Automatic Eight Head Closed Ampoule Filling & Sealing Machine
Ultra-High-Speed Aseptic Packaging Technology for Closed Glass Ampoules
In sterile pharmaceutical manufacturing, preserving product integrity and eliminating microbial contamination risks are paramount. The Automatic Eight Head Closed Ampoule Filling & Sealing Machine engineered by Harsiddh Unimach Pvt. Ltd. stands as a premier solution for high-capacity aseptic liquid lines. Specifically developed to process closed-mouth glass ampoules (pre-sealed ampoules), this system ensures that the internal environment of the glass container remains completely isolated from external environmental contaminants until the exact moment of opening and filling.
Engineered for high-throughput industries—including pharmaceutical injectables, biological vaccines, and high-purity chemical specialties—this machine handles containers ranging from 1ml to 10ml with exceptional accuracy. Harnessing an advanced eight-head filling and sealing configuration, the system delivers an aggressive production capacity, reaching outputs between 225 and 250 ampoules per minute (varying based on specific liquid viscosity and container dimensions). Built in strict alignment with international cGMP and CE standards, it provides the reliability required for rigorous regulatory audits.
The Closed Ampoule Advantage: Elevating Sterile Integrity
Conventional open ampoules are vulnerable to airborne particles, dust, and glass fragments during transport, washing, and storage prior to entering the filling zone. Closed-mouth ampoules solve this challenge by arriving at the filling line pre-sealed.
The advanced engineering framework from Harsiddh Unimach Pvt. Ltd. capitalizes on this methodology, providing critical operational benefits:
- Guaranteed Internal Sterility: Because the ampoule neck remains closed during handling, there is zero risk of environmental particulate contamination entering the container prior to the opening station.
- Minimized Rejection Rates: Reducing the exposure window dramatically lowers batch rejection rates, securing higher yield and saving expensive active pharmaceutical ingredients (APIs).
- Enhanced Safety Protocols: The automated processing sequence eliminates manual intervention, matching the safety standards demanded by modern cleanroom operations.
Step-by-Step Operational Precision & Process Flow
Maximum efficiency in sterile filling requires precise synchronization. Utilizing a time-tested Incline/Slant Drive Principle, the machine guarantees exceptionally stable glass transportation, neutralizing minor dimensional variations in neck geometry and glass thickness.
[Closed Ampoule Feed] ➔ [Opening Station] ➔ [Pre-Nitrogen Purge] ➔ [Simultaneous Filling] ➔ [Post-Purge & Sealing] ➔ [Automated Discharge]
1. Automated Rectangular Feeding & Indexing
Pre-sterilized, closed-mouth glass ampoules are systematically loaded into a heavy-duty slant hopper. From there, they are transferred via a synchronized star wheel and eccentric rack mechanism. This incline delivery system ensures that every glass container remains perfectly stable as it is indexed sequentially into the processing stations, minimizing friction and preventing glass breakage.
2. Thermal Drawing & Opening Station
The closed necks of the ampoules must be opened cleanly without introducing glass micro-particles. The machine features eight specialized, high-intensity heating burners fueled by a precise combination of Liquid Petroleum Gas (LPG) and Oxygen. These burners uniformly heat the glass tip, drawing and opening the neck smoothly to prepare it for the filling needles.
3. Inert Gas Purging & Aseptic Dosing
To preserve the shelf life of oxidation-sensitive pharmaceuticals, the machine executes a critical pre-nitrogen flushing cycle to displace ambient oxygen. Immediately following the purge, eight high-precision volumetric piston pumps actuate simultaneously, discharging the exact programmed liquid dose deep into the ampoules. The synchronized movement prevents liquid dripping onto the neck, which could compromise the final seal.
4. Post-Gas Flushing, Hermetic Sealing, & Tip Disposal
Following liquid delivery, a secondary post-nitrogen gas flushing replaces any remaining headspace oxygen. The ampoules then advance to the sealing zone, where pre-heating burners soften the glass neck. Integrated mechanical clippers grab the waste glass tips, while the sealing burners fuse the glass to create a perfect, hermetic dome seal. The trimmed waste glass tips are automatically deposited into an integrated Stainless Steel collection bin.
5. Contactless Automated Discharge
The freshly filled and hermetically sealed ampoules are smoothly transferred onto an integrated, non-eccentric “sleepy tray” or vertical collection unit. This ensures a gentle, zero-impact deceleration, eliminating manual handling and preserving the sterile integrity of the batch as it heads toward downstream inspection and labeling.
Advanced Control and Customization Options
- Variable Frequency Drive (VFD) Integration: Built standard with a premium Delta Variable Frequency Drive, enabling production managers to scale operational speeds seamlessly to match the exact dynamics of upstream washing tunnels or downstream inspection lines.
- Centralized Digital Monitoring (Optional): Can be fully integrated with an advanced Programmable Logic Controller (PLC) and a user-friendly touchscreen Human-Machine Interface (HMI). This setup enables real-time parameter tracking, batch data logging, recipe management, and comprehensive fault diagnostics.
- Adaptable Dosing Mechanisms: While high-precision volumetric piston pumps are standard, the machine can be customized with Servo-based filling systems or specialized Peristaltic pumps to optimize handling for highly sensitive biologicals, small-batch vaccines, or shear-sensitive fluids.
Engineering Excellence & Key Structural Features
- Premium Material Composition: To meet strict sanitary demands, all product contact components—including filling pumps, needles, and fluid lines—are crafted from premium-grade Stainless Steel 316L. The main chassis and non-contact structures are housed in robust SS 304.
- No Ampoule, No Fill System: Intelligent sensor integration prevents liquid discharge if an ampoule is missing or incorrectly positioned at a specific station, eliminating product waste and keeping the mechanical deck clean.
- Slick Toolless Changeovers: Designed with operators in mind, the modular changeover parts allow for swift adjustments when transitioning between different ampoule volumes (e.g., 2ml to 5ml), significantly trimming down operational downtime.
Strategic Advantages for Global Pharmaceutical Operations
Partnering with Harsiddh Unimach Pvt. Ltd. equips your facility with distinctive commercial and technical advantages:
- Minimal Oxygen Headspace: Dual-stage nitrogen purging guarantees exceptionally low residual oxygen levels inside the sealed ampoule, protecting the therapeutic efficacy of sensitive formulations.
- Cleanroom Compatibility: The compact design, minimized mechanical friction, and effective glass tip collection system make the unit ideal for integration under Laminar Air Flow (LAF) benches within Class A cleanrooms.
- Long-Term Operational Durability: By utilizing premium components and a rigid structural frame, this machine minimizes routine wear, providing a low total cost of ownership (TCO) and excellent uptime performance.
Technical Specification
| Specification | Details (HFS-8 C High Speed) |
|---|---|
| Number of Heads | Eight (Opening, Filling & Sealing) |
| Ampoule Size Range | 1ml to 10ml Closed / D Type Glass |
| Production Output | 80 to 250 Ampoules / Minute |
| Filling Capacity | 0.5ml to 10ml in Single Dose |
| Filling Accuracy | Up to +/- 0.5% |
| Gases Required | LPG & Oxygen (for Opening & Sealing) |
| Power Requirements | 1.5 H.P., 380V/220V Options |
| Machine Dimensions | Approx. 2430mm (L) x 1200mm (W) x 1000mm (H) |
Upgrade Your Sterile Line with Harsiddh Unimach Pvt. Ltd.
At Harsiddh Unimach Pvt. Ltd., we deliver high-performance packaging machinery engineered to meet the stringent demands of international pharmaceutical regulations. Our Automatic Eight Head Closed Ampoule Filling & Sealing Machine offers the perfect balance of raw speed, micro-dosing accuracy, and flawless aseptic execution to optimize your injectable manufacturing lines.
To discuss custom plant integrations, explore multi-volume capabilities, or request a comprehensive technical quotation tailored to your facility’s layouts, reach out to our engineering consultants today.
- Official Web Domain: www.harsiddhunimach.com
- Technical Inquiries & Support: info@harsiddhunimach.com
Frequently Asked Questions
What is the production capacity of this Eight Head model?
The Eight Head configuration is engineered for high-volume pharmaceutical manufacturing. Depending on the ampoule size (typically 1ml to 10ml) and the characteristics of the liquid, this machine can achieve a consistent output of 150 to 200 ampoules per minute. This makes it an ideal choice for large-scale injectable production lines requiring maximum efficiency.
How does the machine open the pre-sealed ampoules?
The machine features an integrated Opening Station before the filling zone. As the closed ampoules move along the "Walking Beam" transport system, a precision flame burner softens the glass tip, which is then mechanically removed or "clipped" to create a clean opening. This happens synchronized with the filling cycle to ensure the interior is exposed to the cleanroom environment for the shortest time possible.
How does the machine ensure dosing accuracy and product stability?
To meet strict pharmaceutical standards, the machine uses eight high-precision SS 316L volumetric syringes or peristaltic pumps, providing a filling accuracy of ±1%. To protect oxygen-sensitive drugs, the machine includes:
Pre-Gassing: Nitrogen flushing to displace oxygen before filling.
Post-Gassing: Nitrogen flushing after filling to ensure a stable shelf life.
No Ampoule – No Fill: A sensor system that prevents liquid wastage if an ampoule is missing from the line.
What are the key cGMP and safety features of the machine?
As a cGMP-compliant unit, the Harsiddh Eight Head Closed Ampoule machine is built for sterile environments:
Materials: All contact parts are SS 316L, while the main frame and non-contact parts are SS 304 stainless steel.
Laminar Air Flow (LAF): The slim, linear design is optimized for installation under LAF units to maintain a Class 100 sterile zone.
Safety Enclosure: It comes with a full acrylic safety cabinet and door interlocks that automatically stop the machine if opened during operation.
PLC Control: A centralized PLC with a Touchscreen HMI allows for precise adjustment of all parameters, including burner flame intensity and conveyor speed.




Unimach2025 –
If you are looking for a reliable, high-speed solution for ampoule processing, Harsiddh Unimach is the gold standard. Their engineering expertise is evident in every component of this machine. It has not only improved our efficiency but also given us greater peace of mind regarding product integrity.