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3.1 Additional fittings
Î See Fig. 3-2
Insulation
Regulators can be insulated to reduce heat
energy transfer.
Refer to the instructions in the 'Installation'
section.
10
13
8
Fig. 3-2: Series 2357 Pressure Regulator for cryogenic service, schematic drawing
EB 2557 EN
1
9
_
6.1
11
B
TR
_
5
Design and principle of operation
Shut-off valves
We recommend installing shut-off valves
(6.1, 6.2, 12). Their installation ensures the
plant does not be completely shut down for
service and repair work on the regulator or
when the plant is not operated for extended
periods.
3
1
+
2
3
4
6.2
5
6.1 Shut-off valve
6.2 Shut-off valve
7
8
9
7
10 Safety valve
11 Strainer
2
12 Shut-off valve
A
13
4
12
Cryogenic tank
Type 2357-1 Pressure Build-up
Regulator
Type 2357-2 Excess Pressure
Valve (economizer)
Type 2357-1 Pressure Reducing
Valve
Type 2040 Temperature
Monitor
Pressure build-up vaporizer
Final vaporizer
Media 7/Media 5 Level Meter
Pressure protection by
Type 2357-3 as excess pressure
valve with special accessories
3-3
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