Laminar Air Flow Unit

A laminar airflow (LAF) unit in a cleanroom is a vital piece of equipment designed to provide a controlled and ultra-clean environment for various applications, especially those requiring aseptic conditions. It plays a key role in maintaining a high level of air quality by continuously supplying filtered, particle-free air in a specific direction, typically in a unidirectional, parallel flow. Overall, a laminar airflow unit is a critical component of cleanroom technology, ensuring that the air within the workspace is exceptionally clean and suitable for applications demanding a high degree of cleanliness and sterility. Here's how a laminar airflow unit works :-

High-Efficiency Filtration

The heart of the LAF unit is a set of HEPA (High-Efficiency Particulate Air) or ULPA (Ultra-Low Penetration Air) filters. These filters remove microscopic particles, dust, and contaminants from the incoming air, ensuring that the air is exceptionally clean.

Unidirectional Airflow

The filtered air is then released through a system of blowers or fans in a controlled and uniform manner. This air flows in a single direction, typically from the top of the unit to the work surface below (vertical laminar flow) or from the back of the unit to the front (horizontal laminar flow).

Protection and Sterility

Laminar airflow units are used in cleanrooms to create a sterile and particle-free work environment. They are commonly employed in industries such as pharmaceuticals, microbiology, electronics manufacturing, and biotechnology for tasks like tissue culture, drug compounding, and semiconductor wafer processing.

Operator and Product Protection

In addition to maintaining a sterile workspace, LAF units provide protection for operators and sensitive products or materials being manipulated. They act as a barrier that prevents contamination from entering the workspace.

Ceiling Suspended Vertical Laminar Air Flow Unit

Specification :-

Material of construction :- SS 304 / 316 / 316L
Blower:- Centrifugal type Air Blower With Speed Variable.
Filters:- Two stage filtration with Minipleat HEPA Filter H14 99.999% Efficiency 0.3µm & Pre-Filter EU-6 98% Efficiency 5µm.
Air cleanliness :- ISO Class 5 (ISO 14644-1:1999 (E)).
Air Velocities :- 0.45m/s or 90 - 100fpm.
Air Flow Direction :– Vertical Re-circulatory.
Vibration Level :– Minimum.
Noise Level :- Less than 65DB.

Accessories :-

Feather Touch controller For Blower / Light / Pressure Display Magnehelic Differential Pressure Gauge.
Dop Port / Atmospheric Nozzles of HEPA Filter.
Tear Drop Light And Germicidal Ultraviolet Fluorescent Light With Hour Meter.
Polycarbonate Enclosures / Anti Static PVC Curtain on All Sides.

Stand Mounted Vertical Laminar Air Flow

Specification :-

Material of construction :- SS 304 / 316 / 316L.
Blower :- Centrifugal type Air Blower With Speed Variable.
Filters :- Two stage filtration with Minipleat HEPA Filter H14 99.999% Efficiency 0.3 µm & Pre-Filter EU-6 98% Efficiency 5µm.
Air Cleanliness :- ISO Class 5 (ISO 14644-1:1999 (E)).
Air Velocities :- 0.45m/s or 90 - 100fpm.
Air Flow Direction :– Vertical Re-circulatory.
Vibration Level :– Minimum.
Noise Level :- Less than 65db.

Accessories :-

Feather Touch controller For Blower / Light / Pressure Display Magnehelic Differential Pressure Gauge
Dop Port / Atmospheric Nozzles of HEPA Filter
Tear Drop Light And Germicidal Ultraviolet Fluorescent Light With Hour Meter.
Polycarbonate / Toughened Glass Both Side Panel.

Horizontal Laminar Air Flow Unit

Specification :-

Material of construction:-SS 304 / 316 / 316L
Blower:- Centrifugal type Air Blower With Speed Variable.
Filters:- Two stage filtration with Minipleat HEPA Filter H14 99.999% Efficiency 0.3 µm & Pre-Filter EU-6 98% Efficiency 5µm.
Air cleanliness :- ISO Class 5 (ISO 14644-1:1999 (E)).
Air Velocities :- 0.45m/s or 90 - 100fpm.
Air Flow Direction :– Horizontal Re-circulatory.
Vibration Level :– Minimum.
Noise Level :- Less than 65DB.

Accessories :-

Feather Touch controller For Blower / Light / Pressure Display Magnehelic Differential Pressure Gauge.
Dop Port / Atmospheric Nozzles of HEPA Filter.
Tear Drop Light And Germicidal Ultraviolet Fluorescent Light With Hour Meter.
Polycarbonate / Toughened Glass Both Side Panel.