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 Refrigerated Air Dryers
WHY TREAT COMPRESSED AIR WITH REFRIGERATED AIR DRYERS?
The importance of compressed air as a provider of energy for
modern industrial processes is widely known. What is often
overlooked however is the need to provide quality treatment for
this air with the use of refrigerated air dryers.
In fact, the air entering the system contains moisture, in vapor
form, along with environmental contaminants, which are
concentrated during compression. When cooled, this moisture
will turn into liquid water, causing extensive damage not only to
the compressed air network, but also to the finished
product. Left alone, these materials would reduce
the service life of downstream equipment and
contribute to system corrosion. Keltec refrigerated air
dryers actively remove this condensate and
particulate contamination, and achieves extremely
clean, dry compressed air.
The benefits are notable; less system down time,
reduced maintenance costs and an improved finished
product.
HIGHLY ENGINEERED
With a pressure drop of less than 3 psi, energy costs
are greatly reduced with our refrigerated air dryers.
Designed for Tropical
Conditions
Keltec-Technolab offers dry compressed air and can effectively operate
with 140 F inlet temperatures, due to their use
of R134A refrigerant across the refrigerated air dryers range, and
through the use of an over sized condenser.
 
COMPACT DESIGN
Every square inch inside the dryer is utilized.
 
DIGITAL INTERFACE CONTROLLER,
with 8 temperature sensors, enabling complete system monitoring.
 
ALUMINUM PLATE HEAT EXCHANGER
Very Low Pressure Drop (2psi) Very Efficient (38 F real pressure dew point)
 
SCROLL COMPRESSORS
The scroll compressors used are energy efficient and resistant to liquid shock.
 
INTEGRATED DUAL FILTER SYSTEM
which filters the compressed air to .01 icron
icron
 
ELECTRICAL WIRES ARE SEPARATED FROM REFRIGERANT SIDE
There are no electrical wires inside the
refrigerant side of the dryer. The electrical box has an external cover which has an access from
the outside of the dryers.
There is no need to open the dryer panels to enter the electrical box.
ALL WIRES INSERTED INTO PLASTIC CABLE HOLDERS
Wires connected to the electrical box
with conduits
EXTRA BALL VALVES
Extra ball valves are brazed in to the
refrigerant circuit in order to simplify parts replacement, without the chance of releasing
refrigerant gas from the system.
PRESSURE SWITCHES
Pressure switches are put in to the electrical box for easy access. There is no need to interrupt
the cooling loop in case of pressure switch failure.
Easy to access
The cooling components can be easily reached in seconds via the
removable panels.
Easy Ducting
Condensers are located at the top for easy ducting.
Select from the Models Below to achieve dry compressed air.
Refrigerated Air Dryers
Model Capacity (acfm ) Connection Sixe Voltage Length (in) Width (in) Height (in) Weight (lb) Refrigerant gas Pressure drop (psi) Maximum working pressure (psi) Maximum ambient TEMP
(コF)
Maximum inlet TEMP
(コF)
replacement filter kit number*
KRAD-10 10 1/2年PT 115/160 16.26 14.29 21.92 70.54 R134a <3 230 122 140 ADFK1
KRAD-15 15 1/2年PT 115/160 16.26 14.29 21.92 70.54 R134a <3 230 122 140 ADFK1
KRAD-25 25 1/2年PT 115/160 16.26 14.29 21.92 70.54 R134a <3 230 122 140 ADFK1
KRAD-40 40 3/4年PT 115/160 18.62 17.83 32.75 112.43 R134a <3 230 122 140 ADFK2
KRAD-60 60 3/4年PT 115/160 18.62 17.83 32.75 116.84 R134a <3 230 122 140 ADFK2
KRAD-80 80 3/4年PT 115/160 18.62 17.83 32.75 121.25 R134a <3 230 122 140 ADFK2
KRAD-100 100 1ス年PT 115/160 21.77 19.80 34.40 171.96 R134a <3 230 122 140 ADFK3
KRAD-125 125 1ス年PT 230/60 21.77 19.80 34.40 182.98 R134a <3 230 122 140 ADFK3
KRAD-150 150 1ス年PT 230/60 21.77 19.80 34.40 189.59 R134a <3 230 122 140 ADFK3
KRAD-200 200 2年PT 230/1/60 26.69 25.51 45.55 352.74 R134a <3 230 122 140 ADFK4
KRAD-250 250 2年PT 230/60 26.69 25.51 45.55 363.76 R134a <3 230 122 140 ADFK5
KRAD-350 350 2年PT 230/60 37.32 28.66 53.93 485.01 R134a <3 230 122 140 ADFK5
KRAD-500 500 2年PT 230/60 37.32 28.66 53.93 507.06 R134a <3 230 122 140 ADFK5
KRAD-600 600 3年PT 460/3/60 37.32 31.41 57.48 595.24 R134a <3 230 122 140 ADFK6
KRAD-750 750 3年PT 460/3/60 37.32 31.41 57.48 628.31 R134a <3 230 122 140 ADFK6
KRAD-1000 1000 3年PT 460/3/60 45.78 30.63 67.91 864.21 R134a <3 230 122 140 ADFK7
KRAD-1200 1200 3年PT 460/3/60 45.78 30.63 67.91 903.89 R134a <3 230 122 140 ADFK7
KRAD-1500 1500 4年PT 460/3/60 55 33.34 69.68 1,084.67 R134a <3 230 122 140
KRAD-1750 1750 4年PT 460/3/60 55 33.34 69.68 1,146.40 R134a <3 230 122 140
KRAD-2250 2250 4年PT 460/3/60 57.75 42.40 68.11 1,534.41 R134a <3 230 122 140
KRAD-2600 2600 4年PT 460/3/60 57.75 42.40 68.11 1,582.92 R134a <3 230 122 140
KRAD-3000 3000 6年PT 460/3/60 86.14 41.81 75.78 1,984.16 R134a <3 230 122 140
KRAD-3500 3500 6年PT 460/3/60 86.14 41.81 75.78 R134a <3 230 122 140
KRAD-4000 4000 6-NPT 460/3/60 106.18 35.31 77.75 R134a <3 230 122 140
KRAD-4500 4500 8-NPT 460/3/60 106.18 35.31 77.75 R134a <3 230 122 140
KRAD-5500 5500 8-NPT 460/3/60 100.39 61.02 82.67 3,527.39 R134a <3 230 122 140
Keltec Compressed Air Dryers

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