Operating Conditions; Pneumatic Data; Mechanical Data - Burkert 8690 Manuel D'utilisation

6.4 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
Degree of protection
Evaluated by the manufacturer:
IP65 / IP67 according to
EN 60529
1)
Only if cables, plugs and sockets have been connected correctly and
1)
in compliance with the exhaust air concept, see chapter "8 Pneumatic
installation".
6.5 mechanical data
Dimensions
Housing material external
Sealing material external
internal
10
see type label
Evaluated by UL:
UL Type 4x Rating
1)
see data sheet
PPS, PC
EPDM
NBR
english
Type 8690
Technicaldata
Stroke range of valve spindle Micro switch
6.6 pneumatic data
Control medium neutral gases, air, Quality classes in accordance
with ISO 8573-1
Dust content Class 7
Water content Class 3
Oil content Class X
Temperature range
Pressure range
Air output of pilot valve
Connections
7–28 mm
Proximity switch 2–28 mm
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
-10 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