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OPERATING MANUAL
VERSION 01/2013 ORDER NUMBER DOC 2335747
3 IDENTIFICATION
3.1 EXPLOSION PROTECTION IDENTIFICATION
3.2 MAXIMUM SURFACE TEMPERATURE
Maximum surface temperature: the same as the permissible material temperature.
Permissible material temperature: +4÷90 °C; +39÷194 °F
Permissible ambient temperature: +4÷40 °C; +39÷104 °F
As de ned in the Directive 94/9/EC (ATEX 95), the device is suitable for use in areas where
there is an explosion hazard.
+4°C ambient temperature to +40°C
European Communities
Symbol for explosion protection
Device class II
Category 2 (Zone 1)
Ex-atmosphere gas
Explosion group
Temperature class: maximum surface temperature < 135 °C; 275 °F
Ambient temperature +4 °C to +40 °C: permissible ambient temperature area
Metallic versions (aluminum):
Pneumatic double diaphragm pumps with Order No.
U509.A0
U509.A0A
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