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High pressure glandless pumps MVIS

MVIS
  • Conditional pass: Rp 1 to Rp 1 1/2.
  • Consumption: up to 14 m³/hour.
  • Head: up to 110 m.
  • Temperature: from -10 °С to +50 °С.
  • Operating pressure: Max. 16 bar.

Low noise level (20 dB [A] lower than conventional pumps)

Design /execution

  • in-line multistage centrifugal vertical pump made of stainless steel;
  • maintenance-free glandless pump;
  • the quietest pump for increasing pressure (noise level about 40 dB (A);
  • three-phase (DM) current motors;
  • pump material: stainless steel 1.4301;
  • oval counter flanges are included in the scope of delivery.

Features and benefits of glandless pumps Wilo-Multivert MVIS

  • low noise level (20 dB [A] lower than for conventional pumps) comparative noise scale;
  • all parts of the pump in contact with the pumped liquid are resistant to corrosion;
  • wet rotor technology;
  • all major parts of the pump are KTW and WRAS approved.

Main technical characteristics

  • mains connection: 3 ~ 230 V /50 Hz (D), 220 V /60 Hz (D), 400 V /50 Hz (Y) or 380 V /60 Hz (Y);
  • temperature of the pumped-over liquid: from -15 to + 50 ° C;
  • working pressure: 16 bar;
  • delivery head: 6 bar;
  • type of protection: IP 44;
  • nominal internal diameters of the branch pipes depending on the type Rp 1, Rp 1 1/4 or Rp 1 1/2.

Symbols

Example: MVIS 402-1/16/E/3-400-50-2

  • MVIS - Multistage high-pressure centrifugal pump with glandless rotor vertical execution;
  • 4 - Consumption in m³/h;
  • 02 - Number of impellers;
  • 1 - Material AISI 304;
  • 16 - Nominal pressure in bar;
  • K - Type of sealing EPDM;
  • 3 - 3=3 ~ (three-phase current);
  • 400 - Connected voltage in V;
  • 50 - Frequency in Hz;
  • 2 - Number of poles.

Features

  • impeller made of stainless steel 1.4301;
  • sections made of stainless steel 1.4301;
  • pump body made of stainless steel 1.4301;
  • shaft made of stainless steel 1.4122;
  • seal made of EPDM (EP 851);
  • lower part of the body made of stainless steel 1.4301;
  • pressure casing made of stainless steel 1.4301;
  • bearings made of graphite impregnated with synthetic resin;
  • pump base EN-GJL-250.

Performance characteristics

Performance charts
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