High Pressure Centrifugal Pumps

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32 High Pressure Centrifugal Pumps Standard Pumps E.& O.E. – Subject to change without prior notice
High Pressure Centrifugal Pumps Standard Pumps Wilo-Multivert MVI Non self-priming pumps Identification Code E.g.: Wilo-MVI 1608 MVI Multistage Vertical centrifugal pump directly close coupled to a flange mounted electric motor. All hydraulic parts are of Inox *) (stainless steel) 16 Rated flow Q [m3 /h] 08 No. of stages *) Standard design with electrophoretical coated cast iron pump base (see Construction Materials) Application Pump suitable for water supply and pressure boosting duties, fire services, boiler feed, industrial circulating systems, process engineering, cooling water systems, pressure cleaning and sprinkler systems. Technical Data Approved fluids Potable water Heating/Domestic hot and cold water Condensate Water/glycol mixtures up to 40% glycol and other low viscosity non-abrasive fluids or fibrous contents as far as they do not act aggressive to the given pump materials Performance on 60Hz operation MVI 16 / MVI 32 / MVI 52 Max.flowrate 2-pole [m3 /h] 30 / 56 / 85 Max.head 2-pole [m] 251 / 188 / 147 Max.flowrate 4-pole [m3 /h] 15 / 30 / 45 Max.head 4-pole [m] 83 / 78 / 56 Fluid temperature [°C] – 15 to + 120 Rated speed 2-pole [rpm] 3500 Rated speed 4-pole [rpm] 1750 Max.ambient temp. [°C] + 40 Max.working pressure [bar] 16 / 25 Max.inlet pressure [bar] 10 H [m] � 260 240 220 200 180 160 140 120 100 80 60 40 MVI 16.. MVI 16.. Wilo-Multivert MVI – Series 16../32../52.. Duty Chart Wilo-Multivert MVI 16../32../52.. 60 Hz 2-pole, 4-pole 20 0 0 10 20 30 40 50 60 70 80 90 [m3 MVI 32.. MVI 52.. /h] Motor data 0 5 10 15 20 25 Q � E.& O.E. – Subject to change without prior notice Wilo-Multivert-MVI 33 MVI 32.. Degree of protection IP 55 Insulation class F Construction Materials Pump base cast iron** / SS AISI 316L Diffusers SS AISI 304 / 316L Pressure casing SS AISI 304 / 316L Shaft SS AISI 316L. Seals EPDM/Viton Mech.seal Tungstencarbide/carbon ** Cataphoresic coating 40 µm on series 16../32.. Design Multistage non self-priming vertical high pressure centrifugal pump of Inline design, PN 16/25 with equally sized suction and discharge ports. Stage construction with stainless steel impellers, diffusers and pressure casing. Pump stub shaft and motor spindle of the IEC-standards motor are directly close coupled. A separate stool mounted roller bearing serves to balance the axial forces so that any make of IEC-standard motor (mounting frames V 1 or V 18) can be used. Maintenance-free, bi-directional mechanical seal. All relevant parts suitable to handle food-compatible fluids. Motor / Electric Wiring IEC-standards threephase motor, enclosure IP 55, insulation class F, V18 frame up to size 5.5 kW, V1 frame for 7.5kW and larger. Up to 4 kW 220–254 V∆ and 380– 440 VY/60 Hz. 5.5 kW and larger 380–440 V∆ /60 Hz. Permissible voltage tolerance ± 10%. MVI 52.. Scope of Supply [l/s] Pump complete with packing and O&M manual. Mating flanges are not part of supply. Wiring Diagram Mains power: Three phase up to 4 kW W2 U1 L1 W2 U1 L1 U2 V1 L2 5.5 kW and above DOL starting W2 U1 V1 W1 Y∆ starting L1 L1 3 ~ 380 V W2 U1 U2 U2 V1 L2 L2 L2 U2 V1 V2 V2 W1 V2 W1 L3 L3 L3 V2 W1 L3 3 ~ 380 V 3 ~ 220 V 3 ~ 220 V
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WILO AG Worldwide � Production Si
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High Pressure Centrifugal Pumps

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