Automate liquid dosing and secure pouch sealing in one production process

A liquid pouch filling and sealing machine packages free-flowing or viscous products in flexible film or premade pouches. It combines controlled dosing with repeatable heat sealing to create compact retail or foodservice packs. Weishu Milk Production Line provides pouch packaging equipment for dairy, beverages, and other liquid-food applications.
Stainless steel cheese vat equipped with an integrated control panel for automated dairy processing.
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Liquid Pouch Filling and Sealing Applications

Machine selection depends on product viscosity, particle size, filling temperature, hygiene target, pouch format, film structure, and required volume. The actual product and packaging material should be tested together.
Small liquid beverage pouches being automatically filled and heat sealed.
Milk and Beverage Sachets
Single-serve milk and beverage sachets offer a lightweight package for retail distribution. Automated machines can form the pouch, dose the liquid, seal it, and separate individual packs. Film tracking and seal control are important for consistent appearance and leak resistance.
Viscous sauce being dosed into flexible pouches before sealing.
Sauce and Viscous Product Pouches
Sauces, concentrates, and dairy-based liquids may require pumps and nozzles designed for higher viscosity. Clean cutoff helps prevent product from contaminating the seal area. Recipes containing particles must be evaluated for passage size and dosing repeatability.
Sealed liquid pouches moving toward inspection and secondary packing stations.
Pouch Inspection and Secondary Packing
Weishu Milk Production Line can connect pouch filling with coding, seal inspection, collection, and carton or crate packing. Gentle product handling helps protect flexible packs. Cleaning access and fast film change procedures can support efficient daily operation.