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Reverse Laminar Air Flow Unit

A reverse laminar airflow unit in a cleanroom is a specialized piece of equipment designed to create a controlled environment that prevents the contamination of sensitive materials or processes by directing filtered air away from the cleanroom operator or work area. Unlike standard laminar airflow, which directs filtered air towards the work surface, reverse laminar airflow redirects the clean air away from the critical area, thus protecting both the operator and the process.

Here's how a reverse laminar airflow unit works :-

High-Efficiency Filtration

Similar to standard laminar airflow units, reverse laminar airflow units incorporate HEPA (High-Efficiency Particulate Air) or ULPA (Ultra-Low Penetration Air) filters to remove particulates and contaminants from the incoming air.

Direction of Airflow

In a reverse laminar airflow unit, the clean, filtered air is introduced from above or behind the operator, forming a curtain of clean air that flows across the operator's body and out of the cleanroom. This airflow creates a barrier that prevents contaminants from entering the critical work area.

Operator Protection

Reverse laminar airflow units are used in situations where operator safety and protection are paramount. They are commonly employed in applications involving hazardous materials, such as pharmaceutical compounding with potent drugs or handling of toxic substances.

Contamination Control

By directing air away from the operator and the work area, these units minimize the risk of particles, microbes, or harmful substances being introduced into the cleanroom environment, ensuring the integrity of the cleanroom and the quality of the products or processes being conducted within.

In summary, reverse laminar airflow units are essential in cleanrooms where operator protection and contamination control are critical, particularly in industries such as pharmaceuticals, biotechnology, and chemical manufacturing, where the handling of hazardous materials demands stringent safety measures.

Sampling & Dispensing Booth

Specification :-

  • Material of construction:-SS 304 / 316 / 316L
  • Blower:- Centrifugal type Air Blower With Speed Variable
  • Filters:- Three stage filtration with Minipleat HEPA Filter H14 99.999% Efficiency 0.3 µm, Intermediate Filter EU-7 95% Efficiency 3 µm & Pre-Filter EU-6 98% Efficiency 5 µm
  • Air cleanliness :- ISO Class 5 (ISO 14644-1:1999 (E))
  • Air Velocities:- 0.45 m/s or 90 - 100 fpm
  • Air Flow Direction :– Laminar Down Flow Booth Functions On a Re-circulatory Airflow Principle
  • Vibration Level :– Minimum
  • Noise Level :- Less than 65 dB

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