Vladislav --
There are many videos about FBM equipment on their YouTube channel - http://www.youtube.com/user/fbmboscolo
As to the question of what is the maximum capacity of the belt ?
Don't think about kilos of chocolate per hour as the measure of capacity when buying an enrobing system. It's all about the average number of piece per hour you can put through the machine.
Your throughput will depend on the size of the pieces you are enrobing, what's being done after the pieces come off the belt (how they are decorated), how many people are working the line (1 or 2 or more), how well the work is organized, how much experience the operators have working together, the width of the belt, and whether or not you have a cooling tunnel.
An average of 1000 pieces/hr over an 8 hour shift at 5gr of chocolate/piece is 5kg/hr, or 40kg/day or about 1MT/month of chocolate per month producing roughly 18,000 pieces.
Think about the number of pieces you need to produce, not how much chocolate you're using and work from there. FBM's Compatta, with a 12kg working bowl and an 18cm belt can handle the 5kg/hr required to produce 18,000 pieces/month. If you want to produce more than that, I would recommend moving up to a wider belt and seriously consider a cooling tunnel.
LIST prices for FBM tempering machines with enrober belts run from about 11,000 (7kg working bowl, 18cm belt) to 33,000 (60kg working bowl, 40cm wide belt). Cooling tunnels range from about 22,000 to 37,000 depending on width (30 or 40cm) and length (4-10 meters).
I can send you catalog pages via email if you want more information.
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clay - http://www.thechocolatelife.com/clay/