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Riddhi Pharma Machinery Limited
Riddhi Pharma Machinery Limited
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Pharmaceutical Processing Machines
Home » Vacuum Tray Dryer
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Vacuum Tray Dryer

Is suitable for drying of thermal sensitive materials easily resolved, polymerized of deteriorated under high temperature. Sterilization can be conducted prior to the drying process, during which no matter is allowed to enter the product. Static vacuum dryer eliminates the configuration damage of the drying materials therefore widely used in pharmaceutical, chemicals and foodstuff etc.
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Vacuum Tray Dryers


Salient Features
  • Main Body/Vacuum chamber thick SS 316 plate with heavy duty SS 316 flange and stiffeners.
  • Door thick SS 316 plate (hemisphere shape) with heavy duty SS 316 flange.
  • Shelves Hollow type pads with SS 316 Sheet and Baffles.
  • Condenser (shell and tube) and Receiver SS 304 with Isolation valve and Flow glass in between to monitor condensation.
  • Trays (with out back folding ) in SS 316 rounded corners and edges.
  • Explosion Vent/ Rupture Disc on vacuum chamber
  • Digital Temperature controller (FLP) with solenoid controlled Pneumatic operated valve at Hot water inlet.
  • Provision for Validation Port on Body.
  • Digital Temp. , Indicator (FLP) at H.W. inlet & outlet.
  • Digital type Vacuum gauge and Digital Temperature Indicator (FLP) in vapor line.
  • Pressure release valve in steam line.
  • View Glass/ Light glass provided on vacuum chamber Dorr, Body and Receiver.
  • Silicon Transparent gasket for door.
  • Nitrogen purging valve provided on Vacuum chamber.
  • Vacuum break valve provided on vacuum, chamber.
  • Drain valve for Vacuum chamber and Receiver.
  • Temperature Accuracy plus minus 2 to 3 degree
  • Finish; Internal 320 grit Mirror Polish and outer 180 grit mat finish.

Optionals :
  • Condenser and Receiver in SS 316 instead of SS 304
  • Insulation on the vacuum chamber outer surface except door. The insulation is enclosed and covered with removable SS 304 panels.
  • Skirting /wall panel all along the body/vacuum chamber flange.
  • Validation port with Censors.
  • Hot water system ( steam heated) with MS tank ( Insulated), SS 304 steam radiator/electrical heaters, circulation pump with FLP Motors and controls.
  • Vacuum Pump ( 2stage water ring) with FLP motor.
model RDVTD 3 RDVTD 6 RDVTD 12 RDVTD 24 RDVTD 36 RDVTD 48
no. of trays 3 6 12 24 36 48
capacity in kg 03/05/12 12/18/12 25-35 50-75 75-100 100-150
tray volume in lts /cap. in kg 5/1-1.5  10/2-3  10/2-3 10/2-3  10/02/03  10/2-3
 tray size l w h in mm 406 x 406 x 31 812 x 406 x 31 812 x 406 x 31 812 x 406 x 31 812 x 406 x 31 812 x 406 x 31
 no. o heating shelfs 4 7 7 9 13 17
 shelf size in mm 430 x 430 430 x 835 835 x 835 835 x 1259 835 x 1250 835 x 1250
distance between shelves in mm 100 100 100 100 100 100
trays on each shelf 1 1 2 3 3 3
condensor 0.2 m2 0.5 m2 0.75 m2 1 m2 1.5 m2 2 m2
reciever 10 ltrs 25 ltrs 50 ltrs 75 ltrs 100 ltrs 150 ltrs
vacuum pump capacity 1 hp 3 hp 3 hp 5 hp 5hp 7.5 hp
h.W distribution pipes 1.5 inch  1.5 inch 1.5 inch 1.5 inch 1.5 inch 1.5 inch
 door gasket(silicon) 16mmsq 16mmsq 16mmsq 16mmsq 16mmsq 16mmsq
no if door bolts (40 mm dia) 4 8 10 10 12 12

Design C Tempratrue : 150 Degree Centigrate, Testing: The Vacuum Dryer Shelves Are Hydro-tested 5 Kg/Cm2 In Assembled Condition. The Vacuum Chamber Is Tested For Full Vacuum

 overall dimension(approximately)
 width in mm  1000 1250 1700 1800 1800 1850
 depth in mm 1000 1500 1500 1900 1900 1900
 height in mm 1250 1850 1900 2100 2250 2650
 weight in mm 400 700 1000 1500 2000 2000


Tray Size 16” X 32” 1.25”(h) . For models mentioned above tray can be raised to a maximum of 2”
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