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Horizontal high pressure pumps MHI

Appointment

High pressure pumps WILO MHI are used for pumping drinking water, cold and hot water in heat and water supply systems, condensate, a mixture of water with glycol (up to 40% glycol in the mixture), as well as other media free of mineral fats, abrasive and long-fibred inclusions.

Application of high pressure pumps MHI: installation of water supply and raising pressure, boiler feed, industrial circulation systems, water cooling circuits, fire extinguishing systems, as well as washing and irrigation installations.

Diagram productivity

Диаграмма производительности насосов повышения давления WILO серии MHI

Designation
Example:MHI 205N-1 /E /3-400-50-2
MHI -
Horizontal multistage high-pressure centrifugal pump
2 - Consumption in m³ /h
05 - Number of impellers
N - IE2 motor
one - Material
1=1.4301 (AISI 304)
2=1.4404 (AISI 316L)
E - Sealing type
E=EPDM
V=FKM (Viton)
3 - 1=1 ~ (single phase current)
3=3 ~ (three-phase current)
400 - Connectable voltage in V
fifty - Frequency in Hz
2 - Number of poles
Pumps increasing pressure series MHI

Model

power, kWt

Feed, m³ /hour

Head, m

Picture

MHI 202

0.55

five

25

Многоступенчатый насос Wilo MHI для промышленности

MHI 203

0.55

five

35

MHI 204

0.55

five

45

MHI 205

0.75

five

55

MHI 206

1.1

five

65

MHI 402

0.55

8

25

MHI 403

0.55

8

35

MHI 404

0.75

8

45

MHI 405

1.1

8

55

MHI 406

1.5

8

70

MHI 802

0.75

12

25

MHI 803

1.1

12

35

MHI 804

1.5

12

45

MHI 805

1.85

12

60

MHI 1602

1.5

25

25

MHI 1603

1.85

25

35

MHI 1604

2.5

25

45

Technical data
WILO MHI
2 ... four... 8... 16...
Permissible pumped liquids
Potable and industrial water, water systems heating Yes
Condensate Yes
Water-glycol mixture
(up to 40% by volume glycol content, from 10%, motor power adjustment is required)
Yes
Other low-viscosity liquids
(without abrasive and long-fiber inclusions that destroy the pump)
Yes
Performance (at 50 Hz)
Max flow [m3/hour] five 8 12 25
Max. head [m] 70 70 60 47
Pumped liquid temperature [aboutFROM] from -15 to +110
Ambient temperature [aboutFROM] 40
Working pressure [bar] ten
Inlet pressure [bar] 6
Max. rotation speed [rpm] 2950
Motor
Electrical connection one~[V /Hz]
(voltage tolerances ± 10%)
230/50 or 220/60
Electrical connection 3~[V /Hz]
(voltage tolerances ± 10%)
230/50 ∆ or 220/60 ∆
400/50 Y or 380/60 Y
Insulation class F
Interference EN 61800-3
Degree of protection IP 54
Accession
Connection diameter on the pressure side [Rp] one one one¼ one½
Materials
Working wheel 1.4301 /1.4404
Step chambers 1.4301 /1.4404
Pump housing 1.4301 /1.4404
Shaft 1.4404
Seals EPDM (EP 851) /Viton
case cover 1.4301 /1.4404
Sliding mechanical seal Graphite /Carbide tungsten
Pressure shroud 1.4301 /1.4404
Bearing Wolfram carbide
Pump base Aluminum


Explanations for inlet pressure:

Maximum pressure on inlet is calculated as the maximum operating pressure of the system minus the maximum pressure generated by the pump at Q=0.

Explanations for the materials used:
Steel 1.4301 complies with AISI 304, steel 1.4404 corresponds to AISI 316L.

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