Festo DRD Série Notice D'utilisation page 33

DRE/DRD
Size
1
2 14
26
50
77
100
150
225
375
575
880
The response times are average values for a switching operation under idling
conditions.
1)
The response times apply to quarter turn actuators with 10 return springs each at
6 bar nominal operating pressure.
2)
The response times for this quarter turn actuator apply to a device with 15 return
springs each at 6 bar nominal operating pressure.
Festo DRD/DRE 0703a English
DRD response time
[s] [s]
< 1
< 1
1
1
1
1.2
1.2
2.1
3.2
4.0
6.5
1)
DRE response time
OPEN
(against spring force)
< 1
< 1
1.2
1.5
1.9
2.2
3.9
8.2
2)
10.2
13.8
[s]
CLOSE
(with spring force)
< 1
< 1
0.5
1.0
1.1
1.2
1.5
4.8
2)
7.0
10.0
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