Type Label (Example); Mechanical Data; Pneumatic Data - Burkert 8690 Manuel D'utilisation

6.3. Operating conditions
Warning!
solar radiation and temperature fluctuations may cause mal-
functions 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:
Protection class: IP65 / IP67 according to EN 60529 (only if cables
have been connected correctly and in compliance with the exhaust
air concept in chapter "8.2. Installing the process valve").
6.4. Type label (example)
Supply voltage / Control
Type
8690 24 V/DC
single act Pilot 0,6
Pmax 7 bar 2 sw.mec.
Tamb 0°C - +55°C
ce
S/N 001000
00185114
W14UN
Fig. 5: Example of type label
14
0 to +55 °C
Control function - pilot valve
Nominal pressure - limit
switch
Max. ambient temperature
Serial number - CE mark
Bar code
Identification number
english
Type 8690 Ex
Technical data
6.5. Mechanical data
Dimensions:
Body material external
Sealing material external
internal
Stroke range of valve spindle 7 - 28 mm
6.6. pneumatic data
Control medium neutral gases, air, Quality classes in accordance
with DIN ISO 8573-1
Dust content Class 5
Water content Class 3
Oil content Class 5
Temperature range
Pressure range
Air output of pilot valve
Connections
see data sheet
PPS, PC
EPDM
NBR
max. particle size 40 μm,
max. particle density 10 mg/m
max. pressure dew point -20 °C or
min. 10 °C below the lowest operating
temperature
max. 25 mg/m
3
0 to +50 °C
3 to 7 bar
250 I /min
N
(for aeration and deaeration, Q
according to definition for pressure
drop from 7 to 6 bar absolute)
Plug-in hose connector ∅6 mm / ¼"
Socket connection G 1/8
3
-value
Nn