Contact
Normally closed
Switch-point
P
switch
2500 hPA > min. admissible pressure
Tbl. 8:
Contact and switch-point for pressure switch
Gas type
Dry nitrogen or air
Gas temperature
0 – 60 °C
Max. gas pressure
13000 hPa
Recommended pressure setting at the pressure regulating valve
3000 hPa
Filtration
5 μm
Recommended flow rate Labyrinth seals, oil-lubricated single axial face
seals, PTFE shaft seals
2.5 – 3 SLM
Gas axial face seal
≤ 1 SLM
Tbl. 9:
Requirements for the sealing gas supply
5.6 Connecting the gas ballast system
2
3
4
5
1
Fig. 8:
Connecting the gas ballast system
1 Flow rate meter, flow regulator
4
Gas ballast connection
2 Pressure regulating valve
5
Nitrogen monitoring tablet
3 Pressure gauge
Procedure
1. Connect the gas ballast connection to the gas supply.
– Connection size: 1/4" thread, ISO 228-1
2. Connect the electrics of the solenoid valve.
1(+)
PE
2 (-)
Fig. 9:
Connection data for the solenoid valve
● U = 24 VDC; P
max
= 8 W
● Contact: Normally closed
Gas type
Dry nitrogen
Gas temperature
0 – 60 °C
Max. gas pressure
13000 hPa
Installation
25/70
