Liquid Filling Machines & Automatic Liquid Filling Lines

The best filling machine depends on the liquid’s viscosity, foaming characteristics, filling volume, container type, required accuracy, and production speed. Gravity and pump fillers are commonly used for free-flowing liquids, while piston fillers can handle medium to higher-viscosity products. Overflow filling is suitable when a consistent visual fill level is important, and net weight filling is often used for larger-volume applications.

Start with your product characteristics and production requirements. Key factors include product viscosity, filling volume, bottle or container size, required output, filling accuracy, and whether the product foams or contains special ingredients. Providing product samples and containers can help ZONESUN recommend and configure a suitable filling system.

Foaming liquids generally require controlled filling speeds and suitable nozzle designs to reduce bubbles, splashing, and overflow. Depending on the product and container, bottom-up filling, diving nozzles, overflow filling, or other customized filling methods may be used. Testing with actual product samples is recommended when selecting the system.

Yes. Many ZONESUN liquid filling machines can be adjusted or customized for multiple bottle sizes and filling volumes. Depending on the machine and container differences, changeover may involve adjusting filling nozzles, bottle guides, sensors, conveyor settings, or replacing format parts.

Production speed depends on the filling volume, product characteristics, number of filling heads, container size, filling technology, and upstream and downstream equipment. ZONESUN can configure multi-head, servo-driven, tracking, or other automatic filling systems according to the required production capacity.

Yes. ZONESUN can integrate bottle feeding, liquid filling, cap feeding, capping, labeling, coding, conveying and end-of-line packaging into a customized automatic bottling line.