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DONGYI Electric&Gas type 1 kg 2kg 3kg 5kg 6kg coffee roaster with Manual damper:


Hand Built for Craft Roasting
♥Total Control:
Digital electronic gas control, Magnehelic drum pressure gauge, Variable drum and fan speeds. Powerful dedicated cooling fan.
♥Heavy Duty
Build Industrial quality, solid plate and all stainless steel construction.
♥Advanced USB Data Logging
State of the art real time roast data and logging via four factory installed thermocouples, Drum speed, fan speed, and gas pressure available into the datalogging platform of your choice.
♥Natural or LP Gas
High output, fully adjustable natural and LP gas burners.
| Roaster Size | 1080x800x960 mm |
| Roaster Weight | 157 kg |
| Chaff Collector Size | 400x958mm |
| Chaff Collector Weight: | 25 kg |
| Drum Construction | Double-walled Drum, 310 Stainless Steel, Welded |
| Batch Size | 0.4-2.4 kg |
| Average Roasting Time: | < 15 minute batch |
| Power | Single Phase, 220V, 15A, 50-60Hz |
| Step-Up Transformer | 120V to 220V, 1000W |
| Drum Motor | 45W |
| Exhaust Fan Motor | 50W |
| Cooling Fan Motor | 50W |
| Cooling Tray Stirring Motor: | 15W |
| Fuel Type | LP Gas -or- Natural Gas |
| Max. BTU | 30,000 |
| Burner Control | Manual Valve |
| Gas Connection | 1/2" NPT |
| Gas Pressure Required | LP Gas: 7” of water column Natural Gas: 11” of water column |
| Gas Orifices Size | LP Gas: 0.7 mm (installed at factory) Natural: 0.9 mm (see conversion/instructions) |
| Max Gas Usage | 1.1 lb/hr (0.5 kg/hr) |
| Typical Roaster Exhaust High Temp | 400°F - 450°F |
| Chaff Collector Exhaust High Temp | 300°F |
| Cooling Tray Exhaust High Temp | 180°F |
| Max Exhaust | 250 CFM |
| Exhaust Venting Type Required: | Class III, Positive Pressure |
| Bluetooth | Modbus CP210/artisan software |
| Logging Thermocouples: | BT, ET, Incoming Air |
| Color On Roaster Body | Black,Red,White,Pink |
| Color On Housing Plate | Golden,Silver,Rose Gold |
| (Mirror or no fingerprint) | Black Titanium,Riffled Plate |
*Electronic speed governor for HOT AIR / Hand damper available [JMC TOP BRAND]
*ADDK superior motor OMRON VFD converter speed control [TOP BRAND]
*310SUS double wall drum/cast iron drum option
*25℃+ warm up temperature rate per minute
*Artisan roasting data logging [Bluetooth connect computer]
*Cast Iron gas burner / carbon fiber heating tube
*Coffee Q-master rating and teaching coffee machines
*CE,UL,RoHS,ISO9001:2000




1 Food Grade 310 Stainless Steel Drum for even heating.
2. insulation layer to prevent heat consumption and excellent insulation effect
3. 360' heating elements to provide even heated on coffee beans
4. 4 independent power motors which can do roasting and beans cooling down at same time. 2 Mins Fully Cool down.
5. High quality stainless steel cooling tray with bigger size from 36cm to 48cm for 1kg-3kg roasters to save a lot cooling time.
6. Adjustable speed motor control for drum suit for roasting different kinds of beans.
7 OMRON Dual Thermometer, Data output supported.
8 Optional Artisan Software to see roasting profile, Real time dynamic temperature curve.
9. Adjustable hot air control.
10. High quality wooden handle for sampling spoon.
11. Electric or Gas optional.



Nanyang Dongyi Machinery Equipment Co.,Ltd
Tel:+86-13461922891(Whatsapp)
Skype:lee.cara9 Wechat:1061988002
Web:www.coffeeroaster.en.alibaba.com
Facebook:dongyiroasters
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