Description
3.3 Operation with natural gas
SIPART PS2 with PROFIBUS communication
22
Operating Instructions, 09/2007, A5E00127926-07
Maximum values for escaping natural gas
Natural gas escapes parallel to the exhaust air outlet E:
●
From the enclosure vent at the bottom side of the device
●
From the control air outlet near the pneumatic connections
This escaping natural gas cannot be collected and carried off. Please refer to the following
table for the maximum bleeding values.
6DR5x1x-xExxx 6DR5x2x-xExxx
Single-acting
Double-acting
Bleeding process
Operating
mode
[Nl/min]
[Nl/min]
Operation,
typical
0.14
0.14
Operation,
max.
0.60
0.60
Bleed the enclosure volume through the bottom
side of the device. Purge air switch is at "IN":
Error case,
max.
60.0
60,0
Operation,
typical
1.0
2.0
Operation,
max.
8.9
9.9
Bleed through the control air outlet near the
pneumatic connections:
Error case,
max.
66.2
91.0
Operation,
max.
Bleed through the exhaust air outlet E
Error case,
max.
358.2
1)
339
1),
Volume
Max. [l]
1.26
1.23
1)
Depending on the actuating pressure and volume of the actuator as well as the frequency of
control. The maximum flow rate is 470 Nl/min at a differential pressure of 7 bar.