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The FFA.4 is one of the optimised operating theatre clean air canopies. It is primarily deployed where there is no room for circulating air modules due to the size of the operating theatre. As with ULA.4 circulating air canopy, in the FFA.4 the filtered clean air also flows into the operating theatre from above and forms a protection zone (operation table, instrument table and work area for the operating team in sterile clothing).
The FFA.4 is installed as per the tried and tested “wall-to-wall” system. FFA.4 canopies are characterised by surface-covering, terminal, horizontally installed high-efficiency particulate air filters, which are positioned directly in front of the fabric distributors (single layer or differential flow). A uniform air distribution is achieved with the horizontal high-efficiency particulate air filters and the fabric.
The resistance of the high-efficiency particulate air filters in the filter covered areas is considerably less than that of end-mounted filters and on average has a outflow speed of 0.24 m/s at 60 Pa.
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Weiss Technik are a market leading environmental test chamber manufacturer. The UK team are on hand to help you find a solution for your business from our wide range of climatic test chambers and environmental simulation systems. You can download our product range brochures from Multimedia Center. All Weiss Technik environmental test chambers have possibility to use our innovative WEBSeason® user interface that allows you to program, control and monitor your tests within the chamber for ease of use. Our unique S!MPATI® software is also available to install. Installation and operating manuals for both software programs can also be found in the Multimedia Center.
We also offer OEM environmental test chamber servicing, calibration and maintenance from our UK-based service team. Find out more about service and maintenance contracts. For immediate shipping on test chambers and cabinets, take a look at our in-stock environmental simulation chambers.