Single Head Vial Filler

Q: What is a Single Head Vial Filler?

A Single Head Vial Filler is a compact, cGMP-compliant monoblock machine designed for precise aseptic filling of sterile liquids (and in some cases powders or suspensions) into small glass or plastic vials. It performs filling, rubber stoppering, and optional capping on a single platform, making it ideal for low-to-medium volume production, pilot batches, R&D labs, and clinical trials. Also known as a small vial filling machine or VFCS 20 model, it is widely used in the pharmaceutical, biotech, veterinary, and healthcare industries for injectable products like vaccines, antibiotics, and oncology drugs. It ensures high accuracy, sterility, and minimal contamination risk while operating under laminar airflow.

Description

Single Head Vial Filler is a specialized piece of equipment primarily used in the pharmaceutical, biotechnology, and healthcare industries for the precise filling of small glass or plastic vials with liquids, powders, or suspensions. It is designed as a compact, often semi-automatic or automatic monoblock system that handles filling, stoppering, and sometimes capping in a single unit, ensuring sterility and accuracy for injectable or sterile products like vaccines, antibiotics, and oncology drugs. The “single head” refers to the machine having one filling nozzle or station, making it ideal for low-to-medium production volumes (typically 10–50 vials per minute), pilot-scale operations, or R&D settings where flexibility and minimal investment are prioritized over high-speed output.

Infeed: Sterilized vials are fed via an unscrambler onto a conveyor.

Filling: The single head dispenses the product into positioned vials, with sensors ensuring exact volumes and leak-proof seals.

Stoppering: Rubber stoppers are picked and pressed into place.

Capping/Outfeed: Optional sealing, followed by discharge for downstream processes like labeling or inspection.

Inspection Integration: Often includes inline checks for fill levels, stopper placement, and integrity.

If you need details on specific models, pricing, or comparisons with multi-head machines, let me know!

Salient Features of Single Head Vial Filler

Small footprint cGMP complied machine.
Filling accuracy of ±1% depends upon liquid characteristics & vial size.
No cross contamination.
All Contact Parts Made from Stainless Steel 316L & framework by Stainless Steel 304.
Variable A.C. frequency drive for speed adjustment.
2ml to 250ml fill dosage in one machine.

Digital Vial Counter for counting production output.
In-feed Turn Table/ Unscrambler for automatic feeding of objects.
On-line Mechanism., “No Vial – No Filling” System.
Easy to validate filling system for small/large batch production.
IQ/OQ documentation can be provided.
PLC system with Graphical User Interface. (Optional)

Working Principle of Single Head Vial Filler

Our Vial Filling Machines comprise of a stainless steel slat conveyor and vials are transferred using this conveyor. Once the vials reach the filling station from the conveyor, the next phase of operation begins. Filling station is equipped with a number of heads for quicker operations. Here precise filling of vials takes place and they are now moved for the stoppering process. This is a very crucial part of the entire process as this ensures the vials remain immaculate and the product inside the vials also remains preserved. Pharmaceutical products must always remain free of external contaminants and other factors. The medicinal value may get compromised otherwise and hence Vial Filling and Capping Machines are indispensable to the pharmaceutical industry.

Technical Specification of Single Head Vial Filler

Model	VFCS 20
Production Output	Up to 20 vials/minute
Vial Size	2ml to 100ml
Filling Accuracy	±1% to the filling volume
Power Load	1 H. P.
Overall Dimension	1700mm (L) x 900mm (W) x 1700mm (H) approx.
Net Weight	300 kgs. approx.
Gross Weight	450 kgs. approx.

* 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.

Types of Vial Filling Machine

Automatic Vial Filling Machine

High Speed Vial Filling Machine

Vial Liquid Filling Machine

Vial Powder Filling Machine

Automatic Vial Filling and Rubber Stoppering Machine

Lab Scale Vial Filling Stoppering & Cap Sealing Machine

Injectable Vial Powder Filling & Stoppering Machine

Peristaltic Pump based Vial Filling Machine

Applications of Vial Filling Machine

Advantages of Single Head Vial Filler

Cost-Effective: Lower upfront cost and simpler maintenance compared to multi-head systems.

Precision and Hygiene: Reduces product waste and contamination risks, complying with GMP standards.

Flexibility: Tool-less format changes for quick vial size switches; suitable for small batches or diverse formulations.

Key Components of Single Head Vial Filler

Filling Mechanism: Utilizes precision pumps such as peristaltic, piston, diaphragm, or time-pressure systems for non-drip, accurate dosing. For powder filling, it employs vacuum and air systems with a single-track powder wheel.

Construction: Made from stainless steel for corrosion resistance and easy sterilization. Operates under laminar flow protection in cleanrooms to maintain aseptic conditions.

Stoppering and Capping: Integrated vibrator-type rubber stoppering with spring-loaded rollers for secure insertion, followed by optional aluminum cap sealing via crimping heads.

Controls: Digital interfaces for adjustable fill volumes, speed, and pre/post-gassing to minimize oxidation. Foot-pedal options available for manual triggering in semi-automatic models.

Vial Compatibility: Handles vials from 2 mL to 250 mL in size, with unscramblers for automated feeding via slat conveyor belts and starwheels for precise positioning.

FAQ for Single Head Vial Filler

What is a Single Head Vial Filler?

A Single Head Vial Filler is a compact, cGMP-compliant monoblock machine designed for precise aseptic filling of sterile liquids (and in some cases powders or suspensions) into small glass or plastic vials. It performs filling, rubber stoppering, and optional capping on a single platform, making it ideal for low-to-medium volume production, pilot batches, R&D labs, and clinical trials.

Also known as a small vial filling machine or VFCS 20 model, it is widely used in the pharmaceutical, biotech, veterinary, and healthcare industries for injectable products like vaccines, antibiotics, and oncology drugs. It ensures high accuracy, sterility, and minimal contamination risk while operating under laminar airflow.

What is the production capacity and suitable vial sizes for the Single Head Vial Filler?

The Single Head Vial Filler (Model: VFCS 20) has a production output of up to 20 vials per minute.

It is suitable for a wide range of vials from 2ml to 100ml (with compatibility up to 250ml in some configurations). The machine handles various liquid viscosities and supports fill volumes from 2ml to 250ml in a single setup. This makes it perfect for small-batch and flexible production where high-speed multi-head machines are not required.

What is the filling accuracy and how does the machine work?

The Single Head Vial Filler delivers excellent filling accuracy of ±1% (depending on liquid characteristics and vial size).

Working Principle: Sterilized vials are fed automatically via an in-feed turntable or unscrambler onto a stainless steel slat conveyor. Vials are positioned under the single filling head, where precise dosing occurs using a piston or peristaltic pump system. Diving nozzles minimize foaming and splashing. Filled vials then move to the integrated rubber stoppering station, where stoppers are inserted using a vibratory bowl and spring-loaded rollers. A “No Vial – No Filling” system prevents product wastage. The entire process is controlled with variable AC frequency drive for smooth speed adjustment.

What are the key features and construction details of the Single Head Vial Filler?

Key features include:

Compact small footprint cGMP-compliant design
All product contact parts made of AISI SS 316L and framework in SS 304
“No Vial – No Filling” mechanism to avoid wastage
Variable AC frequency drive for adjustable speed
Digital vial counter for production monitoring
In-feed turntable/unscrambler for automatic vial feeding
Easy validation with optional PLC + HMI and IQ/OQ documentation
No cross-contamination and easy cleaning

The machine has a power load of 1 HP and approximate dimensions of 1700mm (L) x 900mm (W) x 1700mm (H), with a net weight of 300 kg.

What are the main advantages of using a Single Head Vial Filler?

The main advantages include:

Ideal for R&D, pilot-scale, and small-batch production with low investment
High filling accuracy (±1%) and minimal product wastage
Compact monoblock design saves valuable cleanroom space
Reduced labor costs and human error through semi-automatic or automatic operation
Easy format changeover and quick validation for different vial sizes
Full compliance with cGMP standards and support for sterile injectable manufacturing
Flexible integration into complete lines or standalone use for liquids, suspensions, or small powder batches

It offers a cost-effective and reliable solution for laboratories and manufacturers needing precision without high-speed requirements.

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