Grundfos DMM 110, Инструкция по установке и эксплуатации

Страница: 8 / 126

8
3. Technical data, DMM 440 to 990
3.1 Operating conditions
3.2 Electrical motor data
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.
DMM 440 640 990
Maximum pressure bar 5 5 4
Maximum capacity
at maximum pressure
l/h 440 640 990
ml/stroke 165 165 165
Diaphragm diameter mm 185 185 185
Maximum stroke frequency 1/min. 47 70 101
Suction lift m 3
Ambient temperature
°C
Maximum 40
Liquid temperature Maximum 50
Accuracy of repeatability % ±2
Weight (dosing head of plastic)
kg
38 38 38
Weight (dosing head of stainless
steel)
48 48 48
DMM
Standard motor type 80 RF 0.55/4-7
Connection
∆
/Y
Speed [min.
-1
] 1410
Voltage [V] 230/400
Rated current [A] 2.6/1.55
Power, P
2
[kW] 0.75
Frequency [Hz] 50
Enclosure class IP 55
Insulation class B