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. Stage chambers, impellers and diffusors are made of stainless steel and pump housing is made of cataphoretic-coated cast iron.
It 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
Scope of delivery
– Wilo-MHIL 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
Operating Data
Fluid media: Water 100 %
Fluid temperature: 20.00 °C
Fluid concentration: 100.00 %
Requested flow:
Requested head:
Product data
Min. fluid temperature: -15 °C
Max. fluid temperature: 90 °C
Max. ambient temperature: 40 °C
Maximum operating pressure: 10 bar
Maximum inlet pressure: 600 kPa
Motor data
Mains connection: 3~400V/50 Hz
Voltage tolerance: +-10 %
Rated power: 1.5 kW
Motor efficiency class: IE3
Rated current: 3.7 A
Rated speed: 2,900 1/min
Power factor: 0.84
Motor efficiency 50%: 83.0 %
Motor efficiency 75%: 84.2 %
Motor efficiency 100%: 84.2 %
Insulation class: F
Protection class: IP54
Materials
Pump housing: 5.1301/EN-GJL-250
Impeller: 1.4301
Shaft: 1.4301
Shaft seal: Q1BE3GG
Gasket material: EPDM
Installation dimensions
Pipe connection on the suction side: Rp 1½, PN 10
Pipe connection on the discharge side: Rp 1¼, PN 10
Ordering information
Brand: Wilo
Product description: MHIL 904-E-3-400-50-2/IE3
Net weight, approx.: 21.4 kg
Article number: 4210669
