3.8 Connecting the Purge Gas Valve
(only for certain pump versions, see Section 1.4)
In the case of ATEX applications conforming utilisation requires mandatory
operation with purge gas.
Connect the valve as shown in the Figs. below. The valve is normally closed.
Connect the purge gas: admission pressure into the pressure reducer 3-10
bar (to be provided from the side of the customer).
24 V DC
1 +
2 -
Valve
Fig. 3.13 Connection of the connector at the switch-on valve
Fig. 3.14 Connecting the connector at the purge gas valve
Fig. 3.15 Connecting the purge gas
Pressure connection for purge gas - G 1/8 inside
thread or 6 mm plug-in connector.
Unscrew the closure screw with the hexagon
socket screw key
Loosen bolt and
pull the plug.
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