NP-GF Gravity Liquid Filling Machine Automatic For Bottle

The NP-GF automatic gravity liquid filling machine is a fully automatic, inline filler designed for the efficient filling of thin liquids, including soy sauce, glass cleaner, window cleaner, vinegar, and similar products. Its versatility makes it an ideal choice for a broad range of sectors, including food and beverage, pharmaceuticals, and cosmetics. This machine seamlessly integrates with additional equipment, such as capping machines, labeling machines, and case sealing machines, to establish a complete foam liquid filling production line


Gravity Liquid Filling Machine

High foamy Liquid Filling Technology

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The gravity liquid filling machine is a fully automated, inline system with customizable options for the number of filling heads, accommodating various production capacities with configurations like 6, 8, 10, 12, 16, or 20 heads. It’s specifically engineered for the efficient filling of thin liquids, including soy sauce, glass cleaner, window cleaner, vinegar, and more. This machine finds widespread application across multiple sectors, such as food and beverage, pharmaceuticals, and cosmetics, primarily focusing on the precise filling of containers with liquid products. To create a comprehensive foam liquid filling production line, it can seamlessly integrate with additional equipment, including capping machines, labeling machines, and case sealing machines.

Machine Features

The Gravity Liquid Filling Machine boasts several standout features designed for efficient and precise filling operations:

  • Construction Quality: Crafted from 304/316 grade stainless steel, the machine showcases a sleek appearance, robust corrosion resistance, and a prolonged lifespan.
  • Foaming Liquids Compatibility: Excellently suited for filling foaming liquids, it achieves high filling precision without the complications commonly associated with these types of liquids.
  • User-Friendly Interface: Features a touch screen display offering both Chinese and English options, ensuring straightforward operation.
  • Advanced Detection System: Incorporates photoelectric sensors to automatically detect containers, preventing any filling mishaps when containers are absent.
  • Efficient Filling Head Design: The filling head is equipped with a suction feature to eliminate drips, ensuring bottles are filled correctly and maintaining a clean work environment by avoiding misoperations.
  • Precision Filling: Engineered to prevent foaming or overflow during the filling process, the machine maintains high accuracy and consistency in the liquid level, ensuring a uniform fill across all containers.

Option Machine Features

  • vacuum filling system
  • the filling nozzle is driven by a servo motor to move up and down
  • the specially designed overflow filling nozzle.
  • For some highly corrosive liquid products, this machine can adapt PTFE pump, PTFE hose and sealing material, so as to avoid the corrosive of the machine

Machine Characteristic


  Automatic gravity Filling Machine
Measurement precision±0.5%-1% for 1L


Voltage220VAC 50/60hz
Air pressure4~6kg/cm²
Air consumption1m/min

See how the NP-GF gravity filller Working

Bottles or jars are conveyed to the filling head’s base via a conveyor belt, where gravity enables the liquid to flow from the filling tank directly into the container. The filling nozzle is designed with a suction feature to prevent bubbling or overflowing, ensuring both high filling precision and uniform liquid levels across containers. The liquid is dispensed from the hopper into the bottle or jar until it fulfills the predetermined filling capacity, providing an efficient and accurate filling process.

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