Design; Functional Description - ProMinent 987629 Instrucciones De Servicio

Design / Functional Description
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1

Design

Each of the functions of the multi-function valve is produced by a
spring-loaded diaphragm. The valve features a pressure relief
mechanism for both the pressure retaining function as well as for
the pressure relief function.
1
2

Functional Description

Functions
- Producing a defined backpressure for metering with respect to
free outlet.
Turn the black rotary knob clockwise (1) to disable this function.
- Prevents lift-through from the supply vessel in the case of
vacuum at the metering point.
Turn the black rotary knob clockwise (1) to disable this function.
IMPORTANT
• Multi-function valves are not intended to act as fully sealing
stop taps.
If it is imperative that no metering chemical reaches the metering
point, fit an additional stop cock to the suction side of the pump.
2
Fig. shows the
multi-function valve, Size I
ProMinent ®