Air Showers

DESCRIPTION :

These units are designed for applications where both personnel and equipment are to be passed from one area to another. During the process the personnel or the equipment is subjected to high velocity of sterile air for cleaning / removal of particles.

OPERATION :

The fully gowned personnel enters from the inlet door and waits within the unit for some time till the exit door opens. During this period the timer activates the blowers and the adjustable nozzles fitted in the ceiling and walls of the unit deliver Class 100 filtered air jets at a velocity of Appx. 5000 FPM. Thus cleaning the fully gowned personnel or the equipment to be transferred to the restricted area.

CONSTRUCTION :

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

BLOWERS :

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 :

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 :

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 air within the unit being sucked by the blowers and passing it through the discharge filters. Thus enhancing the life of discharge filters.

ELECTRICALS :

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.

INSTRUMENTS :

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

OPTIONAL :

" Hour meter to record operation time.
" Static pressure transmitter. ( 4 - 20 mA )
" Variable blower speed control device.
" Germicidal U.V. light.
" Onsite validation.

DOCUMENTATION :

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


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