Automatic Vial Filling Equipment refers to specialized machinery designed for the precise, high-speed filling of small glass or plastic vials (typically 2–100 ml) with liquids, semi-liquids, suspensions, or other substances, primarily in the pharmaceutical, biotechnology, and cosmetics industries. These systems automate the filling process to ensure sterility, accuracy, and efficiency, often integrating additional functions like stoppering (inserting rubber bungs), capping, and labeling to create a complete production line. They are essential for packaging injectable drugs, vaccines, diagnostics, and other sensitive products, adhering to strict regulations such as cGMP (Current Good Manufacturing Practices) and operating in Class 100 cleanrooms with laminar airflow and HEPA filtration.
Automatic Vial Filling Machine Video
Key Components
Most automatic vial filling machines share a modular design tailored to specific applications. Common elements include:
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Infeed and Transport System: An infeed turntable or conveyor belt loads empty vials automatically via belts, pick-and-place mechanisms, or crystallizers.
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Filling Mechanism: Equipped with volumetric pumps or peristaltic pumps for precise dosing. Filling injectors or nozzles (1–16 heads) deliver the product, with accuracy up to ±0.5%. Some models use advanced weighing systems for real-time volume control.
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Stoppering Unit: A vibratory bowl and chute orient and feed rubber bungs/stoppers, which are pressed into place by rollers or vacuum discs. This can be partial (for later capping) or full.
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Capping and Outfeed: Automated screwing, crimping, or torque-controlled capping stations, followed by an outfeed turntable for downstream processes like labeling or inspection.
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Control and Safety Features: PLC (Programmable Logic Controller) with HMI (Human-Machine Interface) for programming fill volumes and speeds; AC drives for conveyor control; safety acrylic covers; and pneumatic modules. Optional sensors reject vials with incorrect fill levels or cap heights.
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Enclosure: Stainless steel (SS 316L) frame with laminar airflow for aseptic environments.
No universal specifications exist, as machines are customized for vial shapes/sizes, product viscosity, and batch sizes.
How It Works
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Loading: Empty vials are fed into the machine via an automated infeed system.
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Filling: Vials are positioned under nozzles; the pump dispenses the exact volume based on pre-programmed settings. For sterile operations, this occurs in an isolated, clean zone.
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Stoppering/Capping: Filled vials move to the stoppering station, where bungs are inserted, followed by capping for sealing.
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Inspection and Ejection: Vision systems or sensors check for defects; qualified vials exit for packaging, while rejects are diverted.
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Operation Mode: Runs continuously in intermittent or inline modes, with adjustable speeds to handle light or fragile vials without spillage.
The process minimizes human intervention, reducing contamination risks and errors.
Benefits
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Efficiency and Speed: Fills 60–400+ vials per minute, boosting productivity by 50% or more compared to manual methods.
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Precision and Compliance: Ensures consistent dosing (±0.5% accuracy) and sterility, ideal for sensitive applications like cell/gene therapies or vaccines.
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Flexibility: Handles diverse container types (vials, ampoules, tubes) and integrates with production lines; no change parts needed for varying fill volumes or vial sizes in many models.
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Cost Savings: Lowers labor costs, energy use, and waste while scaling from small batches (e.g., contract filling) to high-volume production.
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Scalability: Supports cleanroom integration and customization for unique needs, like wet bung handling with Teflon-coated chutes.
Applications
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Pharmaceuticals: Sterile filling of injectables, oral solids, and biologics.
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Diagnostics and Labs: Precise reagent or sample filling in microplates, tubes, or bottles.
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Cosmetics/Biotech: Packaging creams, oils, or therapies in controlled environments.
Salient Features of Vial Filler
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Suitable for the filling Volume of 2ml to 250ml.
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Piston pump/Peristaltic pump aseptic filling.
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Filling accuracy of ±0.5% to ±1%.
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No cross contamination.
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Easy to validate filling system for small/large batch production.
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All Contact Parts Made from Stainless Steel 316L & framework by Stainless Steel 304.
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Variable A.C. frequency drive for speed adjustment.
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Digital Vial Counter for counting production output.
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In-feed Turn Table/ Unscrambler for automatic feeding of objects.
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On-line Mechanism.
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“No Vial – No Filling” System.
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“No Vial – Machine Stop” System.
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IQ/OQ documentation can be provided.
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PLC system with Graphical User Interface. (Optional)
Process Operation of Vial Filling Machine
The incoming dry vials (sterilized and siliconized) are fed through the unscrambler and suitably guided on the moving Delrin slat conveyor belt at the required speed of the correct placement below filling unit.
The filling unit consists of Filling Head, Syringes & Nozzles; Syringes & Nozzles are made of AISI SS 316L materials. A Star Wheel is provided which holds the vial during filling operation. A sensor is provided for ”No Vial-No Filling” operation. Syringes are mounted on eccentric block and driving through bottom main gear box. Volume can be increase & decrease by increasing or decreasing stroke length of piston as per filling size. Syringes is having non return valve for sucking and delivering situation to avoid volume variation. Liquid reaches to filling nozzles through silicon transparent pipe. Nozzles having up & down movement with help of cam mechanism, and it come down when vial hold by starwheel for filling operation and starts filling when it starts to move up and after completion of filling operation, starwheel delivers two vials together on conveyor for rubber stoppering operation.
Stoppering unit consist of Star wheel, Vibrator unit and Bowl. The sterilized and siliconized rubber stoppers stored in the vibrator bowl moves vertically to the rubber stopper chute. The vial is hold firmly by starwheel, which will be in continuous rotary motion and vial which is coming from filling unit get in to starwheel and move in rotary direction along with starwheel, during movement it picks up the rubber stopper from the exit end of the chute and rubber stopper pressed by fix single pressing roller, which is spring loaded. Then vial further move on conveyor and collected on out feed starwheel for next sealing operation.
Technical Specification of Automatic Vial Filling Machine
| Model | ALVF-40 | ALVF-80 | ALVF-120 | ALVF – 250 |
| Filling Heads | Two | Four | Eight | Twelve |
| Production Rate | Up to 40 Vials/Minute | Up to 80 Vials/Minute | Up to 150 Vials/Minute | Up to 250 Vials/Minute |
| Input Specification | ||||
| Vial Diameter | 15mm to 70mm | 15mm to 70mm | 15mm to 70mm | 15mm to 70mm |
| Vial Height | 25mm to 140mm | 25mm to 140mm | 25mm to 140mm | 25mm to 140mm |
| Filling Precision | ±1% | ±1% | ±1% | ±1% |
| Power Required | 1 H.P. | 1.5 H.P. | 2 H.P. | 2 H.P. |
| Electrical Characteristics | 440 Volts, 3 Phase, 50 Hertz | 440 Volts, 3 Phase, 50 Hertz | 440 Volts, 3 Phase, 50 Hertz | 440 Volts, 3 Phase, 50 Hertz |
| Overall Dimension | 2050mm (L) x 850mm (W) x 1700mm (H) | 2200mm (L) x 850mm (W) x 1700mm (H) | 3000mm (L) x 945mm (W) x 1700mm (H) | 3500mm (L) x 945mm (W) x 1700mm (H) |
* Power voltage can be adjusted as per customer’s domestic power voltage requirements.
* Rights of technical improvements & modification reserved.
* Illustrations & dimensions are shown for information purpose only.
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