Cleanrooms require strict contamination control. Even a small amount of dust can damage pharmaceutical products electronics and sterile manufacturing. An air shower is a key cleanroom device that removes particles from people and materials before entering a controlled environment. It uses high velocity HEPA filtered air to blow off dust and contaminants.
At LENGE Clean Room advanced air shower and mist air shower systems are designed for pharmaceutical factories laboratories and industrial cleanrooms. These systems protect processes maintain air purity and support cleanroom standards. This guide explains how air showers work their benefits and how they improve contamination control.
Definition of Air Shower
An air shower is a closed chamber installed at the cleanroom entrance. It removes loose particles from personnel and equipment using high speed HEPA filtered air jets. The contaminated air is collected filtered and recirculated inside the system.
Air showers are widely used in pharmaceutical electronics biotechnology and food industries. They act as the first barrier against contamination.
Main purposes
- Remove dust from clothing and surfaces
- Protect cleanroom environment
- Reduce contamination risk
- Improve product safety
- Maintain ISO cleanroom standards
LENGE Clean Room provides high efficiency air shower systems designed for reliable and stable performance.
How an Air Shower Works
An air shower uses powerful blowers to push HEPA filtered air through stainless steel nozzles. The air moves at high speed to remove particles from clothing and surfaces.
Working steps
- Person enters the chamber
- Interlock doors close automatically
- High velocity air jets start blowing
- Dust is removed from clothing and equipment
- Contaminated air is filtered and recirculated
- Clean air cycle completes
- Exit door opens after cycle
Typical air speed exceeds 25 m per second ensuring strong particle removal. This process reduces contamination before entering cleanrooms.
Key Components of an Air Shower
An air shower contains several essential parts for effective performance
- HEPA filter with 99.99 percent efficiency
- Pre filter G4 for longer filter life
- High speed centrifugal blower
- Stainless steel air nozzles
- Interlock door system
- Control panel with programmable settings
- Differential pressure gauge
- Emergency stop button
These components work together to ensure reliable and stable contamination control. LENGE air showers use durable construction and precise airflow design.
What Is a Mist Air Shower
A mist air shower combines air blowing with water spray. It is designed for environments where toxic or sticky dust is present such as pharmaceutical and chemical industries.
High pressure pumps create fine water spray through copper nozzles. The spray wets dust particles on clothing and prevents them from floating in air.
Benefits
- Removes toxic dust effectively
- Prevents dust re suspension
- Improves contamination control
- Safe for chemical and pharmaceutical use
- Reduces airborne particle spread
Mist air showers are ideal for facilities handling powder materials.
Air Shower vs Mist Air Shower
|
Feature |
Air Shower |
Mist Air Shower |
|
Function |
Air blowing only |
Air blowing plus water spray |
|
Application |
General cleanroom use |
Toxic dust environments |
|
Dust Removal |
Loose particles |
Sticky and powder dust |
|
Technology |
HEPA airflow |
HEPA airflow plus mist |
|
Industries |
Electronics pharma food |
Chemical pharma powder |
Both systems improve contamination control but mist air showers provide additional dust binding ability.
Technical Specifications of Air Shower
Typical LENGE air shower system specifications
- Power supply 380V 50Hz
- Power consumption 1.5 kW
- Noise level 65 to 75 dB
- HEPA efficiency greater than 99.99 percent at 0.3 micron
- Air velocity above 25 m per second
- Differential pressure gauge with alarm
- Emergency stop button
- Stainless steel nozzles
- Auto inductive start
These features ensure stable and efficient operation in cleanroom environments.
Standard Size and Parameters
|
Model |
Overall Size mm |
Work Area mm |
Nozzles |
HEPA Size |
|
ASR 080090 |
1200×1000×2150 |
800×900×1950 |
6 |
650×650×93 |
|
ASR 080140 |
1400×1500×2150 |
800×1400×1950 |
18 |
955×650×93 |
|
ASR 080190 |
1400×2000×2150 |
800×1900×1950 |
24 |
650×650×93 |
|
ASR 080290 |
1400×3000×2150 |
800×2900×1950 |
36 |
955×650×93 |
Custom sizes are available according to customer requirements.
Personnel Decontamination Role
Air showers remove particles from workers before entering cleanrooms. This reduces contamination risk and protects sterile production.
Benefits
- Removes dust from garments
- Prevents particle transfer
- Improves cleanroom safety
- Supports GMP compliance
- Protects pharmaceutical products
Personnel decontamination is critical in maintaining cleanroom standards.
Equipment Decontamination
Air showers are also used for materials and equipment entering cleanrooms. High velocity air removes particles from surfaces before entering sterile zones.
Advantages
- Keeps equipment clean
- Prevents contamination entry
- Protects sensitive processes
- Maintains air purity
- Improves product quality
This function is essential for contamination sensitive industries.
Maintaining Cleanroom Air Quality
Air showers help maintain cleanroom air standards by removing particles before entry. They support ISO cleanliness levels and prevent external contamination.
Functions
- Filters contaminated air
- Maintains particle free environment
- Supports cleanroom classification
- Reduces airborne contamination
- Ensures stable air quality
Air showers are a key part of contamination control strategy.
Air Shower as an Airlock
Air showers create an airlock between cleanroom and external environment. The interlock door system prevents both doors from opening simultaneously.
Benefits
- Maintains pressure difference
- Prevents contamination entry
- Controls airflow movement
- Protects sterile environment
- Improves cleanroom stability
Airlock design is essential for cleanroom protection.
Why Choose LENGE Clean Room Air Shower
LENGE Clean Room offers advanced air shower solutions designed for pharmaceutical and industrial use.
Key advantages
- High efficiency HEPA filtration
- Durable stainless steel design
- Programmable control system
- Reliable airflow performance
- Custom sizes available
- Mist air shower technology
- ISO and GMP compliant
Conclusion
An air shower is a vital cleanroom device that removes particles from personnel and equipment before entering controlled environments. Using high velocity HEPA filtered airflow it ensures effective decontamination and protects cleanroom air quality. Mist air showers provide additional protection for toxic dust environments by combining air blowing with water spray technology.
LENGE Clean Room provides advanced air shower systems designed for stable performance high filtration efficiency and reliable contamination control. Investing in the right air shower improves product safety protects cleanroom environments and ensures compliance with strict industry standards.
Frequently Asked Questions
What is an air shower?
An air shower is a cleanroom device that removes dust and particles from personnel or materials before entering controlled environments. High-velocity HEPA-filtered air blows off contaminants from clothing and surfaces.
What is a mist air shower?
A mist air shower combines high-speed air with a fine water spray to remove sticky or toxic dust particles. It is ideal for pharmaceutical, chemical, and powder-handling environments. This dual-action system prevents dust re-suspension and ensures superior contamination control compared to standard air showers.
How fast is the air in an air shower?
Air velocity in a typical air shower exceeds 25 meters per second. This high-speed airflow efficiently dislodges dust and particles from clothing and equipment surfaces. The rapid removal of contaminants ensures personnel and materials enter cleanrooms in a particle-free state.
Why is HEPA used in air showers?
HEPA filters capture 99.99% of particles down to 0.3 microns, ensuring clean, contaminant-free air. In air showers, HEPA filtration removes particles from recirculated airflow, maintaining a sterile environment.
Can air showers clean equipment?
Yes, air showers effectively remove dust and particles from materials and equipment before they enter cleanrooms. High-velocity HEPA-filtered air dislodges contaminants from surfaces. This ensures sterile zones remain uncontaminated, improving product safety and cleanroom compliance.
Where are air showers used?
Air showers are widely used in pharmaceutical, electronics, chemical, food, and biotechnology industries. They are installed at cleanroom entrances or between controlled zones.
Do air showers improve cleanroom quality?
Yes, air showers significantly enhance cleanroom air quality by removing particles before entry. They act as a first contamination barrier, preserving ISO cleanliness levels. This supports sterile production, protects sensitive processes, and ensures compliance with GMP and cleanroom regulations.
