval finned coil air heat exchangers have been designed to achieve an optimized exchange of thermal energy between air and a refrigerant or fluid. The ‘heart’ of our air heat exchangers is the finned coil, built up from a circuit of interconnected tube serpentines and fins to increase the heat exchanging surface. Thanks to the combination of key design variables (coil materials, coil geometry, casing design, fan type), air units are very versatile heat exchangers with a great variety of applications in many industries. Alfa Laval supplies finned coil air heat exchanger products for a wide variety of applications. Air-cooled liquid coolers (radiators/dry coolers) Air heat exchangers may be used to cool various process liquids. For this application hot process liquid flows through the tubes. This liquid is cooled by the relatively cold ambient air that is forced through the coil. Air heat exchangers for process liquid cooling are referred to as 'radiators'. Air-cooled liquid coolers for HVAC applications and total energy systems are referred to as 'dry coolers'. ''