Burkert 8697, Operating Instructions Manual

Page: 9 / 33

9
Technical data
6. TECHNICAL DATA
6.1. Conformity
In accordance with the EU Declaration of conformity, the Pneu-
matic Control Unit Type 8697 is compliant with the EU Directives
(if applicable).
6.2. Standards
The applied standards, which verify conformity with the EU Direc-
tives, can be found on the EU-Type Examination Certificate and /
or the EU Declaration of Conformity (if applicable).
6.3. Licenses
The product is approved for use in zone 1, 2, 21 and 22 in accor-
dance with ATEX directive 2014/34/EU category 2 GD and 3GD.
Observe instructions on operation in an explosion-risk
(Ex) area. Observe the ATEX additional instructions.
The product is cULus approved. Instructions for use in the UL
area see chapter “6.9. Electrical data”.
6.4. Operating conditions
WARNING!
Solar radiation and temperature fluctuations 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.
Ambient temperature
without pilot valve (feedback head) -20...+60 °C
( -4...+140 °F)
with pilot valve (control head) -10...+55 °C
(+14...+131 °F)
with ATEX approval see ATEX additional
instructions
Degree of protection
Evaluated by the manufacturer:
IP65 / IP67 according
to EN 60529
1)
Evaluated by UL: Cat. 4x according to
NEMA 250 standard
english
Type 8697