7 | Maintenance
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3
Process flow inlet (IN)
Process flow outlet (OUT)
2x Barrier gas
connection (BGC)
2x Barrier gas
connection (BGC)
Connection size:
– 4 x G3/8 (BGC)
Barrier gas requirements:
Gas type
Dry nitrogen, air or other suitable gas
Gas temperature
°C
0 ... 60
Filtration
µm
≤
5
Gas pressure
bar
≥
Pressure of flushing fluid + 1 bar
Recommended flow rate
SLM*
30
* standard litre per minute
• Stop the machine.
• Open the gas supply.
• Flush the machine.
When the flushing is finished:
• Close the gas supply.
• Dry the machine of flushing fluid.
Do not operate the machine in normal operating conditions with the barrier gas opened.
It might affect the ultimate pressure and the suction capacity.
7
Maintenance
WARNING
Machines contaminated with hazardous material.
Risk of poisoning!
Risk of infection!
If the machine is contaminated with hazardous material:
• Wear appropriate personal protective equipment.
CAUTION
Hot surface.
Risk of burns!
• Prior to any action requiring touching the machine, let the machine cool down first.