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Description
Non-self-priming multistage pump.
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Advantages
- Corrosion-resistant impellers and guide vanes and stage housings
- Drinking water approval depends on a permit for drinking water from local authorities (see material category)
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Technical Features
Design
Non-self-priming multistage pump.
Application
- Water distribution and pressure boosting
- Fire-fighting systems
- Boiler feed
- Industrial circulation systems
- Process engineering
- Cooling water circulation systems
- Washing and sprinkling systems
Equipment/function
- MVI 70.. and 95..: PN16 and PN25 version with round flange
- IE2-IEC standard motor
Typekey
Example: MVI 7002/1 CN-1/16/E/3-400-50-2 MVI Vertical high-pressure multistage centrifugal pump 70 Flow rate in m3/h 02 Number of impellers 1 Number of trimmed impellers 3 3= pump housing EN-GJL-250 (cataphoretic coating), hydraulics 1.4301 (AISI 304) 16 Flange type16 = flange PN16 (round or oval)25 = flange PN25 (round or oval) E Gasket typeE = EPDMV = FKM (Viton) 3 3~ (three-phase current) 400 Connection voltage in V 50 Frequency in Hz 2 Number of poles Technical Data
- Electrical connection:
- 3~400 V (±10 %), 50 Hz
- ≤ 4 kW 230 V/ 400 V; Δ/Y
- > 4 kW 400 V/ 690 V; Δ/Y
- Fluid temperature of -15 to +120 °C (with EPDM), (-15 to +90 °C with FKM)
- Operating pressure max. 16/25 bar
- Max. inlet pressure of 10 bar
- Protection class IP 55
- Flange connections:
- MVI 70../95.. PN 16/PN 25: Round flange (DN 100)
Materials
MVI 70../95..:
- Impellers of stainless steel 1.4408
- Stage chambers made of 1.4301 stainless steel
- Pump housing EN-GJL-250
- Shaft 1.4057 stainless steel
- Gasket EPDM (EP 851)
- Housing cover made of 1.4301 stainless steel
- Housing bottom made of 1.4301 stainless steel
- Mechanical seal of B-carbon/tungsten carbide, SiC/carbon
- Pressure shroud made of 1.4301 stainless steel
- Bearing of tungsten carbide
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