Hygiene Systems Horizontal Laminar Air Flow


Horizontal Laminar Air Flow Workstation is designed specifically for highest product protection by providing ISO Class 5 particle free work area for handling critical process.The main HEPA filter is situated immediately behind the working area; clean air is then blown across the work surface towards the operator. The work area is continuously supplied with positive pressure HEPA filtered horizontal air flow. It prevents contamination from operator and environment to work area. The laminarity of the flow prevents cross contamination between the items handled in the working space. These units are suitable for the handling of non-hazardous products, sensible to dust and/or to contamination wherever operator protection is not required. Horizontal Laminar Air Flow Unit is with a variety of standard dimensions also our cabinet can be custom engineered to any size. These unit available in powder coated Mild Steel, SS 304 / 316 / 316L or a combination of both.


Optional Accessories



  • U.V. Light with hour meter
  • SS 304 Cock for Gas and Air
  • Foldable polycarbonate front door
  • Audio Visual Alarm indicating condition of HEPA Filters
  • Clean down timer with operation hold indicator
  • VFD based control systems
  • Photohelic guage / Digital pressure gauge to monitor of pressure drop across filter
  • Sodium Vapor Lamps
  • Photohelic guage / Digital pressure gauge to monitor of pressure drop across filter
  • Flame Proof Fitting

Technical Specifications



  • Supply Filter: Imported Minipleat HEPA filter with hot melt technology, which conforms to EU-14 Grade at supply position with an efficiency rating better than 99.999% for 0.3µ.
  • Pre-filter: Pre-filter are made from Non-Woven Synthetic with HDPE mesh; conforms to EU 6 Grade, with an efficiency rating better than 95% down to 5µ.
  • Motor blower assembly : Motor blower designed of statically and dynamically balanced for supply of sufficient capacity and static pressure to take care of airflow requirement for entire life of HEPA.
  • Differential pressure gauge : Dwyer Make Magnehelic Gauge (0 -25 mm: 1 Nos.) to monitor pressure drop across HEPA
  • Lighting: Fluorescent Light with milky white diffuser (250 Lux) at work surface
  • Interlocking: Electro-Magnetic Interlocking type door arrangement to ensure that only one side door can be opened at any given time
  • ON/OFF Switches: SS ON/OFF Switches for motor & lights
  • Switch socket: 6/15 Amp single-phase switch socket use for external equipment
  • Work Table: SS work table with due reinforcement
  • Side Panel: Glass side panel screens for maximum visibility
  • DOP Port: DOP test port at upstream of HEPA filter to personnel for carrying out the HEPA filter integrity test
  • Electrical Supply: 230V AC 1- Ø 50HZ / 415V AC 3-Ø 50HZ
  • Noise Level: Less than 67 dB on Scale 'A' when Ambient is not greater than 55 dB on Scale 'A’
  • Vibration Level: Minimum

Our Products

HLAF-36-24-24

HLAF-36-24-24

  • Model : HLAF-36-24-24
  • Working Area(mm) : 915 x 610 x 610
  • Airflow Velocity : 0.45±0.05mps/ 90(fpm)
  • Air Cleaniness : ISO Class 5 (ISO 14644-1:1999 (E)) / Class 100 (U.S. FED STD 209 E)
  • Air Flow : Horizontal
HLAF-48-24-24

HLAF-48-24-24

  • Model : HLAF-48-24-24
  • Working Area(mm) : 1220 x 610 x 610
  • Airflow Velocity : 0.45±0.05mps/ 90(fpm)
  • Air Cleaniness : ISO Class 5 (ISO 14644-1:1999 (E)) / Class 100 (U.S. FED STD 209 E)
  • Air Flow : Horizontal
HLAF-48-24-30

HLAF-48-24-30

  • Model : HLAF-48-24-30
  • Working Area(mm) : 1220 x 610 x 760
  • Airflow Velocity(Down Flow) : 0.45±0.05mps/ 90(fpm)
  • Air Cleaniness : ISO Class 5 (ISO 14644-1:1999 (E)) / Class 100 (U.S. FED STD 209 E)
  • Air Flow : Vertical Recirculatory
HLAF-48-30-30

HLAF-48-30-30

  • Model : HLAF-48-30-30
  • Working Area(mm) : 1220 x 760 x 760
  • Airflow Velocity(Down Flow) : 0.45±0.05mps/ 90(fpm)
  • Air Cleaniness : ISO Class 5 (ISO 14644-1:1999 (E)) / Class 100 (U.S. FED STD 209 E)
  • Air Flow : Vertical Recirculatory

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