Technical Data For Natural Gas As Actuator Medium - Siemens SIPART PS2 Series Operating Instructions Manual

12.9

Technical data for natural gas as actuator medium

Introduction
Note when using an actuator with natural gas that this can escape at the exhaust air outlets.
①
Base plate
②
Exhaust air outlet enclosure ventilation
Note
The following applies for exhaust air outlet with sound absorber
The positioner is supplied as standard with a sound absorber. To provide an outlet for the
exhaust air, replace the sound absorber by a G¼ pipe coupling.
The following applies for enclosure ventilation
1. With the "flameproof enclosure" device version in an aluminum enclosure with order suffix
-Z K50 "Operation with natural gas", you can completely collect and discharge the escaping
natural gas.
2. In all other device versions, the escaping natural gas is released into the environment.
Maximum values for escaping natural gas
● The quantity of escaping natural gas is negligible during regulated operation.
● If a control error occurs, a maximum of 30 Nl/min of natural gas will escape at the enclosure
vent
See also
Proper mounting (Page 39)
SIPART PS2 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E00074631-AE
②
and a maximum of 89 Nl/min at the control air outlet
12.9 Technical data for natural gas as actuator medium
③
Exhaust air outlet sound absorber
④
Exhaust air outlet near the pneumatic connections
②
and control air outlet
Technical data
③
:
④
:
④
.
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