Wilo-Multivert MVIS
Wilo-Multivert MVIS
Your advantages
- Glandless pump technology
- Virtually noiseless operation (up to 20 dB [A] quieter than conventional pumps)
- Space-saving, compact design
- Virtually maintenance-free with no mechanical seals in design
- Drinking water approvals for all components that come in contact with the fluid
Recommended services
Multivert MVIS
Design
Non-self-priming multistage pump with glandless pump motor
Application
- Water supply and pressure boosting systems
Equipment/function
- Multistage, non-self-priming, vertical high-pressure centrifugal pump in in-line design.
- Glandless three-phase motor
- Hydraulic connection with oval flanges PN 16. Mating flanges of grey cast iron with female thread, screws and gaskets (scope of delivery)
Typekey
Example: | MVIS 402-1/16/K/3-400-50-2 |
MVIS | Multistage vertical high-pressure centrifugal pump in glandless pump technology |
4 | Volume flow in m3/h |
02 | Number of impellers |
1 | Material1 = 1.4301 (AISI 304) |
16 | Nominal pressure in bar |
K | Seal typeEPDM |
3 | 3 = 3~ (three-phase current) |
400 | Connection voltage in V |
50 | Frequency in Hz |
2 | Number of poles |
Technical data
- Mains connection 3~230 V (±10 %), 50 Hz (∆), 220 V (±10 %), 60 Hz (∆), 400 V (±10 %), 50 Hz (Y) or 380 V (±10 %), 60 Hz (Y)
- Fluid temperature -15 to +50 °C
- Max. operating pressure 16 bar
- Max. inlet pressure 10 bar
- IP rating IP 44
- Nominal diameters of pipe connections Rp 1, Rp 1¼ or Rp 1½, depending on type
Materials
- Impellers stainless steel 1.4301
- Stage chambers stainless steel 1.4301
- Pump housing stainless steel 1.4301
- Shaft stainless steel 1.4122
- Seal EPDM (EP 851)
- Lower housing section stainless steel 1.4301
- Pressure shroud stainless steel 1.4301
- Bearing carbon, synthetic resin impregnated
- Pump base EN-GJL-250
Scope of delivery
- Pump
- Oval counter flanges Rp 1 to Rp 1 ½
- Installation and operating instructions
Installation and operating instructions
Wilo-Multivert MVIS
| Article Number | 2020405 |
| Edition | 2020-01 |
| Number of pages | 232 |
| Language | ar, bg, cs, da, de, el, en, es, et, fi, fr, ga, hr, hu, it, ko, lt, lv, mk, nl, no, pl, pt, ro, ru, sk, sl, sr, sv, tr, uk, zh |
PDF (5 MB)Group Statement
Group Statement REACH
| Edition | 2021-05 |
| Number of pages | 5 |
| Language | language neutral |
PDF (271 KB)CE
CE 2105108-06
| Number of pages | 6 |
| Language | language neutral |
PDF (212 KB)