En
gl
is
h (
G
B)
16
4.3 General description
The DDI 209 is a dosing pump with a stepper motor
and electronic power control. The pump is operated
via the diagonal or horizontal display in a
user-friendly menu structure.
The DDI 209 is available in various versions. See
also section
1. General information
.
In the general description, a distinction is made
between pumps with dosing heads with the following
features:
•
manual deaeration (standard)
•
Plus
3
system
•
diaphragm leakage detection.
Option:
The pump can also be equipped with the following:
•
Flow Monitor
•
interface for PROFIBUS.
The functions are described, but only apply to the
relevant pump version.
4.3.1 DDI 209 with manual deaeration
Fig. 2
DDI 209 with manual deaeration
TM
03
65
89
45
06
3b
3a
V
I
2a
Pos. Components
3a
Suction valve
3b
Discharge valve
2a
Dosing head with manual deaeration
I
Connection for deaeration line
V
Deaeration screw for manual deaeration