FDG Indirect Gas-Fired Dehydrators are different from other drying units. Unlike a direct-fired unit, the burner is fired into a tube-type heat exchanger; therefore, the product’s combustion does not contact recirculated air or the product in the drying chamber.

Each system includes the burner assembly, an insulated drying chamber, air handling components, and PLC-based electrical controls with an operator screen. 

What Capacity Do You Need?

Which water removal rate best fits your process? Ideal rates are highly product-dependent. However, it can be calculated with three measurements of your existing process: product wet weight, product dry weight, and time from wet to dry.

By finding the product weight change (wet weight minus dry weight) and dividing this by the time measurement (in hours), you can find the average water removal rate (in pounds per hour) occurring in your current process. Next, you can scale this number based on the amount of wet product you wish to start with or the amount of dry product you want to end with. Now, you need to decide how much drying area you need.


Nyle Systems FD-G Indirect Gas-Fired series controllers are the best in the industry. Each unit comes with an intuitive touchscreen controller programmed with flexible drying scheduling software. Drying schedules can be saved and modified as necessary and remote access is available as long as there is an internet access point.

Product Comparison

Unit Number of Racks Water Removal Rate Load Space Dimensions (L x W x H) Footprint Dimensions (L x W x H)
FDG 600 18 Racks 200+ lbs/hr 15' 2" x 5' 7" x 6' 0" 25’ 0” x 6' 3" x 11’ 0"
FDG 1000 30 Racks 300+ lbs/hr 24' 10" x 5' 7" x 6' 0" 34’ 0" x 6' 3" x 11’ 0"
FDG 5000 138 Racks 1000+ lbs/hr 52' 4" x 11' 0" x 6' 0" 53’ 1” x 23’ 6” x 10’ 4”