The filling equipment has a simple structure and high efficiency. It adapts to the viscosity of the material in a wide range, such as oil, syrup, and fruit wine. The filling machine can be divided into normal pressure filling machine, pressure filling machine and vacuum filling machine according to the filling principle.
1. Normal pressure filling machine: is to rely on liquid self-loading filling under atmospheric pressure. This type of filling machine is divided into two types: regular filling and fixed capacity filling. It is suitable for filling liquids with low viscosity and no gas such as milk and wine.
2. Pressure filling machine: It is filled under atmospheric pressure. It can also be divided into two types: one is that the pressure in the liquid storage tank is equal to the pressure in the bottle, and it flows into the bottle by the liquid weight. It is called isostatic filling; the other is that the pressure in the liquid storage tank is higher than the pressure in the bottle, and the liquid flows into the bottle by the pressure difference. This method is adopted in high-speed production lines. The pressure filling machine is suitable for liquid filling with gas, such as beer, soda, champagne and so on.

3. Vacuum filling machine: It is filled under the pressure of the bottle below atmospheric pressure. The filling machine has the advantages of simple structure, high efficiency, wide adaptability to the viscosity of materials, such as oil, syrup and fruit wine.
4. Oil filling machine: can fill various types of oil, such as edible oil, lubricating oil, peanut oil, soybean oil and so on. This type of filling machine is a filling machine specially developed for oil material filling, which can realize flexible configuration of manual operation and unmanned operation.
5. Plug-in filling machine: This type of filling machine is widely used in food, daily chemical, oil and other special industries, can fill a variety of liquid, paste products, such as disinfectant, hand soap, toothpaste, ointment , a variety of cosmetics and other items.

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