English (GB)
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1.3 Information about the product
1.3.1 Pump types
The DDI 209 dosing pump is available for a variety of
performance ranges in various sizes:
The following is indicated on the pump nameplate
(see section
4.1 Identification
):
•
The pump type which specifies the stroke
volume, connection size and performance data
(see below).
•
The pump serial number which is used to identify
the pump.
•
The most important characteristics of the pump
configuration, e.g. dosing head and valve
materials. They are described in section
4.2 Type key
.
•
Maximum flow rate and maximum
counter-pressure.
•
Supply voltage or mains voltage and mains
frequency.
1.3.2 Connection size
Pump types
DDI 0.4-10
DDI 2.2-16
DDI 2.5-10
DDI 5.5-10
DDI 13.8-4
DDI 20-3
Note
The pump for viscous liquids is called
HV variant in the following.
Pump type
Connection size
HV variant
DDI 0.4-10
DN 4
DN 4
DDI 2.2-16
DN 4
DN 8
DDI 2.5-10
DN 4
DN 8
DDI 5.5-10
DN 4
DN 8
DDI 13.8-4
DN 8/10
DN 8
DDI 20-3
DN 8/10
DN 8
