Ecolab EcoPro Manuel D'utilisation page 136

Assembly and connection
Installation example 2
Installation example 3
1
3
4
A pressure-retention valve or metering valve is not a 100% sealed shut-off
device.
To prevent the metering medium from escaping while the pump is stopped, we
also recommend installing a solenoid valve
Installation example 4
1
MAN046879 Rev. 12-01.2024
1
2
Injector valve / metering valve
3
pressure control valve
overflow valve
For outgasing media or for products with a viscosity > 100 mPas installation
in feed mode is recommended.
In this process, ensure that the injection point
the supply container and/or an appropriate pressure control valve
installed.
These measures avoid the supply container being siphoned.
2
Injection valve / metering valve
External enable
Solenoid valve
Pressure control valve
When metering in pipes with a vacuum, a pressure control valve
installed in the metering line.
Overflow valve
Injection valve / metering valve
The metering point should not be positioned below the supply container as
this creates a risk of the supply container being siphoned.
2
34
is positioned above
, given with the pump.
is
must be