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HOMEProductsSpray Dryer GB210-A
Spray Dryer Purvis Mini Spray

* Drying of ultra small sample with its solid content of only about 0.5g is possible. Supports spray drying of fine powder of 1μm. * (When optional mini cyclone is used.)

This product is a compact spray dryer that can produce powder easily at a laboratory scale using a spray drying system. It is useful for variety of applications from preliminary experiment at a pilot plant to drying work at general laboratories. It also features multiple power sources from AC200V, AC220V, and AC240V.

Evaporated water
Max. 1,300 mL/h
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
  • Because this product applies heat on fine grain sample instantly and does not apply high temperature on dry fine podwer sample itself, samples unstable to heat can be reliably changed into even fine powder.
  • Prepared fine powder will not be oxidized and contains minimum water and is contamination-free.
  • Drying is made directly from solution or suspension liquid sample into fine powder, which does not need pre- or post processes such as filtration, separation, or pulverization necessary in the conventional drying method and can be used without concern of contamination during a series of operations.
  • Processing of samples that contain organic solvents is possible by connecting a separate solvent recovery unit GAS410.
  • This unit can also be used as a fluid bed drying granulator by installing a separate mini bed attachment GF200.
  • An automatic lift is equipped as standard to enable easy installation or removal of a dry air flow meter (voltage type) or attachments.
  • A service outlet (max. 2A) and a sample stand are equipped as standard for connecting a magnetic mixer for stirring suspended liquid sample.
  • Employment of a unique peristaltic pump, nozzle cooling mechanism, pulse jet mechanism, and a nozzle knocker realize stable spray drying.
  • Global product lineup with multi-language multiple power supply and touch panels in Japanese, English, and Chinese.

Product code 212777
Model GB210-A
Performance 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
Configuration 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
Standards External size W760 x D420 x H1,350 mm
Weight 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
* 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 212776
Mini spray attachment GF300
Evaporated water amount MAX1300mL/h
Sample for drying Suspended solution, emulsion
Ultra hard glass Cyclone, drying chamber, product container

*Model GAS410 *Operability
* * Employment of one touch removal system has made removal or cleaning of the drying chamber, the cyclone, or the product container further easier.

System diagram
No. Part name No Part name
(1) Heater (16) Outlet temperature sensor
(5) Spray nozzle (17) Blind
(7) Liquid sending pump (18) Suction port, suction filter
(8) Blower (19) Nozzle cooling connection port
(10) Solenoid valve (20) Drying chamber
(11) 3-way solenoid valve (21) Cap
(12) Needle valve (22) Distributor
(13) Pressure meter (23) Cyclone
(15) Inlet temperature sensor (24) Product collecting container

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

* * Food and medicinal products Powder milk, egg york, soy sauce, coffee, starch, protein, hormone, serum, antibiotics, enzymes, fragrant materials, essences, etc.
* Organic chemistry Wax, die, cleaning agent, surface acting agent, agricultural chemical, antiseptic agent, synthesized resin, pigments, etc.
* Inorganic chemistry Ferrite, ceramics, photocopy toner, magnetic tape materials, photosensitive materials, various industrial chemicals, waste fluid of samples, etc.

*Repeatability of spray drying test
Sample name Sample
Drying conditions Yield
Recovery rat
Inlet temp.
Outlet temp.
Dry air amount
Spray air pressure
Test sample amount
Sent amount of sample liquid
Test tim
1 Coffee solution 5 150 80 0.45 147(1.5) 198 6.6 30 8.1 81.8
2 Coffee solution 5 150 80 0.45 147(1.5) 198.7 6.6 30 8.1 81.5
3 Coffee solution 5 150 80 0.45 147(1.5) 200.6 6.7 30 8 79.8
4 Coffee solution 5 150 80 0.45 147(1.5) 198.1 6.6 30 8.2 82.8
5 Coffee solution 5 150 80 0.45 147(1.5) 199.3 6.6 30 8.4 84.3

Optional items
Product name Product code
Fine grain sample collecting cyclone 212780
Safety cover 212787
* Inlet/outlet temperature recorder (3-dot) 212792
Static removal brush set 212788
Viton packing for cyclone inlet/outlet (1 set of 2 types) 212781
Teflon packing for cyclone inlet/outlet (1 set of 2 types) 212782
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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