30
15.720017-V6.0
DMX model 226 en
8 Integral Overflow Valve
8.1 Function
The integral overflow valve (option) protects the complete pressure side of the
dosing line system from an impermissibly high buildup of pressure.
The valve opens if the pressure rises above its set opening pressure, and the dosing
medium can return to the solution tank.
In contrast to series-connected overflow valves, the integral valve also provides
pump protection if the pressure valve is contaminated or blocked.
8.2 Permissible Media
!
WARNING Dosing heads with integral overflow valve must not be
used for abrasive or crystallizing media.
8.3 Connections
A
B
C
● Connect suction line to suction valve (A).
● Connect pressure line to pressure valve (B).
● Connect overflow line to overflow valve (C) and allow to flow by gravity into
the tank or to an appropriate overflow.
!
WARNING Danger of injury! Never use the pump if the line is not
correctly connected to the overflow valve.
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