Multi-turn gearboxes GK 10.2 - 40.2, GST 10.1 - 40.1 - AUMA - #9

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| 9 Explosion protection For the installation of valve gearboxes in potentially explosive atmospheres, special protective measures are required. AUMA gearboxes are approved for installation in potentially explosive zones. They comply with the regulations stipulated in European standard EN 13463-1 et seqq. AUMA certifies this in a declaration of incorporation. Classification of explosion protection �¡ II2G c IIC T4 according to ATEX 94/9/EC Corrosion protection/colour Standard (KN) The standard AUMA corrosion protection KN is a high quality coating. This is suitable for outdoor installation and for slightly aggressive atmospheres with a low level of pollution. KS AUMA recommends this corrosion protection class for installation in occasionally or permanently aggressive atmospheres with a moderate pollutant concentration. KX AUMA recommends this corrosion protection class for installation in aggressive atmosphere with high humidity and a high pollutant concentration. Colour The standard colour of the finish coating is silver-grey (similar to RAL 7037). Other colours are available on request.