Automatic Ampoule Filling Machine

Q: What is an Automatic Ampoule Filling Machine?

An Automatic Ampoule Filling Machine is a high-precision pharmaceutical equipment designed to automatically fill sterile liquids (such as injectables, vaccines, antibiotics, or serums) into glass ampoules and hermetically seal them using gas flame. It performs multiple operations — nitrogen flushing, filling, and sealing — in a continuous or intermittent motion under aseptic conditions. Manufactured by Adinath International , these machines ensure cGMP compliance , high accuracy (±1%), and contamination-free production for the pharmaceutical, biotech, and veterinary industries.

Q: How does the Automatic Ampoule Filling Machine work?

The machine works on the slant travel principle for gentle handling of glass ampoules: Sterilized ampoules are loaded into the infeed hopper. They are transferred via starwheel to a moving rack in an inclined position. Pre-gassing with Nitrogen removes oxygen. Precise filling is done using piston pumps. Post-gassing with Nitrogen is performed (optional). Pre-heating and flame sealing (using LPG + Oxygen) hermetically seals the ampoule neck. “No Ampoule – No Fill” system and neck centering ensure high accuracy and minimal breakage. Filled & sealed ampoules are automatically collected on the outfeed tray.

Q: What industries and products is this machine suitable for?

The Automatic Ampoule Filling Machine is widely used in: Pharmaceuticals — Injectables, vaccines, antibiotics, analgesics, insulin Biotechnology — Sterile biological products Veterinary — Animal health injectables Cosmetics — Serums and high-value liquids Chemical & Agrochemical — Precise liquid filling It is ideal for any product that requires single-dose sterile packaging with long shelf life and zero risk of contamination.

Description

Automatic Ampoule Filling Machine is a specialized piece of equipment designed for the precise filling and sealing of glass ampoules, primarily used in the pharmaceutical, biotech, cosmetic, and chemical industries. These machines automate the process of filling liquid or solid pharmaceutical products into ampoules and sealing them to ensure sterility, safety, and compliance with Good Manufacturing Practices (cGMP). Below is a detailed description of their design, functionality, and key features based on current industry standards and available information:

Automatic Ampoule Filling Machines are engineered to handle glass ampoules (open-mouth or closed) with capacities typically ranging from 0.5 ml to 30 ml. They are designed to operate in aseptic conditions to prevent contamination, ensuring the integrity of sensitive products like injectables, analgesics, insulin, veterinary medicines, or agrochemicals. These machines streamline high-speed production while maintaining accuracy, repeatability, and hygiene.

Loading: Sterilized ampoules are loaded into an infeed hopper or tray and transferred to a starwheel or rack.

Pre-Gassing: Nitrogen is flushed to displace oxygen and prevent oxidation.

Filling: Liquid is dispensed into ampoules with high precision using the chosen filling mechanism.

Post-Gassing: Additional nitrogen flushing ensures a contamination-free environment.

Pre-Heating: Ampoules are warmed with low-pressure flames to prepare for sealing.

Sealing: The ampoule neck is heated and sealed using gas flames or other methods, ensuring hermetic closure.

Collection: Filled and sealed ampoules are automatically collected on a tray for further inspection or packaging.

Salient Features of Automatic Ampoule Filling Machine

Compact model as per cGMP standard.
Higher production output up to 12000 Ampoules per hour.
Full accessibility allows easy maintenance.
Flow Meters for regulating flames easily.
“No Ampoule – No Filling” system.
Machine equipped with pre-warming station.

Ampoule neck centering during gas flushing and filling operations.
Possibility of nitrogen gas flushing before, during and after filling.
All contact parts made from High Quality Stainless Steel 316L & Non-contact parts made from Stainless Steel 304.
Minimum change over parts from 1ml to 10ml ampoule size.
Minimum change over time, little maintenance, easy cleaning.

Working Principle of Automatic Ampoule Filling Machine

Empty washed & sterilized ampoules loaded onto infeed hopper of the machine. From where it has been received to receiving rack through starwheel/cassette. The moving rack which moves horizontally collect one/two/four/eight ampoules from the receiving rack and transfer the ampoule to the machine in left to right in an inclined position. During ampoule movement Pre-gassing, Filling, Post Gassing, Pre-heating & Sealing Station perform filling and sealing operations. At the end duly filled and sealed ampoules get collected automatically onto collection tray of the machine. For detailed working process please explore automatic ampoule filler video in top right section of this page.

Technical Specification of Automatic Ampoule Filling Machine

Model	AFS-1	AFS-2	AFS-4	AFS-8
No. of Head	Single	Two	Four	Eight
Syringes	One	Double	Four	Eight
Ampoule Sizes	1 ml to 30 ml	1 ml to 30 ml	1 ml to 20 ml	1 ml to 20 ml
Filling Speed	Up to 25 ampoules/minute	Up to 50 ampoules/minute	Up to 100 ampoules/minute	Up to 200 ampoules/minute
Filling Precision	± 1%	± 1%	± 1%	± 1%
Filling Pump	Piston Pump	Piston Pump	Piston Pump	Piston Pump
Burner Gas	LPG & Oxygen (O₂)	LPG & Oxygen (O₂)	LPG & Oxygen (O₂)	LPG & Oxygen (O₂)
Nitrogen Arrangement	Before & After Filling	Before & After Filling	Before & After Filling	Before & After Filling
Number of Fill Nozzles	One	Two	Four	Eight
Number of Nitrogen Nozzles	Two	Four	Eight	Sixteen
Number of Sealing Burners	Two	Four	Eight	Sixteen
Power Required	0.5 H.P.	1 H.P.	1 H.P.	2 H.P.
Power Voltage	230 Volts, Single Phase, 50 Hertz, 4 Wire System	230 Volts, Single Phase, 50 Hertz, 4 Wire System	230 Volts, Single Phase, 50 Hertz, 4 Wire System	230 Volts, Single Phase, 50 Hertz, 4 Wire System
Contact Parts	Made from Stainless Steel 316L	Made from Stainless Steel 316L	Made from Stainless Steel 316L	Made from Stainless Steel 316L
Overall Dimension	915mm (L) x 610mm (W) x 965mm (H) approx.	915mm (L) x 760mm (W) x 965mm (H) approx.	1200mm (L) x 1070mm (W) x 965mm (H) approx.	2200mm (L) x 1400mm (W) x 1100mm (H) 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 Ampoule Filling Machine

Automatic Ampoule Filling Sealing Machine

Laboratory Ampoule Filling Sealing Machine

Closed Ampoule Filling Machine

Open Mouth Ampoule Filling Machine

Onion Skin Ampoule Filling Machine

Single Head Ampoule Filling Machine

Double Head Ampoule Filling Machine

Four Head Ampoule Filling Machine

Six Head Ampoule Filling Machine

Eight Head Ampoule Filling Machine

Applications of Ampoule Filling Machine

Advantages of Automatic Ampoule Filling Machine

High Efficiency: Automates intricate tasks, enabling high output.

Precision and Consistency: Ensures accurate fill volumes and secure sealing, critical for pharmaceutical safety.

Versatility: Handles various ampoule sizes (1 ml to 30 ml) and types (open or closed), with flexibility for liquids, solids, or lyophilized products.

Reduced Contamination: Aseptic processing and nitrogen flushing minimize contamination risks.

Ease of Use: Quick changeovers, minimal maintenance, and user-friendly controls reduce downtime.

Cost-Effectiveness: Automation reduces labor costs and human error, improving production economics.

Key Features and Components of Automatic Ampoule Filling Machine

Construction:
- Material: Built with high-grade stainless steel (typically SS 316L for contact parts and SS 304 for non-contact parts) to ensure durability, corrosion resistance, and compliance with cGMP standards.
- Design: Often feature a monobloc or compact design, integrating all operations (pre-gassing, filling, post-gassing, pre-heating, and sealing) on a single platform for efficiency and ease of maintenance.
- Accessibility: Large openings at the base and tool-less format changes facilitate cleaning, maintenance, and quick changeovers between ampoule sizes.

Filling Mechanism:
- Filling Systems: Utilize advanced filling technologies such as:
  - Peristaltic pumps: For precise, contamination-free filling, ideal for sterile applications.
  - Piston pumps: For accurate volumetric filling, suitable for a wide range of liquid viscosities.
  - Servo-driven systems: Allow programmable fill volumes with high precision.
  - Time-pressure or mass-flow systems: For customized filling needs.
- Capacity: Can fill 0.5 ml to 25 ml in a single dose, with some models supporting up to 30 ml.
- Output: Production rates vary from 25 to 300 ampoules per minute, depending on the machine model (e.g., single-head for lab-scale or multi-head—2, 4, 6, or 8—for high-speed production).

Sealing Process:
- Sealing Methods: Ampoules are sealed using thermal methods (gas flame with oxygen and LPG/propane), laser sealing, or vacuum stopper insertion.
- Pre-heating and Sealing Stations: Pre-warming stations use low-pressure flames to prepare ampoules, while sealing stations use rollers to rotate ampoules for uniform sealing.
- Gas Flushing: Nitrogen flushing before and after filling prevents oxidation and contamination, preserving product efficacy.

Automation and Control:
- PLC and HMI: Modern machines are equipped with Programmable Logic Controllers (PLC) and Human-Machine Interfaces (HMI) for automated fill volume adjustments, real-time monitoring, and error detection.
- In-Process Control (IPC): Continuous checks for fill weight and stopper placement ensure quality.
- Multi-Head Configurations: Machines with 1, 2, 4, 6, or 8 heads increase throughput, with each stroke advancing multiple ampoules for simultaneous filling and sealing.

Ampoule Handling:
- Infeed System: Sterilized ampoules are loaded via a hopper or tray and transferred to a starwheel or transport rack, often in an inclined or slant-travel position to accommodate variations in neck dimensions and thicknesses.
- Conveyor Systems: Infeed conveyors transport empty ampoules to the filling station, while outfeed conveyors move filled and sealed ampoules for inspection or packaging.
- Neck Centering: Ensures precise alignment during gas flushing, filling, and sealing to avoid defects.

Sterility and Safety:
- Laminar Air Flow (LAF): Optional inbuilt LAF systems provide a sterile Class 100 environment for filling.
- Depyrogenation and Sterilization: Integration with sterilization tunnels ensures ampoules are pre-treated (e.g., via dry heat, vacuum, or steam) before filling.
- Safety Features: Include pressure reducers, safety valves for gas circuits, and stainless steel hoods to channel fumes during sealing.

Inspection and Quality Control:
- Post-filling inspection systems, such as high-voltage leak detection (HVLD), static division (SD), or headspace analysis (HSA), check for container defects and ensure closure integrity.
- Waste ampoule tips are clipped and ejected into separate containers to maintain cleanliness.

FAQ for Automatic Ampoule Filling Machine

What is an Automatic Ampoule Filling Machine?

An Automatic Ampoule Filling Machine is a high-precision pharmaceutical equipment designed to automatically fill sterile liquids (such as injectables, vaccines, antibiotics, or serums) into glass ampoules and hermetically seal them using gas flame. It performs multiple operations — nitrogen flushing, filling, and sealing — in a continuous or intermittent motion under aseptic conditions. Manufactured by Adinath International, these machines ensure cGMP compliance, high accuracy (±1%), and contamination-free production for the pharmaceutical, biotech, and veterinary industries.

What are the available models and their production capacities?

We offer four standard models of Automatic Ampoule Filling & Sealing Machines:

AFS-1 (Single Head) → Up to 25 ampoules/minute
AFS-2 (Two Head) → Up to 50 ampoules/minute
AFS-4 (Four Head) → Up to 100 ampoules/minute
AFS-8 (Eight Head) → Up to 200 ampoules/minute (up to 12,000 ampoules/hour)

All models handle ampoule sizes from 1 ml to 30 ml (up to 20 ml in higher-speed models) with piston pump filling and ±1% filling accuracy.

How does the Automatic Ampoule Filling Machine work?

The machine works on the slant travel principle for gentle handling of glass ampoules:

Sterilized ampoules are loaded into the infeed hopper.
They are transferred via starwheel to a moving rack in an inclined position.
Pre-gassing with Nitrogen removes oxygen.
Precise filling is done using piston pumps.
Post-gassing with Nitrogen is performed (optional).
Pre-heating and flame sealing (using LPG + Oxygen) hermetically seals the ampoule neck.

“No Ampoule – No Fill” system and neck centering ensure high accuracy and minimal breakage. Filled & sealed ampoules are automatically collected on the outfeed tray.

What are the key features of your Automatic Ampoule Filling Machine?

Compact cGMP model with easy maintenance and accessibility
Nitrogen flushing before & after filling
“No Ampoule – No Filling” safety system
Pre-warming station for better sealing
All contact parts made of SS 316L stainless steel
Minimum change-over time and change parts
Flow meters for easy flame regulation
Suitable for open-mouth ampoules
Low maintenance and easy cleaning

These features make the machine highly reliable for sterile injectable production.

What industries and products is this machine suitable for?

The Automatic Ampoule Filling Machine is widely used in:

Pharmaceuticals — Injectables, vaccines, antibiotics, analgesics, insulin
Biotechnology — Sterile biological products
Veterinary — Animal health injectables
Cosmetics — Serums and high-value liquids
Chemical & Agrochemical — Precise liquid filling

It is ideal for any product that requires single-dose sterile packaging with long shelf life and zero risk of contamination.

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