Vertical Laminar Down Flow Unit


Vertical laminar air flow workstations provide an biologically clean and particle free environment for various application including liquid / powder filling, washing operations, transfer of material from one place to another and storage of material under Class 100 environment.


The directly driven blower sucks in the ambient air through pre-filters and supplies it within the working area, filtered by means of HEPA filters. The average velocity of the first air output is approximately 100 FPM +/- 20%. This filtered air creates an positive pressure within the working area is to prevent penetration of the contaminated ambient air into the working area.


These units are factory assembled and are made up of S. S. 304 grade Stainless Steel material. These units have smooth welded corners.


A direct driven statically and dynamically balanced blower assembly with a volume control damper is used for air circulation within the cabinet. Easy access is provided to the blower compartment.


Discharge filters are generally HEPA filters certified to achieve an filtration efficiency of not less than 99.97% and filtration accuracy of 0.3 microns. Hence the discharge air complies with Class 100 U.S. Fed. Std. 209 - E.


Pre-filters made from the fibre glass media to achieve high filtration efficiency and filtration accuracy of upto 5.0 microns. These are used to block major particles from the ambient air being sucked by the blowers and passing it through the discharge filters. Thus enhancing the life of discharge filters.


Low voltage touch control panel in the front of the cabinet is used for the unit operation. The unit comes with the switchgear for safe & trouble free operation. The fluorescent light fitted with glare free diffuser panels ensures proper visibility with the working area.


A Magnehelic gauge is used for static pressure measurement across the HEPA filters and also to monitor the blower performance.


» Hour meter to record operation time.
» Static pressure transmitter. ( 4 - 20 mA )
» Variable blower speed control device.
» Ceiling or Stand mounting arrangement.
» Germicidal U.V. light.
» Power outlet.
» Temperature controlled Heated work surface.
» Onsite validation.


Writing and execution of DQ, IQ and OQ carried out by our factory trained engineers.

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