Food Depositing Machine Manufacturers
Connect with verified food depositing machine manufacturers on Towobo. Source piston depositors, pump depositors, and volumetric filling machines for sauce, soup, stew, and ready meal tray filling, and bakery batter and cream depositing applications.
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Browse Food Depositing Machine Suppliers →Food depositing machines — operation and types
A food depositor accurately portions a set volume or weight of liquid, semi-liquid, or viscous food product into a tray, cup, jar, or baking tin. Depositors are used in ready meal tray filling (depositing sauce, gravy, or soup components into meal trays), bakery production (depositing batter into cake tins, cream into pastry, jam into tarts), and confectionery (depositing gummy, hard candy, or chocolate masses into moulds). The main types include: piston depositors (a hydraulic piston withdraws from the cylinder to draw product in, then advances to push a precise volume into the container or mould — accurate and suitable for thick, chunky, or particulate products); pump depositors (peristaltic, gear, or rotary lobe pumps meter the product continuously or in controlled pulses — suitable for flowable liquid products and for continuous production); and time-pressure depositors (the valve opens for a controlled time under a set product pressure, delivering a volume determined by the time and pressure — simpler, less accurate for viscous products but well-suited to thin liquids). For ready meal tray filling, multi-nozzle piston or pump depositors fill multiple trays simultaneously for high throughput.
Frequently asked questions
How is depositing accuracy measured and what is achievable?
Depositing accuracy is expressed as the coefficient of variation (CV) or as the weight tolerance of individual deposits — the standard deviation of deposit weights as a percentage of the target weight. For high-quality piston depositors with consistent product viscosity and temperature, a CV of 0.5–2.0% is achievable for liquid and semi-liquid products. Accuracy degrades if: the product viscosity changes during the run (due to temperature changes or product heterogeneity); the product contains particulates that occasionally block the valves; the product has aeration that creates variable density; or the machine is worn or poorly maintained. Depositing accuracy must be validated on your specific product and recipe at the production temperature before specifying a depositing machine.
What is the maximum chunk or particulate size a depositor can handle?
The maximum chunk size that a food depositor can handle depends on the bore size of the nozzles, the valve design, and the type of pump or piston. Piston depositors with large-bore nozzles can handle chunks up to approximately 20–30mm diameter in a sauce or gravy. Pump depositors with rotary lobe or diaphragm pumps can also handle larger particulates. Small-bore nozzles (used for precise decoration or small volume deposits) cannot handle chunks. If your product contains large vegetable pieces, meat chunks, or whole legumes that must pass through the depositor intact, confirm the maximum chunk size the machine is designed for and request a trial with your specific product to validate chunk passage without damage.
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