Operating Conditions; Mechanical Data; Pneumatic Data; Position Measuring System Data - Burkert 8681 Guide Rapide

6.4

Operating conditions

Standard version:
Ambient temp.: - 10 ... +55 °C
IP65* / IP67** according to EN 60529 or
Degree of protection:
IP69K** according to IEC 40050-9
Version for use in an explosive atmosphere, Zone 2:
Ambient temp.: + 5 ... +55 °C
Degree of protection: IP64 according to EN 60529 and
requirements EN 60079-0: 2009
When used in an explosive atmosphere (Zone 2), the devices
must be installed in a protected installation location according to
IEC/EN 60079-0.
6.5

Mechanical data

Dimensions: See data sheet
Housing material: O utside: PA, PC, PPO, VA
Inside:
Sealing material: O utside: CR, EPDM
Inside:
6.6

Pneumatic data

Control medium: A ir, neutral gases: Air, neutral gases
Quality classes according to ISO 8573-1
(5 µm filter recommended)
______________________
* evaluated by UL
** not evaluated by UL
10
ABS, PA, PMMA
EPDM, FKM, NBR
english
Type 8681
Technical data
Dust content Max. particle size 40 μm,
(quality class 7) Max. particle density 10 mg/m
Water content Max. pressure dew point -20 °C or
(quality class 3) M in. 10 °C below the lowest operating
temperature
Oil content
(quality class X) Max. 25 mg/m
Temperature range of compressed air:
Pressure range:
Air flow rate
solenoid valve: 110 I /min (for deaeration, aeration,
N
ventilation)
(110 I /min - supplied state
N
200 I /min - max. typical flow)
N
( Q value according to definition for pressure
Nn
drop from 7 to 6 bar absolute at +20 °C)
Connections: I ntake and exhaust air port G1/4
Working ports G1/8
6.7

Position measuring system data

Stroke range: 0 ... 80 mm
≤ 0.1 mm
Resolution:
Total fault: ± 0.5 mm (when using a suitable target)
6.8

Electrical data

See chapter: " 8 24 V DC design",
"9 AS-I design",
3
3
-10 ... +50 °C
2.5 ... 8 bar