Suction Heights; Media With A Viscosity Similar To Water - Grundfos DMX 226 Instrucciones De Instalación Y Funcionamiento

3.5 Suction heights

3.5.1 Media with a viscosity similar to water

Applies to:
• counterpressure of 1.5 to 3 bar
• non-degassing and non-abrasive media
• temperature of 20 °C
• stroke length 100 %
• standard pump version.
Pump type
Single pump Double pump
DMX 24-8 DMX 24-8/24-8
DMX 52-8 DMX 52-8/25-8
DMX 100-8 DMX 100-8/100-8
DMX 142-8 DMX 142-8/142-8
DMX 37-5 DMX 37-5/37-5
DMX 82-5 DMX 82-5/82-5
DMX 160-5 DMX 160-5/160-5
DMX 224-5 DMX 224-5/224-5
DMX 60-3 DMX 60-3/60-3
DMX 130-3 DMX 130-3/130-3
DMX 255-3 DMX 255-3/255-3
DMX 380-3 DMX 380-3/380-3
DMX 67-10 DMX 67-10/67-10
DMX 132-10 DMX 132-10/132-10
DMX 190-10 DMX 190-10/190-10
DMX 190-8 DMX 190-8/190-8
DMX 95-8 DMX 95-8/95-8
DMX 199-8 DMX 199-8/199-8
DMX 280-8 DMX 280-8/280-8
DMX 280-6 DMX 280-6/260-6
DMX 152-6 DMX 152-6/152-6
DMX 321-6 DMX 321-6/321-6
DMX 321-4 DMX 321-4/321-4
DMX 460-6 DMX 460-6/460-6
DMX 460-3.5 DMX 460-3.5/460-3.5
DMX 249-3 DMX 249-3/249-3
DMX 315-3 DMX 315-3/315-3
DMX 525-3 DMX 525-3/525-3
DMX 765-3 DMX 765-3/765-3
* Suction line and dosing head filled (continuous operation).
With stronger restoring spring, the values for dosing head size 1 are increased by 2 metres, and for dosing head sizes 2 and 3 by
1 metre.
** Suction line and dosing head not filled, but dosing head and valves moistened (start-up).
50 Hz
Suction Suction Suction
height* lift** height*
[mWC] [mWC] [mWC]
3 1 2.5
3 1 2.5
3 1 2.5
3 1 -
3 1 2.5
3 1 2.5
3 1 2.5
3 1 -
2 1 2
2 1 2
2 1 2
2 1 -
3 1 2.5
3 1 2.5
3 1 -
3 1 -
3 1 2.5
3 1 2.5
3 1 -
3 1 -
2 1 2
2 1 2
2 1 2
2 1 -
2 1 -
1.5 1 1
1.5 1 1
1 0.5 1
0 0 -
60 Hz 100 Hz
Suction Suction Suction
lift** height*
[mWC] [mWC] [mWC]
1 2.5
1 2.5
1 -
- -
1 2
1 2
1 -
- -
1 1.5
1 1.5
1 -
- -
1 2.5
1 -
- -
- -
1 2
1 -
- -
- -
1 1.5
1 -
1 -
- -
- -
0.5 1
0.5 -
0.5 -
- -
Max. suction
line length
lift**
[m]
1 4
1 4
- 4
- 4
1 3
1 3
- 3
- 3
1 3
1 3
- 3
- 3
1 4
- 4
- 4
- 4
1 3
- 3
- 3
- 3
1 3
- 3
- 3
- 3
- 3
0.5 2
- 2
- 2
- 2
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