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8.4.2 - ZERO VERSION REGULATOR COMMISSIONING
To commission the Zero (C) version regulator, proceed as shown in Tab. 8.47.:
Step
Action
1
Partially open the downstream air vent valve when present.
2
Slowly open upstream shut-off devices (e.g. solenoid valves, OPSO slam-shut valve, etc.).
Wait for the downstream pressure to stabilise at the spring setting P2 indicated on the nameplate.
3
NOTICE!
For the values on the rating plate, please refer to section 2.8 'Applied rating plates' et seq.
4
Proceed as described in section 7.5.2 'Zero version adjustments'.
5
Close the air vent valve.
GAS
LOW-PRESSURE GAS REGULATOR
EN
Use, maintenance and warning manual
A
B
Fig. 8.20.
Commissioning (Zero version)
|
COMMISSIONING
|
REV. A
C
Tab. 8.46.
D
66
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