SPECIFICATIONS FOR FREEZE DRIER
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Shelf area
Shelf temperature range
Condenser temperature
Condenser capacity
Product loading capacity
No of shelves
Trays
Pre freezing and drying
Heater capacity
Voltage
Refrigerant
Product chamber
Door
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Vacuum pump
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2 stage rotary vane type
Vacuum measurement
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pirani, capacitance manometer
Vacuum pressure
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up to 1x 10-3 mbar
Anti suck-back valve
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to avoid blow of oil to the chamber
Windows based control software and PLC :
shelf temperature indication and control,
condenser temperature indication, vacuum indication and control product temperature
indication and control programmer module display along with operation status
System should have facility to check dryness of product. Product sensor, automatic
pressure/vacuum control for accelerated drying and product loading trays for all the shelves
Provision for manual operation also along with auto mode
Maintenance/troubleshooting screen
Suitable servo stabilizer
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25 KVA
Suitable cooling tower
Externally operated lighting system should be provided to view the internal product
Defrost
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hot gas defrost system
Equipment should work in Indian climatic conditions (water temperature ranging between 30-35
degree C and atmospheric temp 25 -40 degree C)
Training
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two persons
Warranty
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3 years
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1 to 1.8 square meter
-50 to +70 degree C
-60 to -80 degree C
20 to 30 kg/24 hrs
10 to 15 litr or 10 to 15 kg
7+ 1 radiant, 304 or 316I SS
SS tray or aluminium tray with Teflon coating
same chamber
2 to 3 kw
3 x 440 V/50 hz
404 A CFC free and locally available
rectangular chamber, 304 or 316 I stainless steel
acrylic, 30 mm to 45 mm
Full width opening to a max of 110 deg
Note : installation of freeze dryer and cooling tower by the firm
Accessories
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Vacuum pump oil
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10 ltr
Refrigeration oil
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5 ltr
Silicon oil
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5 ltr
Safety switches, solenoid switch, pressure switch other electrical switches
All type of sensors 2 sets
Trays extra 1 set
Gaskets
Compressor related spares 1 set