5 | Installation
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0870203597_NC0100-0300B_WCV_Ex_-0001_IM_en
5.2.6 Purge Gas System Connection
PRV
PGC
MAN
FME, FR
NIP
MV3
INF
FS-/0503
(optional)
MV2
NIF
(optional)
(optional)
PGC
Purge gas connection
FME
Flow meter
FR
Flow regulator
FS
Flow switch
INF
Inlet flange
MAN
Manometer
MV
Solenoid valve
NIF
Nitrogen inlet filter
NIP
Nitrogen panel
PRV
Pressure regulating valve
• Connect the purge gas connection to the gas supply.
Connection size:
– G1/4, ISO 228-1
If a flow switch is installed:
• Electrically connect the flow switch (FS) of the flow meter, see
.
• Make sure that the gas complies with the following requirements:
Gas type
Dry nitrogen
Gas temperature
°C
0 ... 60
Maximum gas pressure
bar
13
Recommended pressure setting at the
pressure regulating valve (PRV)
bar
0.5
Filtration
µm
5
Recommended flow rate
SLM*
≥
40 for NC 0100-0200 B
* standard litre per minute
Содержание COBRA ATEX NC 0100-0300 B
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