Hygiene Systems Vertical Laminar Flow Unit


Vertical Laminar Flow Unit is designed specifically for product protection. The Cabinet is a clean bench which provides ultra clean sterile HEPA filtered class 100 air in an isolated area for operations requiring a particulate-free environment where the highly sensitive process activities are carried-out.

The VLAF Unit draws air in through the top of the unit through a pre-filter, through a plenum and vertically down over the work-surface and past the lap of the operator. It has the advantage of not pushing air into the face of the operator as in a horizontal laminar flow cabinet. The LAF cabinets are used for work with low-risk substances and materials, when protection of working material from environment is required or work with item requires a sterile working zone.

VLAF Unit is with a variety of standard dimensions also our unit can be custom engineered to any size. These units are available in powder coated Mild Steel, SS 304 / 316 316L or a combination of both.


Optional Accessories



  • Supply Filter: Imported Minipleat HEPA filter with hot melt technology, which conforms to EU-14 Grade atsupply 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 4 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
  • Pressure gauge : Dwyer Make Magnehelic Gauge (0 -25 mm: 1 No.) to monitor pressure drop across HEPA
  • Lighting: Fluorescent Light (250 Lux) at work surface
  • ON/OFF Switches: SS ON/OFF Switches for motor & lights
  • Switch socket: 6/15 Amp single-phase switch socket use for external equipment
  • Control Panel: Electrical Control Panel mounted in unit
  • Work table: SS work table with due reinforcement
  • DOP Port: DOP test port at upstream of HEPA filter to personnel for carrying out the HEPA filter integrity test
  • Switch socke: 6/15 Amp single-phase switch socket use for external equipment
  • DOP Port: DOP test port at upstream of HEPA filter to personnel for carrying out the HEPA filter integrity test.
  • Side Panel: Glass side Panel screens for maximum visiblity
  • Electrical 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
  • Air Flow: Vertical

Technical Specifications



  • Door : SS 304 double walled door construction with flush glass view panels with SS handles and SS hinges.
  • Interlocking : Electro-Magnetic Interlocking type door arrangement to ensure that only one side door can be opened at any given time
  • Door Indications : Indicators on either side for door open condition
  • Door Release : Door Release Switch on either side
  • SS Coving : Internal covings for easy cleaning

Our Products

CSVLAF-48-24

CSVLAF-36-24

  • Model : CSVLAF-36-24
  • Hepa Filter Area(mm) : 915 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)
CSVLAF-36-24

CSVLAF-48-24

  • Hepa Filter Area(mm) : 1220 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)
SMVLAF-36-30-30

SMVLAF-36-30-30

  • Model : SMVLAF-36-30-30
  • Hepa Filter Area(mm) : 915 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)
SMVLAF-48-30-30

SMVLAF-48-30-30

  • Model : SMVLAF-48-30-30
  • Hepa Filter Area(mm) : 1220 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)

Other Products