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Water filling machine

Name: Water filling machine
SKU: 0

This is an integrated 3-in-1 unit designed for rinsing, filling, capping, primarily used for the automated production of non-carbonated drinking water such as purified water and mineral water. Constructed from food-grade stainless steel and featuring PLC-based variable frequency control, the machine accommodates various PET bottle specifications and performs the complete process of rinsing, filling, and capping. It offers a high degree of automation and ensures hygienic, reliable production; widely used in small, medium, and large-scale bottled water plants, it can be integrated with water treatment, coding, labeling, and packaging equipment to form a complete bottled water production line.

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Product Value

Cost Reduction through Automation

Integrated automated bottle washing, filling, and capping minimizes manual intervention and labor costs, making it ideal for high-volume, continuous production.

Ensured Beverage Hygiene and Safety

Constructed from food-grade stainless steel with a sealed fluid path, the system minimizes the risk of secondary contamination caused by human contact and meets food safety standards for drink water production.

Stable Production and Consistent Quality

Gravity filling ensures uniform liquid levels, while controllable capping torque reduces defects such as leakage, crooked caps, and inconsistent fill levels.

Flexible Specification Handling

A single machine accommodates various PET bottle types; changeover and setup are simple, supporting flexible production across multiple bottle specifications.

Applicability boundaries

Applicable products

Still drinking water (e.g., purified water, mineral water, mountain spring water)

Applicable containers

PET plastic bottles (300–2000 ml)

Production environment

Requires supporting water treatment and air purification systems; the workshop must meet food production environment standards.

Working Principle

Bottles are conveyed by air to the rinsing station, where they are gripped and inverted; high-pressure sterile water rinses the inner walls, and after rinsing, the bottles are drained and returned to their original position.

Bottles are conveyed to the filling station, where filling is performed via gravity or negative pressure, ensuring a stable liquid level.

After filling, the bottles are conveyed to the capping station, where caps are placed and tightened; the finished bottles are then discharged to the subsequent coding and labeling processes.

Core components

Bottle rinsing gripper assembly

Filling valve assembly (gravity / negative pressure filling valves)

Capping head assembly

Main drive motor, star wheels, and infeed/outfeed feed screws

Stainless steel piping, water pump, and PLC control system

Optional

Online cap sterilization

CIP (Clean-in-Place) connection port

Fully enclosed protective housing

Variable-frequency speed control upgrade

HMI touchscreen upgrade

Changeover/Cleaning/Maintenance

Changeover

1. Adjust the spacing of the infeed/outfeed screws and star wheels to match the bottle diameter.

2. Adjust the height of the rinsing grippers and filling stations to match the bottle height.

3. Fine-tune the capping head height and torque.

Daily Cleaning

Wipe the exterior surfaces of the machine with clean water; disassemble rinsing grippers and filling valves to wash away residue.

Periodic Maintenance

Replace wear parts such as sealing rings and gripper pads; inspect the motor and chain drive components.

Model	CGF884	CGF14125	CGF18186	CGF24248	CGF323210	CGF404012	CGF505015	CGF606015
Capacity (500ml)	2000-3000BPH	4000-5000BPH	6000-8000BPH	10000-12000BPH	13000-15000BPH	16000-19000BPH	20000-22000BPH	25000-30000BPH
Bottle size	Volume:100-2000ML, body diameter:φ50~100MM, Height:H=150~340MM
Bottle neck/cap	Screw cap :φ=20-50mm
Power(kw)	2KW	3.5KW	5.5KW	6KW	8KW	12KW	15KW	18KW
Size (mm)	1900×1500×2200	2180×1600×2200	2250×1800×2200	2800×1900×2300	3300×2000×2300	4200×3800×2400	4500×4200×2400	5000×4500×2400
Weight (kg)	2000	2500	3500	4500	6500	7500	8500	10500

Can the equipment be switched to run different bottle sizes?

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Yes. For bottles with the same neck diameter, you can switch between different bottle heights and diameters by adjusting the star wheel, feed screw, and station height.

What causes the filling level to fluctuate?

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① Unstable water supply pressure;

② Worn filling valve seals or debris causing a jam;

③ Clogged air vent. Please check the water supply pressure and clean or replace the filling valve seals.

What auxiliary equipment is required to put the system into operation?

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A water treatment system, an air compressor, and a conveyor line are required. Optional equipment—such as a blow molding machine, air dryer, inkjet coder, labeling machine, and film wrapper—can be added to form a complete production line.

What are the main wear parts, and what is the replacement cycle?

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Key wear parts include gripper pads, filling valve seals, and capping rubber wheels. We recommend inspecting them for wear every 3–6 months and replacing them promptly based on actual usage.

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