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Firewood Commercial Roaster
Ghibli R15 Firewood
3-15Kg batch capacity
Commercial Roaster Ghibli R15
Ghibli R15
3-15Kg batch capacity
Commercial Roaster Ghibli R30
Ghibli R30
7-30Kg batch capacity
Commercial Roaster Ghibli R60
Ghibli R60
20-60Kg batch capacity
Commercial Roaster Ghibli R90
Ghibli R90
30-90Kg batch capacity
Solar Eco Shop Roaster
Solar Eco
2kg batch capacity
Shop Roaster FZ94 Evo
FZ94 Evo
0.1-2.4Kg batch capacity
Shop Roaster Silon ZR7
Silon ZR7
1-7Kg batch capacity
Stingray e7
1-7Kg batch capacity
Smoke Trapping System
Avirnaki
Smoke Free Filter
Silon ZR7 Cocoa
1-7Kg batch capacity
Coffee-Tech Engineering - Advanced Commercial Coffee Roasters
FZ94 Evo Cocoa
0.5-2.4Kg batch capacity
Ghibli R15 Cocoa
3-15Kg batch capacity
Shop Roaster FZ94 Evo
FZ94 Evo
0.1-2.4Kg batch capacity
Smoke Trapping System
Avirnaki
Smoke Free Filter
Smoke Trapping System
Avirnaki
Smoke Free Filter
Afterburner
Direct fired thermal oxidizer
Industrial Afterburner
Direct fired thermal oxidizer
Commercial Avirnaki
Commercial Smoke Free Filter
  • Solar Eco Shop Roaster
  • FZ94 Evo Shop Roaster
  • Silon ZR7 Shop Roaster
  • Stingray E7 Electric Roaster
  • Avirnaki Smoke Trapping System

Stingray E7 Electric Roaster

Stingray E7 Front Left
Stingray E7 Front Right
Stingray E7 Left Rear View
Stingray E7 Right Rear View
‹ ›

“The Stingray is an electric coffee roaster, engineered with precision to deliver exceptionally consistent roasts. Our exclusive ElectroFlame technology and smart Heat Management Software are a breakthrough in the industry, pairing a powerful electric burner with a meticulously designed ceramic drum housing to create an unparalleled roasting experience and an exceptional cup profile.”

– Ram Evgi, founder and CEO

Technology

Meet ElectroFlame: Electric roasting redefined.
Introducing ElectroFlame technology, a breakthrough that brings electric roasting to a new level. Engineered to preserve the distinguished CTE cup profile, ElectroFlame combines a high-performance electric burner, housed within a custom-designed ceramic drum housing.

With a fully insulated chamber, the drum operates at sub-atmospheric pressure, ensuring exceptionally consistent roasting.
With the Stingray, roast masters gain complete precise control over the profile, enabling every roasting style, and delivering the entire spectrum of flavor and aroma.

Electric Smokeless Roasting

A fully electric Smokeless System: Zero Emissions, Maximum Sustainability.
For a truly sustainable roasting experience, the Stingray integrates seamlessly with the Commercial Avirnaki—a fully electric smoke elimination system designed for maximum efficiency and durability.

Providing a cleaner, more efficient alternative to afterburners, the Avirnaki operates with zero reliance on fossil fuels while completely eliminating harmful emissions like CO and NOx.

Heat Transfer Method

The best of conduction and convection: optimized for precision and control.
The Stingray E7 is a revolutionary conductive roasting system that utilizes an efficient, low-volume at high-pressure airflow to precisely direct heat within the roasting process.

This innovative approach balances the benefits of conduction and convection, ensuring a smooth, controlled, and precise roasting process.
The result? coffee that is exceptionally rich, clean, complex, and well-developed, free from excessive wood taste, smog, or cereal-like notes.

Efficiency

Optimizing Roasting Efficiency Through Thermodynamics and Heat Preservation.
The Stingray is designed for unmatched energy efficiency, with integrating state-of-the-art thermodynamic heat preservation and proprietary heat management software. This advanced system ensures consistent, high-performance roasting while minimizing energy consumption greatly.

Equipped with an exceptionally efficient and powerful burner, the Stingray maintains reliable, long-term performance. Precision-engineered for maximum efficiency, it delivers remarkably low energy usage per cycle—without compromising on power or roasting quality.

User Protection

Setting New industry Standards in user safety
As an industry leader in coffee roasting machines, we set the highest standards for user safety. Our roasters are engineered with stringent safety measures, each product comes equipped as standard with multiple built-in safety mechanisms—at no additional cost.

Most importantly, our sub-atmospheric roasting chamber prevents gases and pollutants from escaping into the user’s environment, protecting roastmasters from excessive exposure to harmful emissions. At Coffee-Tech Engineering, we take every measure to ensure a safe roasting environment for you and your staff.

 

Stingray E7 Brochure EN
Stingray E7 Brochure FR
Stingray E7 Brochure DE

Technology & Features

Coffee Roaster with Electric Heating
Electric Heating
Heating Technology
Preserving the highest roasting quality utilizing only electricity. Safe, Green, Reliable, no gas required.
Drum Roasting
Drum Roasting
Roasting Methods
The primary roasting method in this roaster is drum roasting conduction.
commercial coffee roaster machine Conduction
Conduction
Roasting Methods
Heat is delivered by direct contact between the beans and the hot surface of the drum
Convection
Convection
Roasting Methods
Hot air is forced through the beans
Automatic commercial coffee roaster
Automatic
Optional
Operation is run automatically and handled by an Automatic Roasting Management Software.
Coffee Roaster Green Product
Green Product
Optional
This product excels in its low rates of emission and air pollution.
Coffee Roaster Smoke Free
Smoke Free
Optional
An efficient and green smoke elimination system, designed by Coffee-Tech R&D
coffee roaster for commercial use Low-NOx
Low-NOx
Sustainability
Ultra low NOx specs fulfill the strictest pollution standards
Coffee Roaster with ceramic coated chamber
Ceramic Chamber
Heating Technology
A ceramic coated chamber surrounding the drum ensures thermal stability and efficiency
commercial coffee roaster In-Drum Extinguisher
In-Drum Extinguisher
Safety
Safety device, a live waterline connected to the drum in case of in-drum fire
large coffee roaster Sub-Atmospheric Combustion Chamber
Sub-Atmospheric Combustion Chamber
Built in Features
By drawing a vacuum in the roaster it allows uniformly better results that are not influenced by atmospheric humidity or atmospheric pressure.
roasting machine with Full Modulation
Full Modulation
Built in Features
Fully Modulated Pre-Mix Turbo Gas Burner Technology
roasting machine Multi Point Temp
Multi Point Temp
Control Features
Temperature probes gathering thermal data from the beans, exhaust & drum space
roasting machine Blower Speed Control
Blower Speed Control
Control Features
Electronic drum venting control, setting convective heat percentage while roasting
commercial coffee roaster Drum Speed Control
Drum Speed Control
Control Features
Electronic drum speed control, setting conductive heat percentage while roasting
Coffee Roaster Manual Safety Crank
Manual Safety Crank
Safety
The manual safety crank allows you to manually evacuate your beans should your roaster loose its power supply.
commercial coffee roaster with Touch Screen
Touch Screen
Control Features
Our touch screen control system allows you full, simplified control and monitoring of your roasting process. 
coffee roasting machine commercial Roast Data Logger
Roast Data Logger
Control Features
A PC-supported profile software, featuring beans temp', drum temp' and rate-of-rise graph
coffee roaster for commercial use Vortex
Vortex
Built in Features
Drum air-inlet screens configured at vortex geometry to allow very efficient high-velocity air
commercial coffee roaster machine Thermodynamic Drum
Thermodynamic Drum
Optional
Smart configuration & multi metal composite to conduct heat efficiently & safely onto your precious beans
Award Winning Technology
Built in Features
Coffee-Tech Engineering has won multiple awards within the world of coffee for contributions both in design and technological innovation.

Technical Specifications

Batch Capacity
1–7 kg (2.2–15.5 lb) of green coffee
Roasting Cycle
13-17 minutes ± 4 batches per hour
Electrical Specifications
50/60 Hz, 18,000W, 380V
Quality and Safety Compliance
CE , RoHS, EMC
Body
Full precision metal work, top quality materials and hardware
Drum Operation
Individual, heavy-duty gear motor. Digital variable drum speed control comes standard
Heating Method
ElectroFlame Technology
Drum Housing
Sub atmospheric combustion chamber
Cooling Agitation
Individual, heavy-duty gear motor
Cooling Blower
High capacity cooling blower, cooling time is ±3 minutes
Safety
Safety drum discharger, in drum extinguisher, emergency stop button
Weight
255 kg (562 lb)
Chaff Evacuation
Full size, high capacity cyclone chaff collector
Bearings
Heavy duty, precision bearings. Long intervals between required maintenance
Dimensions
121 (w) X 165 (d) X 153 (h) cm / (48” (w) X 59” (d) X 66” (h) Inch With cyclone
Process Quality Control
Large pyrex lens for easy monitoring of roasting progress. Digital, double temperature controller for heat control allows determining temperature range for roasting
Wish to hear more about our roasters?
Contact Us
Coffee-Tech Engineering - Advanced Commercial Coffee Roasters
We are passionate about making the best coffee roasters in the world. We dare write such a compelling statement because we build our coffee roasters along unmatched sets of standards; you can count on us to go beyond your expectations.
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  • Commercial Coffee Roasters
    • Ghibli Firewood Roaster
    • Ghibli R15 Roaster
    • Ghibli R30 Roaster
    • Ghibli R60 Roaster
    • Ghibli R90 Roaster
  • Shop Roasters
    • Solar Eco Shop Roaster
    • FZ94 Evo Shop Roaster
    • Silon ZR7 Shop Roaster
    • Avirnaki Smoke Trapping System
  • Cocoa Roasters
    • Silon ZR7 Cocoa Roaster
    • Ghibli R15 Cocoa Roaster
    • FZ94 Evo Cocoa Roaster
  • Lab Equipment
    • FZ94 Evo Roaster
    • Avirnaki Smoke Trapping System
  • Smokeless Roasting
    • Afterburner
    • Avirnaki
    • Industrial Afterburner
    • Commercial Avirnaki
Coffee-Tech Engineering