Idiomas disponibles
Idiomas disponibles
Functional description
2
Functional description
Functions
NOTICE!
Not suitable as a shut-off device
Multifunctional valves are not suitable for use as absolutely leak-tight shut-off devices.
Fit an additional shut-off device on the suction side of the pump if absolutely no feed chemical
is permitted to reach the point of injection.
Generation of a defined back pressure when metering against a free outlet. This function is stopped
by turning the black rotary dial clockwise.
Prevention of siphoning from the storage tank in the event of negative pressure at the point of injec‐
tion. This function is stopped by turning the black rotary dial clockwise.
1
Fig. 2: Priming aid when commissioning the pump against pressure
1.
Black rotary dial
2.
Red rotary dial
Priming aid when commissioning the pump against pressure. It is not necessary to loosen the
discharge line. The priming aid is provided by turning the red rotary dial (2).
20
2
A1583
Capítulos
