Aseptic Filling Chamber

Product Specifications

Technical details and manufacturing context for Aseptic Filling Chamber

Definition

The aseptic filling chamber is a critical component of aseptic filling machines, designed to maintain a sterile environment (ISO Class 5 or better) during the filling process. It houses the filling nozzles, container handling systems, and sealing mechanisms, ensuring that pre-sterilized containers are filled with sterile liquid products without contamination from airborne microorganisms or particles. It is typically integrated with HEPA-filtered laminar airflow systems and sterilization systems like hydrogen peroxide vapor or steam. The chamber is constructed from Stainless Steel (Grade 316L) and Tempered Safety Glass, providing corrosion resistance and visibility. Key parameters include an internal volume of 2.5–10 m³, sterilization temperature of 121–134 °C (per ISO 17665), sterilization pressure of 0.2–0.3 MPa, temperature control accuracy of ±0.5 °C, pressure control accuracy of ±0.01 MPa, air cleanliness of ISO 5 (per ISO 14644-1), air change rate of ≥600 times/h, leak rate of ≤0.5 %/min (per ISO 10648-2), operating pressure of 1.0–1.6 MPa, electrical supply of 380–480 V AC (per IEC 60038), power consumption of 5–15 kW, ingress protection of IP54–IP65 (per IEC 60529), material of 316L stainless steel (per ASTM A240), and weight of 1500–5000 kg. These values are reference ranges and must be confirmed for the specific model and application. The chamber operates by maintaining positive pressure and HEPA-filtered laminar airflow to prevent contamination ingress. It is used in pharmaceutical, biotechnology, and food industries for filling sterile products. Verification of model-specific values and standards should be done with the legal manufacturer or supplier.

Working Principle

The chamber creates and maintains a sterile zone using HEPA-filtered laminar airflow. Sterile containers enter through a transfer system, are positioned under sterile filling nozzles, filled with the sterile product, and then sealed (e.g., with sterile caps or lids) within the chamber before exiting, all while maintaining positive pressure to prevent ingress of contaminants. The airflow is designed to sweep particles away from the critical zone, and the positive pressure ensures that any leaks are outward. The chamber is integrated with sterilization systems such as hydrogen peroxide vapor or steam to achieve the required sterility level. The filling process is carried out under ISO Class 5 conditions, with air change rates of at least 600 times per hour to maintain cleanliness. The chamber's integrity is verified through leak rate testing, and its performance is validated through temperature and pressure control accuracy. The system is designed to operate within specified parameters, and any deviation may indicate a need for maintenance or recalibration.

Common Materials

Stainless Steel (Grade 316L), Tempered Safety Glass

Technical Parameters

Parameter	Typical range	Notes & selection driver
Internal Volume	2.5–10 m³	Determines batch size and footprint
Sterilization Temperature	121–134 °C	For steam sterilization cyclesISO 17665
Sterilization Pressure	0.2–0.3 MPa	Corresponds to saturated steam at sterilization temperatureISO 17665
Temperature Control Accuracy	±0.5 °C	Ensures uniform sterilization conditions
Pressure Control Accuracy	±0.01 MPa	Maintains pressure differential for integrity
Air Cleanliness	ISO 5 Class	Requires HEPA filtration and laminar flowISO 14644-1
Air Change Rate	≥600 times/h	Maintains cleanliness under dynamic conditionsISO 14644-1
Leak Rate	≤0.5 %/min	Prevents contamination ingressISO 10648-2
Operating Pressure	1.0–1.6 MPa
Electrical Supply	380–480 V AC	Three-phase, 50/60 HzIEC 60038
Power Consumption	5–15 kW	Depends on heating/cooling and air handling
Ingress Protection	IP54–IP65	Protects against dust and water jetsIEC 60529
Material	316L Stainless Steel	Corrosion-resistant and easy to cleanASTM A240
Weight	1500–5000 kg	Affects installation and floor loading

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

HEPA Filter Housing
Holds and seals the HEPA filter that provides sterile laminar airflow into the chamber.

Material: Stainless Steel
Viewing Window Part
Allows visual monitoring of the filling process without breaching the sterile environment.

Material: Tempered Safety Glass
Glove Ports / Gauntlets
Provide operator access for manual adjustments or interventions while maintaining the sterile barrier.

Material: Butyl Rubber or similar
Sterilization Nozzle Port
Interface for connecting vaporized hydrogen peroxide (VHP) or other sterilant delivery systems for chamber decontamination.

Material: Stainless Steel
HEPA Filter
The filter element that makes the airflow sterile; the housing only holds it.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Aseptic Filling Machine

View system integration details

Manufacturers of Aseptic Filling Chamber

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Frequently Asked Questions

What is the purpose of an aseptic filling chamber?

The aseptic filling chamber provides a controlled sterile environment within an aseptic filling machine, ensuring that pre-sterilized containers are filled with sterile product without contamination from airborne microorganisms or particles.

What materials are used in the construction of the chamber?

The chamber is typically constructed from Stainless Steel (Grade 316L) and Tempered Safety Glass, offering corrosion resistance and visibility for monitoring the filling process.

What are the key performance parameters to verify?

Key parameters include internal volume, sterilization temperature and pressure, air cleanliness (ISO 5), air change rate, leak rate, operating pressure, electrical supply, power consumption, ingress protection, and weight. These values are reference ranges and must be confirmed for the specific model.

How is the sterility of the chamber maintained?

Sterility is maintained through HEPA-filtered laminar airflow, positive pressure, and integration with sterilization systems such as hydrogen peroxide vapor or steam. The chamber is designed to meet ISO Class 5 conditions with high air change rates.

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airflow:	Unidirectional laminar airflow (ISO Class 5/A), velocity 0.45±0.1 m/s
pressure:	Positive pressure differential of 10-30 Pa relative to surrounding area to prevent contamination ingress
temperature:	Typically 2-25°C (product-dependent), chamber environment maintained at 20-25°C with ±1°C stability
particle count:	≤3,520 particles/m³ for ≥0.5μm (ISO Class 5 equivalent)
sterility hold time:	Minimum 20 minutes at operational conditions before filling

Product Specifications

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