The most durable small batch roaster in the world
The legendary SF-25 San Franciscan Roaster™ is a robust platform that roasts from 6 pounds (3kg) to 25 pounds (12kg) of green coffee per batch with up to 4 roasts per hour. This gives you a maximum roast capacity of 100 lb. per hour (48kg/hr).
Running on either Natural Gas (LNG) or Propane (LP), the SF-25 is fitted with an afterburner designed to comply with most stringent air quality control mandates by burning up any smoke and odor from the roasting process. For ease of maintenance, the afterburner and chaff collector are combined in a separate cylinder behind the roaster.
The SF25 is compatible with most data-logging programs and your choice of data logger can easily be built into your new roaster.
Each Roaster is meticulously handcrafted to your exact specifications in our workshop right here in Carson City, Nevada. Built for the artisan to produce the finest roasted coffees, and built to last a lifetime. The SF-25 has gained an international reputation as one of the best small batch roasters in the world– and as you can see, The San Franciscan Roaster™ is a beautiful centerpiece for any coffeehouse or roasting facility.
Features of the 25lb/12kg San Franciscan Roaster™ Model SF-25
- San Franciscan Roasters are hand-made in the USA.
- All components used are made in the USA and parts can be purchased in the USA and worldwide
- The roaster is a continuous batch roaster – it roasts and cools at the same time; therefore you can do four roasts per hour (100 lbs).
- Roasting time is 13 to 15 minutes.
- Maintenance is easy and simple. The pipes are exterior and can be taken off to clean by removing the band clamps. Cooling tray detaches easily for cleaning.
- Minimal maintenance is required – Lubrication of bearings every 30 days.
- The cooling sweep pivots off of lifetime bearings so no lubricating is necessary.
- The chaff cyclone is in the cylinder which sets behind the roaster, making it much easier to clean
- Broken beans can be removed easily, due to the design of the ash tray on the front of the machine.
- The San Franciscan Roaster has four identical 1/3 hp motors
- Cooling tray sweep (which is pivoted off 2 lifetime bearings)
- Drum sweep
- Hot air fan
- Cooling fan
- The San Franciscan is ETL approved as all electrical components meet the Electrical Testing Laboratory regulations.
- Hot air flow is controlled through the roaster chamber by a hot air damper.
- The roaster lights automatically and the burner is easily seen through a sight hole.
- All San Franciscans are powder coated with powder baked on at 400°F making the surface very durable.
- The San Franciscan Roaster is made of 100% schedule 40 steel and contains no cast iron to enable it to withstand constant heating and cooling without any deteriation.
- The face plates are 5/8ths inch steel.
- San Franciscan Roasters are compatible with most data-logging programs and your choice of data logger can easily be built into your new roaster.
Suggested Installation Instructions
There should be a minimum of 18″ clearance completely around the machine.
The vent piping should be a UL-103HT approved for positive pressure, 8″ inside diameter. The temperature rating should be no less than 1,400 degress continuous duty and 2,100 degrees intermittent.
- The machine is fused with 20 amp. main fuses.
- A 30 amp. power source to the machine will be more than adequate.
- 220 volt, 3 prong grounded plug-in.
Gas line requirements:
- If not more than 30′, 3/4″ black gas piping will be adequate; otherwise, check with your local gas company. Tell them the actual footage from the meter to your new roaster and that you need to be able to operate an appliance that will consume 2lbs of gas per hour at 7 water inch columns of gas pressure.
The roaster should be bolted with 4 1/2″ floor anchor bolts. A roped off or fenced in operating area is suggested.
NOTE: Skin surfaces of afterburner can reach temperatures of 150 degrees F.
Also note that all of The San Franciscan Roaster Co. manufacturer’s suggested installation requirements are just suggestions. All federal, state and local codes do take precedence over any of our suggested installation requirements.