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HOMEProductsSpray Dryer GB210-B
Spray Dryer Purvis Mini Bed (Spray Dryer (For Granulating, Drying, Mixing) )

* Spray dryer to granulate powder and to dry wet powder

This unit has been designed to granulate powder and to dry wet powder using a fluid bed. This is a fluid bed drying granulator that is used in the combination of Basic unit GB210 and Mini-bed attachment GF200. The unit supports multiple power supplies of AC200V, AC220V, and AC240V.

Processing capacity
50g to 300g
Temp. adjustment range
40 to 220deg.C
Sample flow
Variable up to 26 L/min.
Spray nozzle (selectable)
For liquid/gas
Power supply
AC200V to 240V

PDF Catalog
  • Experimental conditions such as the hot air temperature, air amount, binder liquid sending amount can be set with the setting dial on the front of the unit easily.
  • The chamber is made of ultra hard glass and the user can observe status of the fluid bed or spraying status. Also, the flowage meter, the spraying pressure meter, the chamber inlet/outlet temperature indicator are useful for evaluation of data.
  • The unit can also be used as a spraying dryer by installing the mini spray attachment GF300 (optional).
  • The unit also has an automatic lift as a standard to enable convenient attachment or removal of the drying air flow meter (voltage type) or attachments.
  • Product configuration is global as can be seen in the multiple power supplies and the touch panel that supports Japanese, English, and Chinese.

Product code 212778
Model GB210-B
Temp. adjusting unit setting range 40 to 220deg.C (inlet temperature), 0 to 60deg.C (outlet temperature)
Temperature adjusting accuracy Inlet temperature±1deg.C
Drying air amount adjusting range 0 to 0.7 m3/min
Spray air pressure adjusting range 0 to 0.3 MPa
Liquid sending pump flow rate range 0 to 26 mL/min
Spray air line washing function Spraying at the nozzle tip, manual pulse jet system
External output Inlet temperature, outlet temperature, temperature outlet (4-20 mA)
Automatic lift Moving up/down of glass chamber automatic lift
Temperature adjusting device PID digital temperature adjusting device
Touch panel Blower, heater, liquid sending pump, pulse jet switch, error display
Control select switch Inlet temperature, output temperature control switch (outlet temp. control is conditional)
Temperature sensor K-thermocouple
Heater 2.0 kW (at 200V) to 2.88 kW (at 240V)
Liquid sending pump Fixed amount peristaltic pump
Spraying air pump Spraying air compressor (sold separately) is used.
Service outlet For stirrer: AC100V, Max. 2A
Suction blower Bypass blower, brushless DC motor
Filter Suction filter, exhaust filter
Recovery of solvent Solvent recovery unit GAS410 (sold separately) is used.
Spray nozzle cooling mechanism Connector: nipple x 2, O.D.:φ10.5 mm
Spray air connection diameter Nipple diameter:φ7 mm
Exhaust connecting diameter φ50 mm
Safety function Inlet/outlet temperature overheat, sample feed reverse rotation mechanism, over current electric leakage breaker, nozzle connection error
External size W760 x D420 x H1,350 mm
Weight Approx. 110 kg
Power supply (50/60Hz) rated current AC200V 16A (20A) (AC220V 17A, AC240V 18A *Switching of terminals necessary)
Accessories Silicon tube (with a stopper) x 3, tiron tube (with a stopper) x 2, exhaust duct (with one hose band) x 1, outlet temperature sensor, spray air tube, sample box, static electricity removal earth, Tetlon braided hose 5m (with two hose bands), a container table

Control panel
GA22 Control Panel Inlet temperature, outlet temperature, and drying air amount are digitally displayed. Setting is made on the touch panel that allows operation settings, operation status display as well as error display, and settings of various operation conditions also in English and Chinese in addition to Japanese.
Product code 212775
Mini bed attachment GF200
Configuration/standards Processing capacity 5 to 300g
(It differs depending on whether the unit is of the batch type or specific samples used.)
Flow layer chamber capacity 3L
Spray nozzle Dual fluid nozzle: 1A
Stirring blades Integrated inside the flow layer chamber
Filter Polyester
(Carbon fiber mixed PTFE membrane laminate)
Filter cleaning mechanism Pulse jet system
Glass parts Ultra hard glass
Weight Approx. 13 kg

System diagram
GA22 System diagram
No. Part name No. Part name
(1) Heater (11) 3-way solenoid valve
(2) Micro porous plate (12) Needle valve
(3) Flow layer chamber (13) Pressure meter
(4) Filter chamber (14) Stirring blades
(5) Nozzle (15) Stirring heater
(6) Filter (16) Inlet temperature sensor
(7) Liquid sending pump (17) Outlet temperature sensor
(8) Blower (18) Blind
(9) Interim pipe (19) Suction port, suction filter
(10) Solenoid valve (20) Nozzle cooling connection port

Spray nozzle
* The tip of the nozzle comprises of a nozzle for liquid and a nozzle for gas.
Product code Model Nozzle No. Size (μm)
281297 1A
(F)1650 A 406
B 1270
(A)64 C 1626
281298 1 (F)2050 A 508
B 1270
(A)64 C 1626
281290 2A (F)2050 A 508
B 1270
(A)70 C 1778
281291 2 (F)2850 A 711
B 1270
(A)70 C 1778
281292 3 (F)2850 A 711
B 1270
(A)64 C 1626

*Applications *Operability
* Granulation, drying, mixing of powder

Medicines, food, catalyst, die, detergent, ceramics, etc.

The unit accepts sample weight as less as 50 to 300g and is suitable for experiments of expensive samples or those of a laboratory level.
Employment of one touch removal system has made removal or cleaning of the drying chamber, the cyclone, or the product container further easier.

*Example of implementation
Sample Binder
Name Weight
Name Density
Spray amount
Silicon 200 PVA 5.0 77
Oxidized iron 160 PVA 2.5 50
Ceramics 200 PVA 3.0 106
Alumina 160 PVA 3.0 60
Silica 150 CMC 1.0 100
Lactose 200 Sorbitol 70.0 10
Tea essence 250 Guar gum 0.5 24
Grease containing powder 200 Glucose 30.0 11

Sample Testing conditions Results
Name Inlet temp.
Liquid sending speed
Spraying pressure
No. of spraying Nozzle height
Average dia.
12 to 115 mesh
recovery rate (%)
Silicon 125 15 59(0.6) 4 27 339 58
Oxidized iron 120 15 98(1.0) 4 21 205 62
Ceramics 120 15


3 22 404 82
Alumina 110 15 59(0.6) 4 22 311 88
Silica 120 15 78(0.8) 4 22 306 60
Lactose 100 14 98(1.0) 4 25 390 80
Tea essence 85 6 59(0.6) 10 28 333 77
Grease containing powder 85 4 59(0.6) 7 22 236 82
*The average granule diameter is a geometric average.

Optional items
Product name Product code
Safety cover 212787
* Inlet/outlet temperature recorder (3-dot) 212792
Regulator 212789
Supply air filter box (for 0.3 micro meter collection) 212791
1.The item marked " * " in the column of "Remark" shall be ordered together with the main unit.
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