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V6
SWITCH VALVE
The HP unit contains one switch valve which is used for changing the operating side of the
pilot regulator. (The pilot regulator gives extra power to the HP regulator on the operating side.)
V7, V8
SHUT OFF VALVES
The Stabilizer contains two shut off valves. The shut off valves are switching the gas fl ow be-
tween regulator R5 and R6 together with shut off valves V9 and V10. The valves are used dur-
ing service, to give uninterrupted gas supply.
V9, V10
The Stabilizer contains two shut off valves. The shut off valves are switching the gas fl ow be-
tween regulator R5 and R6 together with shut off valves V7 and V8. The valves are used during
EN
service, to give uninterrupted gas supply.
R1, R2
HIGH PRESSURE REGULATORS
The HP unit contains two high pressure regulators. The regulators are reducing the pressure
from high pressure to the intermediate pressure.
R3
PILOT REGULATOR
The HP unit contains one pilot regulator. The regulator is used for increasing the intermediate
pressure from one of the HP regulators.
R5, R6
The Stabilizer contains two line pressure regulators. The regulators are reducing the pressure
from intermediate pressure to the distribution pressure. Information about pre-setting's of the
product you can fi nd in testing report included to the product delivery.
S1, S2
SAFETY VALVES
The manifold contains two intermediate pressure safety valves, one on each side. When the
pressure increase up to pre-set level the safety valve will activate and gas will purge out
through the exhaust pipe.
S3, S4
SAFETY VALVES
The stabilizer contains two distribution pressure safety valves, one on each side. When the
pressure is increasing up to pre-set limit the safety valve will activate and gas is purging out
through the exhaust pipe.
M1, M2
The HP unit contains two high pressure gauges. The gauges are showing the inlet pressure
from the collecting pipes.
M3
INTERMEDIATE PRESSURE GAUGE
The HP unit contains one intermediate pressure gauge. The gauge is showing the intermediate
pressure from the HP unit.
M4
LOW PRESSURE GAUGE
The Stabilizer contains one low pressure gauge. The gauge is showing the distribution pressure
from the Stabilizer.
T1, T2
HIGH PRESSURE SENSOR
High pressure sensors are installed on the inlet of the HP unit. Main function of high pres-
sure sensors is to supervise leakage on reserve side and send information to the alarm. When
leakage on reserve side is detected by pressure drop, the alarm starts to inform the technical
personal.
T3, T4
PRESSURE SENSOR
The HP unit contains two pressure switches. A main function of high pressure switches is
checking which side is operation and which side is reserve.
T5
PRESSURE SENSOR
The HP unit contains one sensor which is checking intermediate pressure. Main function of the
pressure sensor is checking upper limit of the intermediate pressure. If the pressure is too high,
the sensor will send information to the alarm unit.
T7
PRESSURE SENSOR
The Stabilizer contains one low pressure sensor which is installed in the outlet block. Main func-
tion of the pressure sensor is to check correct distribution pressure. If the pressure is so low or
high, the sensors will send information to the alarm unit.
SHUT OFF VALVES
LINE REGULATORS
HIGH PRESSURE GAUGES
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