AA & AC Series Dehumidifyers
Series AA & AC.
Adsorption Dryers for Dehumidifying Atmospheric Air.
The AA- Series of dehumidifiers are ideal for all applications where large volumes of correctly conditioned air are required. A specific feature of this range is the ability to use existing site energy services such as Steam, Hot oil, or indirect gas fired heating for the regeneration process.
In addition to the AA series dryer several other sections in a large
system are combined together. For this reason the machines are
supplied without fans and filters as standard. However if this need does
arise Goldcrest can supply the correct equipment manufactured to suit the customers needs. High quality engineering is extremely important in ambient air systems. For this reason all components at risk from corrosion are made from
stainless steel, whilst all other parts of the dehumidifier are produced from a specially coated steel plate. Duct connections are supplied as standard for both the inlet and outlet of the unit. The unique design of the dehumidifiers operating on the adsorption principle is extremely efficient even at low ambient inlet air
temperatures. As standard the desiccant used is a specially blended Molecular Sieve. This material is chemically inert with exceptional performance over a long service life. The full range of desiccants can be utilised within this range of machinery to suit the process requirements. The correct desiccant is selected at the system design stage and process parameters are integrated into the specially developed control system. The main design feature of this range of equipment is that there are three static absorber vessels. During operation, two are in the adsorption phase whilst the third is either regenerating or cooling depending upon the stage of the process cycle. The only moving parts, excluding the fan, are the Inlet and Outlet butterfly valves. This ensures extremely high reliability.
The AA series dehumidifiers are supplied complete with fully integrated control equipment. This includes safety thermostats and an electronic timer to control valve change operations. The final level of the humidity in the process air is controlled by a Hygrostat, which is fitted as standard to all the Karalex AA series dehumidification machinery. However, an optional capacity control system is available as an option.
AA Series equipment capacities
Type Dried air volume Water removal Max. Power. Heaters Length x Width x Height
AA 15/1-E 890 m3/hr 4.7 kg/hr 7.5 kW 1250 x 790 x 1100
AA 25/1-E 1420 m3/hr 7.5 kg/hr 11.7 kw 1720 x 790 x 1480
AA 40/1-E 2800 m3/hr 14.8 kg/hr 23.6 kW 1640 x 1150 x 1430
AA 50/1-E 4460 m3/hr 23.6 kg/hr 37.6 kW 2150 x 1370 x 1720
AA 55/1-E 7140 m3/hr 37.6 kg/hr 60.0 kW 2970 x 1370 x 1720
AA 70/1-E 14300 m3/hr 75.0 kg/hr 119.0 kw 3250 x 2210 x 2590
AA 80/1-E 18900 m3/hr 100.0 kg/hr 157.0 kW 3650 x 2650 x 3030
AA 85/1-E 25700 m3/hr 135.0 kg/hr 213.0 kW 4540 x 2650 x 3030
AA 95/1-E 34300 m3/hr 180.0 kg/hr 284.0 kW 5830 x 2810 x 3080
The capacities are based on:
Inlet conditions Temp. 20 C. Dew Point +12 C.
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