3. Technical data, DMM 440 to 990
3.1 Operating conditions
DMM
Maximum pressure
Maximum capacity
at maximum pressure
Diaphragm diameter
Maximum stroke frequency
Suction lift
Ambient temperature
Liquid temperature
Accuracy of repeatability
Weight (dosing head of plastic)
Weight (dosing head of stainless
steel)
3.2 Electrical motor data
DMM
Standard motor type
Connection
-1
Speed [min.
]
Voltage [V]
Rated current [A]
Power, P
[kW]
2
Frequency [Hz]
Enclosure class
Insulation class
3.3 Dimensions
See dimensions at the end of these instructions.
All dimensions are in mm.
3.4 Performance curves
See performance curves at the end of these instruc-
tions. The pump performance curves depend on the
viscosity of the pumped liquid and the installation
conditions.
The curves apply to water at 18°C and a suction lift
of 0.6 metres.
8
440
bar
5
l/h
440
ml/stroke
165
mm
185
1/min.
47
m
°C
%
38
kg
48
640
990
5
4
640
990
165
165
185
185
70
101
3
Maximum 40
Maximum 50
±2
38
38
48
48
80 RF 0.55/4-7
∆/Y
1410
230/400
2.6/1.55
0.75
50
IP 55
B