Burkert Type 8791 - Manual (Page 22)

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Technical Data
8. Technical DaTa
8.1. conformity
In accordance with the EC Declaration of conformity, the positioner Type 8791 is compliant with the EC
Directives.
8.2. standards
Conformity with the EC Directives is verified by the following standards.
EN 61000-6-3, EN 61000-6-2, EN 61010-1
8.3. Operating conditions
noTE!
if used outside, the device may be exposed to direct sunlight and temperature fluctuations which may
cause malfunctions or leaks!
• If the device is used outdoors, do not expose it unprotected to the weather conditions.
• Ensure that the permitted ambient temperature does not exceed the maximum value or drop below the minimum value.
Environmental temperature 0 to +60 °C
Protection class IP65 / IP67 2) according to EN 60529
(only if cables, plugs and sockets have been connected correctly)
2)
If the positioner is used under IP67 conditions, the ventilation filter (see “Figure 1: Structure, positioner type
8791”) must be removed and the exhaust air conducted into the dry area.
8.4. mechanical data
Dimensions See data sheet
Material
Housing material Plastic-coated aluminium
Other external parts Stainless steel (V4A), PC, PE, POM, PTFE
Sealing material EPDM, NBR, FKM
Weight approx. 1.0 kg
english
Type 8791