Wilo-Multivert MVI

Your advantages

• Corrosion-resistant impellers, diffusors and stage housings
• Drinking water approval for all components that come in contact with the fluid (EPDM version)

Construction

Non-self-priming, multistage high-pressure centrifugal pump in vertical design with in-line connections.

Application

• Water supply and pressure boosting
• Fire extinguishing 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

Scope of delivery

• MVI high-pressure multistage centrifugal pump
• Installation and operating instructions

Type key

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 (AISI 316)
• Stage chambers made of 1.4301 (AISI 304) stainless steel
• Pump housing made of cataphoretic-coated grey cast iron EN-GJL 250
• Shaft 1.4057 (AISI 431) stainless steel
• Gasket EPDM
• Housing cover made of 1.4301 (AISI 304) stainless steel
• Housing bottom made of 1.4301 (AISI 304) stainless steel
• Mechanical seal of B-carbon/tungsten carbide, SiC/carbon
• Pressure shroud made of 1.4301 (AISI 304) stainless steel
• Bearing of tungsten carbide