Multistage, non-self-priming, horizontal high-pressure centrifugal pump in block design with horizontal suction- and vertical pressure port.
The pump has a compact design with a continuous motor pump shaft and a bidirectional mechanical seal.
The pump is suitable for water supply and pressure boosting, industrial recirculation systems, process water and cooling water circuits. It can also be used in washing systems as well as for irrigation.
Special features/product advantages
- Space-saving, compact block design
- All hydraulic parts which come into contact with the fluid, such as stage chambers, impellers and diffusors and the pump housing are made of stainless steel
- Drinking water approval (KTW, WRAS) for all components in contact with the fluid (EPDM version)
Scope of delivery
- Wilo-Economy MHI high-pressure multistage centrifugal pump
- Installation and operating instructions
Design notes
- Motor protection for three-phase AC motor is optional or to be provided on-site
- Single-phase AC motor equipped with built-in thermal motor protection and capacitor
Product data
Brand
Wilo
Product description
Economy MHI 404 (3~400 V, FKM)
Article number
4210731
Minimum order quantity
1
Date of sales availability
2016-09-01
EAN number
4048482691879
Colour
Green/silver
Installation dimensions
Pipe connection on the suction side
Rp 1¼
Pipe connection on the discharge side
Rp 1
Dimension, weight
Gross weight, approx.
15.1 kg
Height
219 mm
Width
190 mm
Width with packaging
260 mm
Length
457 mm
Net weight, approx.
13.6 kg
Height with packaging
280 mm
Length with packaging
600 mm
Packaging
Packaging property
Transport packaging
Packaging type
Cardboard box
Pieces per pallet
1
Number per layer
1
Materials
Mechanical seal
BQ1VGG
Pump housing
Stainless steel
Shaft
Stainless steel
Impeller
Stainless steel
Gasket material
FKM
Motor data
Motor efficiency
80.7 %
Protection class motor
IP54
Voltage tolerance
±10 %
Motor efficiency
80.7 %
Motor efficiency class
IE3
Motor efficiency
79.5 %
Power factor
0.82
Insulation class
F
Rated speed
2900 1/min
Mains connection
3~400 V, 50 Hz
Rated current
1.95 A
Activation type
Direct On Line (DOL)
Rated power
0.75 kW
Hydraulic data
Maximum operating pressure
10 bar
Max. fluid temperature
90 °C
Min. ambient temperature
-15 °C
Max. ambient temperature
40 °C
Maximum inlet pressure
6 bar
Min. fluid temperature
-15 °C
Discharge port
Rp 1
![](https://im.astiv.ru/files/images/pumpcurves/584c7740cb526ac87314c1fc96cd1405.jpg)
![](https://im.astiv.ru/files/images/dimdrawings/5567d26bfa37b94251d4157604ab4127.png)
![](https://im.astiv.ru/files/images/wiring/114fdee808e25c109ab2c52210b42ebd.png)