Automatic Six Head Closed Ampoule Filling & Sealing Machine
High-Volume Aseptic Processing for Closed-Neck Ampoules
In sterile pharmaceutical manufacturing, maintaining absolute product integrity is paramount. The Automatic Six Head Closed Ampoule Filling & Sealing Machine from Harsiddh Unimach Pvt. Ltd. is engineered to meet the stringent demands of advanced sterile processing. Widely recognized in the industry as high-precision Ampoule Drawing, Filling, and Closing Equipment, this machinery offers a flawless solution for pharmaceutical, chemical, and cosmetic manufacturers requiring the elite sterility standards that only closed-neck ampoules can provide.
By automating the entire sequence from opening to hermetic sealing, this system eliminates human intervention, drastically reduces the risk of airborne contamination, and optimizes production throughput. Built in strict accordance with international GMP, WHO, and FDA guidelines, it is the definitive choice for lines processing sensitive liquid injectables, biological serums, and high-value chemical reagents.
Why Closed-Neck (D-Type) Ampoule Processing?
Traditional open ampoules are exposed to environmental contaminants during transit, storage, and handling before they ever reach the filling line. In contrast, pre-sterilized, closed-neck (D-type) ampoules remain hermetically fused from the glass manufacturer until the exact microsecond they are ready to be filled.
The advanced engineering from Harsiddh Unimach Pvt. Ltd. capitalizes on this ultra-sterile concept by integrating a specialized opening mechanism directly ahead of the filling and nitrogen-purging stations. This ensures that the interior of the glass container is exposed to the cleanroom environment for only a fraction of a second, providing unparalleled safety for oxygen-sensitive and highly volatile parenteral products.
High-Speed Synchronized Operational Flow
The core efficiency of this machine lies in its robust indexing cam mechanism. This mechanical synchronization ensures that ampoules transfer smoothly through each critical station with microscopic accuracy and zero glass-to-glass friction.
[Sterile Hopper Loading] ➔ [Precision Gas Opening] ➔ [Pre/Post N2 Purging & Dosing] ➔ [Rotary Fusion Sealing] ➔ [Vertical Tray Collection]1. Ultra-Clean Loading & Cassette Indexing
Pre-sterilized, closed-neck ampoules are gently placed into the high-capacity feed hopper. From the hopper, they are systematically drawn into a specialized cassette magazine. An eccentric rack mechanism then receives the ampoules, aligning them horizontally and advancing them precisely six units at a time toward the processing stations.
2. Thermal Opening Station
Before filling can occur, the sealed glass tips must be opened cleanly without generating glass micro-particles or fractures. The machine features six specialized opening burners powered by a regulated LPG/Oxygen or Natural Gas/Oxygen mixture. The intense, concentrated flame melts the top tip of the closed-neck glass, perfectly drawing it open to create a pristine, unobstructed entry point for the filling needles.
3. Dual Nitrogen Purging & Volumetric Dosing
To prevent product degradation from oxidation, the machine utilizes a comprehensive three-step atmospheric management system:
- Pre-Nitrogen Purging: High-purity nitrogen gas is injected into the freshly opened ampoules to completely displace ambient oxygen.
- Precision Volumetric Filling: Six independent, high-precision volumetric piston pumps (or optional rotary piston pumps) descend to discharge the liquid. This system handles micro-volumes from 0.5ml to 10ml with strict volumetric accuracy, ensuring zero dripping or splashing on the ampoule neck.
- Post-Nitrogen Purging: A second flush of nitrogen gas is introduced immediately after filling, securing an inert head-space environment before the container moves to the sealing station.
4. Hermetic Rotary Sealing
The filled ampoules advance to the final sealing rack where they are constantly rotated along their vertical axis to ensure uniform heat distribution. Pre-heating burners soften the glass neck, while the primary sealing burners bring the glass to its fusion point. A mechanical gripper or drawing roller then smoothly removes the excess glass waste tip, perfectly forming a dome-shaped, airtight, hermetic seal.
5. Automated Vertical Collection
The successfully filled and hermetically sealed ampoules are smoothly discharged out of the indexing rack. They are automatically diverted and collected into a vertical stainless steel tray unit in an upright position, ready for immediate optical inspection, sterilization, and final packaging.
Technical Highlights & Structural Excellence
- Robust Indexing Cam Drive: The entire operational movement is powered by a central mechanical cam system, ensuring lifetime synchronization between the opening, filling, and sealing heads while eliminating the risk of electronic timing drifts.
- Premium Contact Materials: All components that come into direct contact with the liquid product are constructed from certified Stainless Steel 316L or high-purity pharmaceutical-grade polymers. The main frame and structural panels are fabricated from durable SS 304.
- Flexible Volume Handling: Designed to scale with your product catalog, the system adapts seamlessly across a wide dosage spectrum (0.5ml to 10ml) with simple, toolless change parts for different ampoule diameters.
- Advanced Safety Interlocks: Features a built-in “No Ampoule, No Fill” security sensor loop. If an ampoule is missing from any of the six positions, the corresponding dosing pump will not actuate, saving expensive formulations from being wasted on the machine bed.
Critical Industrial Applications
The extreme sterility and precision of the six-head closed ampoule line make it an invaluable asset across high-stakes industrial manufacturing:
- Pharmaceutical Injectables: Perfect for processing antibiotics, analgesics, vaccines, cardiovascular drugs, and vitamin complexes that require strict aseptic conditions.
- Biotechnology & Serums: Ideally suited for delicate biological proteins, enzymes, and specialized blood plasma derivatives vulnerable to environmental oxidation.
- Cosmeceuticals & Aesthetics: Extensively used for high-potency skin serums, anti-aging concentrates, skin whitening fluids, and concentrated hair care treatments packed in premium glass containers.
- Specialty Chemicals: Designed to safely package analytical standard solutions, reactive chemical catalysts, and volatile laboratory reagents.
Strategic Advantages for Your Cleanroom Line
- Minimized Product Oxidation: The dual pre- and post-nitrogen flushing layout achieves exceptionally low residual oxygen levels inside the sealed container, dramatically extending product shelf-life.
- Clean, Spark-Free Operation: Engineered with precise gas regulation valves, the burning stations deliver clean, consistent flame profiles that minimize carbon deposition and prevent glass discoloration.
- Space-Saving Footprint: The compact, linear architecture of the machine allows it to be easily integrated underneath standard Class 100 / ISO 5 Laminar Airflow (LAF) workbenches inside sterile cleanrooms.
Technical Specification
| Model No. | HFS-6 C (High Speed) |
|---|---|
| Number of Heads | Six (Opening, Filling & Sealing) |
| Ampoule Size Range | 1ml to 10ml Closed / D Type Glass |
| Output / Minute | 80 to 150 Ampoules (Depending on size) |
| Filling Capacity | 0.5ml to 10ml (Single Dose) |
| Filling Type | Volumetric Piston Pump |
| Gases Required | LPG & Oxygen (for Opening & Sealing) |
| Contact Parts | Stainless Steel AISI 316L |
| Machine Dimensions | 2380mm (L) x 1200mm (W) x 1000mm (H) |
| Net Weight | Approx. 990 Kgs |
Partner with Harsiddh Unimach Pvt. Ltd.
At Harsiddh Unimach Pvt. Ltd., we understand that pharmaceutical manufacturing tolerates zero margin for error. Our Automatic Six Head Closed Ampoule Filling & Sealing Machine is engineered to combine mechanical longevity with ultra-clean performance, giving your production facility the reliability it needs to maintain peak regulatory compliance.
Upgrade your aseptic packaging workflow, eliminate contamination risks, and achieve high-speed operational excellence. To discuss custom filling line integrations, cleanroom compatibility, or to request an engineering quote, connect with our technical consultants today.
- Official Website: www.harsiddhunimach.com
- Inquiries & Support: info@harsiddhunimach.com
Frequently Asked Questions
How does the machine open the pre-sealed glass tips?
The machine features an integrated Ampoule Opening Station located before the filling zone. As the ampoules move along the transport system, a precision flame burner softens the glass tip, which is then mechanically clipped or removed. This process is synchronized so the ampoule is only open for a few seconds during the nitrogen flushing and filling stages, minimizing environmental exposure.
What is the production capacity of the Six Head Closed Ampoule model?
The Six Head configuration is engineered for medium-to-high speed pharmaceutical manufacturing. Depending on the ampoule size (typically 1ml to 10ml) and the viscosity of the liquid, this machine can achieve a consistent output of 100 to 150 ampoules per minute. It offers a perfect balance of high throughput and a compact cleanroom footprint.
How does the machine ensure dosing accuracy and prevent wastage?
To meet strict pharmaceutical standards, the machine is equipped with:
High-Precision Filling: Six volumetric SS 316L syringes or peristaltic pumps provide a filling accuracy of ±1%.
No Ampoule – No Fill: A sophisticated sensor system ensures the pumps only activate when an ampoule is present, preventing the loss of expensive medicinal liquids.
Nitrogen Gassing: Includes pre- and post-filling nitrogen flushing to displace oxygen and ensure the long-term stability of the product.
What are the key cGMP and safety features of this machine?
As a cGMP-compliant unit, the Harsiddh Six Head Closed Ampoule machine is built for the most rigorous sterile environments:
Materials: All liquid contact parts are made of SS 316L, while the exterior frame is polished SS 304 stainless steel.
Laminar Air Flow (LAF) Ready: The slim, linear design is optimized for installation under LAF units to maintain a Class 100 sterile zone.
Advanced Control: Managed by a centralized PLC with a Touchscreen HMI, allowing for precise digital adjustment of burner flames, conveyor speed, and production monitoring.
Safety Enclosure: Features a full acrylic safety cabinet with interlock sensors that automatically stop the machine if the doors are opened during operation.
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