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Factory direct supply Commercial coffee roaster 3 kg, Full city LPG propane industrial coffee roasting machine
WK series coffee roasting machines are our main coffee bean roasting equipment.After almost 10 years' development, Now the WK series coffee roasters have won a great number of customers all over the world.
Advanced design promotion with times, And Strict Craft requirement from Raw materials to finished products, we have been focusing on quality, integrity and service.
WK-3 3kg roaster available in gas type only, designed by single-layer or double-walled 304 stainless steel drum (options), utilize the enough
thermal radiation and hot air to deliver the even roast. WK-6 kg solid drum coffee roasting equipment provides you with a higher
level of efficiency and consistency roasting for many years to come.
Half direct fire and half hot air type coffee roaster, maximum heat utilization, 15-18 minutes can finish the dark roast, manual
and electric hot air volume adjustments, built in cooling fan motor plus cooling mixing to lock the aroma inside the beans by
rapid cooling within 2 minutes.
Model | WK-3 |
Capacity | 500g-3500g |
Heating Source | LPG-NG-Propane |
Temperature Control | OMRON temperature controller and PID auto control |
Motors | 4 |
Power | 610W |
Data Logger | Equipped Standard |
Dimension | 1275*505*1450 mm |
Weights | 285 Kgs |






● 304 Stainless steel drum with the special mixing blades to ensure the best blending and even roast.
● Roasting and cooling can work at same time, separated chaff cyclone for effective chaff separation.
● High quality stainless steel cooling tray with bin agitator
● Factory made high quality burner for effective heating, fuel saving.
● Self ignition with adjustable heat controls
● High grade insulation layer for keeping heat inside the drum
● Sight glass, burner window glass, sampler spoon and the real-time temperature displays for accurate
monitoring during roasting.
● Programmable Temperature preset with alarm feature & manual settings.
● Four high quality motors to control drum, hot air volume, Cooling tray and Cooling mixing.
● Non-stop roasting from 1kg-3.5kg
● Complete manual control of air flow to maximize coffee taste
● Auxiliary LED Lamp attached
● 2-in-1 Ground legs and Casters for easy moving and balancing the machine.
● USB Data logging
● Drum Speed control
● Colors available: Silver, Black, Rose gold ; black, white body painting for options.
● Certificate: CE, ROHS
● Warranty Time: 2 Year

WK series coffee roaster 3KG and above capacities are built combined with manual damper, which you can control your airflow is more precisely than electric type. The manual damper handle is made of aluminium alloy instead of the plastic one which can’t be easy broken due to the overheat with using machine often.

The chaff collector connects to the main unit directly by a hoop, one person can complete the installation, we phased out the long exhaust pipe connects to machine and chaff unit, the new direct connection greatly improves the exhaust system working efficiency.

WK-3 is designed with the drum speed control and data logger. We use the Japan brand variation speed motor for drum speed adjustment which is more durable, the adjust range is 0-100 RPM, it helps you develop more of your roasting skills.
The USB port is next to the drum speed control switch on back of the machine, the computer USB works with Artisan software for data logger function.

WK series chaff cyclone is fully made of stainless steel with a latch type door on bottom, you can easy to open and clean out the chaff by one hand.
On the top of the chaff unit, there is a stainless steel insulation layer (the white round part) to stop the heats keep delivering to the fan motor which sit on top of chaff collector while roasting, In this way, the fan motor is not easy to broken because of overheat. There are several bolts fasten a cover to chaff unit wall on top , that helps you clean up the chaff unit deeply by just taking off the bolts.

WK gas burner made in high quality and produces strong fire flame to fit different roasting requirements, fire flame can be adjusted to weak or strong by adjusting the gas gauge knob. It is can be converted from LPG ( NG) to NG (LPG) by replacing nozzles. wherever you want to use LPG or move to a place for NG,WK gas roasters follow up you in roasting anywhere.

You can do a sample roast in this 3 kg coffee roaster, since it minimum can roast 1kg to maximum 3.5 kg. Front bearing is full stainless steel type which avoid any possible crack, large volume sampler spoon and roasting room glass window help you check your roasting level by every second. Machine runs very quiet, you can clearly hear the sounds of the first and second cracks, we are sure you will you love your roasts with WK-6

Cooling tray works separately from the main unit, you can do roast and cooling job at the same time. Cooling tray powerful motor works with mixers for cooling down the roasted beans rapidly.
The cleaning access is on bottom of the cooling tray with a latch door, if you roast often, Please clean it once a week by a brush.





The closest port to our factory is Qingdao port, but we still can deliver goods to customers from any port in China. (Shanghai, Tianjin, Shenzhen etc.)











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