35
GOVERNORS NOR
TH AMERICA
LOW PRESSURE GAS REGULATOR
|
DESCRIPTION AND OPERATION
|
REV. A
US
Operation, maintenance and warning manual
4.3 - OPERATION
The GOVERNORS NORTH AMERICA are regulators:
• self-activated;
• for low pressure;
• with safety membrane.
In Tab. 4.17. the operation of the equipment is described in a simplified way:
Phase Description
1
The upstream pressure (A):
• feeds the regulator;
• is adjusted by the balanced plug system (B) to the value of the downstream pressure (C) required by the
user.
2
In the event of working membrane (D) rupture, the presence of the safety membrane (E), limits gas leakage into
the atmosphere to 30 l/h.
Tab. 4.17.
D
E
A
B
C
U
pstream
(
inlet
)
pressUre
D
ownstream
(
oUtlet
)
pressUre
Fig. 4.5. Operation GOVERNORS NORTH AMERICA
Summary of Contents for 30051
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