Your advantages

• Glandless pump technology
• Virtually noiseless operation (up to 20 dB [A] quieter than conventional pumps)
• Space-saving, compact design
• Virtually maintenance free thanks to a design which does not feature any mechanical seals
• Drinking water approval for all components that come in contact with the fluid (EPDM version)

Construction
Non-self-priming multistage pump with glandless pump motor.

Application

• Water supply and pressure boosting systems

Equipment/function

• Non self-priming vertical high-pressure multistage centrifugal pump of in-line design
• Three-phase current motor in glandless pump version
• Hydraulic connection with oval flanges PN 16

Scope of delivery

• Wilo-Multivert MVIS high-pressure multistage centrifugal pump
• Stainless steel counter flanges Rp 1 to Rp 1½ with the corresponding screws, nuts and gaskets
• Installation and operating instructions

Technical data

• Mains connection 3~ 230 V (±10%), 50 Hz (Δ), 400 V (±10%), 50 Hz (Y)
• Fluid temperature of -15 to +50 °C
• Ambient temperature of -15 to +40 °C
• Max. operating pressure 16 bar
• Max. inlet pressure 10 bar
• Protection class IP44
• Nominal diameters of pipe connections Rp 1, Rp 1¼ or Rp 1½, depending on the version

Materials

• Impellers made of 1.4301 (AISI304) stainless steel
• Stage chambers made of 1.4301 (AISI304) stainless steel
• Pump housing made of 1.4301 (AISI304) stainless steel
• Shaft 1.4122 stainless steel
• EPDM seal
• Housing lower section made of 1.4301 (AISI304) stainless steel
• Pressure shroud made of 1.4301 (AISI304) stainless steel
• Pump support foot made of EN-GJL-250