A dispensing booth is a critical containment solution used in pharmaceutical and cleanroom environments. It provides a controlled negative pressure area for weighing, sampling, and material dispensing. In pharmaceutical production, preventing cross contamination and protecting operators are essential.
LENGE Clean Room designs and manufactures advanced pharmaceutical dispensing booths that meet GMP and cleanroom requirements. These booths create a safe and particle controlled workspace without affecting the background cleanroom classification.
The LENGE Dispensing Booth uses SUS 304 or SUS 316L stainless steel construction. It includes multi stage filtration and precise airflow control. With rated air velocity of 0.45 m/s ±20 percent, it ensures operator protection and product integrity.
This article explains dispensing booth design, technical specifications, airflow system, features, and benefits for pharmaceutical manufacturing.
What Is a Dispensing Booth
A dispensing booth is a partial containment clean air workstation. It is designed for handling powder materials during weighing and sampling processes.
The main purpose of a pharmaceutical dispensing booth is to:
- Control dust and airborne particles
- Protect the operator from hazardous exposure
- Maintain product purity
- Prevent cross contamination
Unlike full cleanrooms, dispensing booths operate under negative pressure. This ensures that dust particles are contained within the booth and do not escape into surrounding areas.
LENGE Clean Room provides configurable booth dispensers to adapt to different pharmaceutical production needs. Each system is built according to customer URS and process requirements. The structure is modular and suitable for installation inside cleanroom facilities.
Importance of Pharmaceutical Dispensing Booth
In pharmaceutical production, weighing and dispensing raw materials generate airborne dust. Without proper containment, this dust can:
- Contaminate other products
- Harm operators
- Affect air quality
- Violate GMP regulations
A pharmaceutical dispensing booth solves these challenges by creating a localized negative pressure zone.
Key benefits include:
- Enhanced operator protection
- Improved product integrity
- Compliance with GMP guidelines
- Reduced cleaning time
- Increased workflow efficiency
LENGE dispensing booths are designed to safeguard pharmaceutical processes and products. They support both safety and operational efficiency.
Dispensing Booth Design Structure
LENGE dispensing booth design follows GMP modular standards. The booth structure includes:
- Fully welded single piece SUS304 internal chambers
- Rounded covered corners to avoid dust accumulation
- Smooth interior and exterior finishing
- Minimized joints and seams
The outer and inner dimensions are customizable.
Model and Size Options
|
Model No |
Outer Size W×D×H mm |
Inner Size W×D×H mm |
Power kW |
|
LWR 13-120060 |
1300×1200×2570 |
1200×600×2000 |
0.8 |
|
LWR 34-150120 |
1600×1800×2570 |
1500×1200×2000 |
2 |
|
LWR 75-200200 |
2100×2800×2570 |
2000×2000×2000 |
4 |
|
LWR 112-300200 |
3100×2800×2570 |
3000×2000×2000 |
4 |
|
LWR 186-400250 |
4100×3300×2570 |
4000×2500×2000 |
7.5 |
Specifications can be customized according to project needs.
Airflow System and Containment
The airflow system is the core of the dispensing booth design.
Main airflow characteristics:
- Rated air velocity 0.45 m/s ±20 percent
- Negative pressure containment
- Unidirectional laminar airflow
- Particle free working zone
The opening provides airflow velocity of 0.45 m/s. This ensures dust is drawn away from the operator and filtered effectively.
The booth does not change the cleanliness class of the background area. It operates within the same classification while providing localized protection. LENGE Clean Room uses high performance air blowers to maintain stable airflow.
Multi Stage Filter Module
Filtration is essential in booth dispensers. LENGE dispensing booths include three stage filtration.
Filter Module
- Pre filter G4 panel filter
- Comfort filter F8 bag filter
- HEPA filter H14 gel sealed mini pleated
HEPA fan modules provide 99.99 percent efficiency at 0.3 µm particles. ULPA filters with 99.995 percent efficiency are also available.
The gel seal HEPA design is better than traditional gasket sealing. It ensures higher airtight performance and easier maintenance. This filtration system ensures clean working conditions and compliance with pharmaceutical standards.
Technical Specifications and Parameters
LENGE dispensing booths meet strict technical standards.
Key parameters include:
- Material SUS 304 or SUS 316L stainless steel
- Rated air velocity 0.45 m/s ±20 percent
- Cleanliness class same as background area
- Power supply 380V 50Hz
- Core part high performance air blower
The robust stainless steel construction provides corrosion resistance and easy cleaning. All electrical components meet applicable safety requirements. The booth includes:
- Control system
- Electrical sockets
- RH and temperature sensor
- Emergency stop function
These features ensure reliable and safe operation.
Key Features and Characteristics
LENGE dispensing booths provide advanced features for pharmaceutical safety.
- Negative pressure cross contamination control
- Full unidirectional airflow
- Gel seal HEPA filtration
- Modular GMP compliant design
- Clean smooth surfaces
- Customized dimensions
- Integrated control system
The negative pressure environment protects both product and personnel. The booth design minimizes dust accumulation and simplifies cleaning. Each component meets or exceeds safety requirements.
Operator Safety and Protection
Operator safety is a top priority in pharmaceutical dispensing processes.
The dispensing booth enhances safety by:
- Capturing airborne powder
- Directing airflow away from operator breathing zone
- Filtering hazardous particles
- Providing stable air velocity
The HEPA fan module supplies laminar particle free air. Emergency stop and control systems add additional protection. By minimizing exposure to active pharmaceutical ingredients, LENGE booths help companies maintain workplace safety standards.
Regulatory Compliance and GMP Standards
Pharmaceutical production requires strict compliance with GMP guidelines.
Dispensing booths help maintain compliance by:
- Controlling airborne contamination
- Maintaining air quality
- Preventing cross contamination
- Supporting documentation and validation
The booth design reduces risks during weighing and sampling. LENGE Clean Room ensures each dispensing booth aligns with GMP modular standards and cleanroom best practices.
Workflow Efficiency and Productivity
Dispensing booths improve workflow in cleanrooms.
Benefits include:
- Reduced material loss
- Faster cleaning cycles
- Organized workspace
- Improved weighing accuracy
- Reduced downtime
The enclosed structure reduces distractions and keeps work focused. With proper airflow control and lighting, operators can perform tasks efficiently and accurately. LENGE dispensing booths balance safety and productivity in pharmaceutical facilities.
Real World Pharmaceutical Applications
Dispensing booths are widely used in:
- Raw material weighing rooms
- API handling areas
- Sampling rooms
- Tablet and capsule production
- Research laboratories
They safeguard pharmaceutical processes and products.
LENGE Clean Room has delivered dispensing booth projects globally. Each project is tailored to specific process requirements. Custom designs ensure compatibility with existing cleanroom layouts.
Customization and Project Support
LENGE provides standard configurable designs.
Customization options include:
- Size and dimension adjustment
- ULPA filter upgrade
- Advanced monitoring systems
- Different stainless steel grades
- Additional safety controls
Most units are designed and manufactured according to customer URS. This flexibility allows pharmaceutical companies to implement safe and efficient containment systems.
Conclusion
A dispensing booth is an essential containment system for pharmaceutical production. It provides controlled negative pressure, high efficiency filtration, and safe working conditions.
LENGE Clean Room offers advanced pharmaceutical dispensing booths made from SUS 304 or 316L stainless steel. With multi stage filtration, 0.45 m/s airflow velocity, and GMP compliant design, these booths ensure product integrity and operator safety.
By choosing LENGE dispensing booth solutions, pharmaceutical manufacturers achieve contamination control, regulatory compliance, and optimized workflow efficiency.
Frequently Asked Questions
What is a sampling booth used for?
A sampling booth is used to safely collect and handle raw materials in pharmaceutical and cleanroom environments. It creates a controlled airflow zone that prevents contamination during material handling.
How does a sampling booth control contamination?
A sampling booth controls contamination using HEPA filtered airflow and negative pressure containment. The airflow directs dust and particles away from the operator and prevents them from escaping into surrounding areas.
What features are included in a modern sampling booth design?
A modern sampling booth design typically includes stainless steel construction, HEPA filtration, and a laminar airflow system. Additional features may include integrated lighting, control panels, and transparent side panels for visibility.
What is the difference between portable and inflatable sampling booths?
A portable sampling booth is a movable containment unit with a rigid structure and built-in filtration system. An inflatable sampling booth is a lightweight, temporary structure designed for short-term or emergency use.
Do sampling booths affect cleanroom classification?
A properly designed sampling booth does not negatively affect cleanroom classification. Instead, it maintains the same air cleanliness level while providing localized containment for sampling processes.
Which industries commonly use sampling booths?
A sampling booth is widely used in industries requiring strict contamination control. Pharmaceutical manufacturing, biotechnology laboratories, food processing, and chemical industries all rely on these systems.
How should a sampling booth be maintained?
Regular maintenance ensures a sampling booth operates efficiently and maintains cleanroom safety standards. Maintenance typically includes replacing HEPA filters, monitoring pressure drop, and cleaning internal surfaces.
