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The 5-Gallon Water Filling Line is a fully automatic washing, filling, and capping monobloc system manufactured by King Machine, a liquid packaging machinery producer with approximately 15 years of experience. Designed for 3 to 5 gallon (18.9 L) reusable plastic bottles, this line handles mineral water, distilled water, and purified water production for commercial distribution. The monobloc integrates bottle loading, leakage inspection, internal and external brushing, filling, capping, and labeling into a continuous workflow controlled by a PLC system.
All product-contact components are constructed from SUS304 food-grade stainless steel, and the line carries CE and ISO9001 certifications. Key electrical components are sourced from Siemens and Omron, while pneumatic components use AIRTAC parts. The system supports PET, PC, and PE bottles in the 3 to 5 gallon range, with model options including QGF-600, QGF-900, and BG-900, delivering up to 900 barrels per hour depending on the selected configuration.
King Machine provides overseas installation and maintenance by service engineers, with installations documented in Yemen, Nigeria, Dubai, India, and Kenya. The line can be extended with external high-pressure washers, cap elevators, shrink machines, and barrel palletizers to form a complete turnkey water bottling plant.
Parameter | Details |
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Model NO. | QGF-600, QGF-900, BG-900, etc. |
Automatic Grade | Fully Automatic |
Material | SUS304 Food Grade Stainless Steel |
Filling Principle | Atmospheric Pressure (Gravity Filling) |
Suitable Bottle Size | 3 gallon to 5 gallon (19 liter) |
Production Capacity | Up to 900 barrels per hour (varies by model) |
Control System | PLC (Programmable Logic Controller) |
Key Components | Siemens, Omron (electrical); AIRTACT (pneumatic) |
Certification | CE, ISO9001 |
After-Sales Service | Engineers available for overseas installation and maintenance |
Packaging Material | Plastic (PET, PC, PE, etc.) |
Overall Dimension | 5400×2100×2000mm (washing section); 3000×900×2200mm (filling/capping) |
The core unit operates as a washing-filling-capping monobloc, eliminating manual handling between key processes. Every stage, from bottle loading and leakage inspection to internal and external brushing, filling, capping, and labeling, is controlled by a PLC with photoelectric sensors. The gear wheel and rack transmission system delivers smooth, intermittent motion suited to large-format barrel handling.
All surfaces in contact with water or bottles are manufactured from SUS304 food-grade stainless steel, which resists corrosion and supports routine cleaning. Contact parts are non-toxic and odorless, meeting requirements for potable water production. The washing section measures 5,400 × 2,100 × 2,000 mm and the filling and capping section measures 3,000 × 900 × 2,200 mm.
The line includes an external high-pressure washing machine with stainless steel nozzles that remove exterior contaminants, with a washing time of approximately 20 seconds per barrel. A cap elevator automates cap feeding, and an adjustable-temperature shrink machine applies a secure, uniform seal over the cap. A PLC-controlled barrel palletizer arranges finished products in 4 × 4 or 4 × 5 patterns, reducing manual handling and improving storage efficiency.
The filling station uses atmospheric pressure (gravity filling), a method suited to water and other low-viscosity, non-carbonated liquids. Filling valves open under gravity and close when the bottle reaches the target level, ensuring consistent fill volumes across 3 to 5 gallon containers. The system adapts to PET, PC, and PE bottle materials.
This line serves enterprise customers operating mineral water, distilled water, and purified water bottling plants for commercial and residential delivery. It can also handle other non-carbonated liquids compatible with gravity filling in large-format reusable bottles.
With model options from QGF-600 to BG-900, the line scales from smaller facilities requiring 600 barrels per hour to medium and large plants producing up to 900 barrels per hour. King Machine has installed these lines in Yemen, Nigeria, Dubai, India, and Kenya, supported by local agents and overseas service engineers, making it suitable for commercial users across diverse regional markets and production scales.
The line offers model options including QGF-600, QGF-900, and BG-900, with a maximum rated output of 900 barrels per hour depending on the selected configuration.
It supports 3 to 5 gallon (approximately 19 L) reusable bottles in PET, PC, and PE materials, with format parts adjustable for different bottle specifications.
The line uses atmospheric pressure (gravity filling), suited to water and other low-viscosity, non-carbonated liquids, with consistent fill levels across all containers.
The line carries CE and ISO9001 certifications. King Machine dispatches engineers for overseas installation and maintenance, with documented installations in Yemen, Nigeria, Dubai, India, and Kenya, backed by a 12-month warranty.
