Burkert Type 8690 - Manual (Page 11)

11
Descriptionofsystem
6.5 pneumatic data
Control medium neutral gases, air, Quality classes in accordance
with DIN ISO 8573-1
Dust content Class 5 max. particle size 40 μm,
max. particle density 10 mg/m 3
Water content Class 3 max. pressure dew point -20 °C or
min. 10 °C below the lowest operating
temperature
Oil content Class 5 max. 25 mg/m 3
Temperature range -10 to +50 °C
Pressure range 3 to 7 bar
Air output of pilot valve 250 I
N
/min
(for aeration and deaeration, Q
Nn
-value
according to definition for pressure
drop from 7 to 6 bar absolute)
Connections Plug-in hose connector ∅6 mm / ¼”
Socket connection G 1/8
6.6 electrical data
Connections: Cable gland M16 x 1.5, wrench size 22
(clamping area 5 – 10 mm)
with screw terminals
for cable cross-sections 0.14 – 1.5 mm²
Circular plug-in connector M12 x 1, 8-pole
Supply voltage
Pilot valve
24 V DC ± 10 %, residual ripple 10 %
Micro switch 24 V DC max. 2 A
Proximity switches 24 V DC max. 100 mA per proximity switch
Power consumption of pilot valve: 1 W
Position feedback
(option):
1 or 2x Micro switch (24 V DC)
1 or 2x Proximity switch (24 V DC),
normally open PNP
1 or 2x Proximity switch NAMUR (8 V DC)
6.7 Type label (example)
8690 24 V/DC
single act Pilot 0,6
Pmax 7 bar 2 sw.mec.
Tamb 0°C - +55°C
S/N 001000
00185114
D-74653
Ingelfingen
W14UN
ce
Identification number
Supply voltage / Control
Max. operating pressure -
limit switch
Type Control function - pilot valve
Bar code
Serial number - CE mark
Ambient temperature
Fig. 4: Example of type label
english
Type 8690