MVI
Multistage in-line pump
• Non-self-priming, high pressure, vertical multistage centrifugal pump with inline connections.
• The MVI is equipped with cartridge mechanical seal which enables quick and easy maintenance.
• The spacer coupling allows the mechanical seal to be replaced without removing the motor.
• The MVI series is also available with variable frequency drive upon request.

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Request InformationWilo-MVI High-pressure Vertical Multistage Centrifugal Pump
Introducing the Wilo-MVI High-pressure Vertical Multistage Centrifugal Pump, an exceptional solution tailored for various demanding applications including pressure boosting, irrigation, industrial circulation systems, washing systems, and specialized process water tasks. Engineered with versatility in mind, this innovative multistage pump series spans a horsepower range from 1/3 to 100, delivering peak efficiency flows of up to 750 US gallons per minute, coupled with an impressive head capacity of up to 980 Ft.
Crafted from robust 304 stainless steel and offering elastomer and seal options of EPDM or Viton, the MVI ensures durability and reliability in operation. For heightened corrosion resistance, an option for 316 stainless steel construction is available upon request, albeit with extended lead times. Designed with serviceability in focus, the MVI incorporates a cartridge seal, facilitating swift and hassle-free maintenance procedures without necessitating motor detachment.
Versatility defines the MVI series, equipped with 300 class ANSI flanges and NEMA motor mounts, ensuring compatibility with a wide spectrum of building and industrial settings. Moreover, each pump in the MVI lineup boasts CSA certification and complies with NSF-372 and NSF-61 standards, making it suitable for a variety of domestic water applications.
The Wilo-MVI doesn't just meet industry demands; it exceeds them with a myriad of applications, from water supply and pressure boosting to industrial circulation systems, process water management, cooling water circulation systems, and washing tasks. Its robust design and versatile features make it an indispensable asset across diverse sectors.
Key features such as its non-self-priming design, high-pressure capabilities, and inline connections make the MVI series an exceptional choice for demanding applications. The inclusion of a cartridge mechanical seal not only ensures efficient performance but also simplifies maintenance, while the spacer coupling design allows for mechanical seal replacement without the need for motor removal.
Moreover, the MVI series can be tailored to specific requirements, with options for variable frequency drive available upon request. Technical specifications such as NSF/ANSI 372 and 61 certification, power connections ranging from 1115/230 V to 3 230/460/575 V, and a fluid temperature range determined by liquid type, underscore the pump's adaptability to diverse operational environments.
With an ambient temperature range of +32°F to +104°F and maximum operating pressures varying from 145 PSI to 435 PSI, depending on the number of stages, the MVI series offers unparalleled performance across a broad spectrum of conditions. Backed by ANSI Class flange connections and constructed from high-quality materials, including the option for 316 stainless steel, the Wilo-MVI stands as a pinnacle of reliability, efficiency, and adaptability in high-pressure vertical multistage centrifugal pumping solutions.

Design
Non-self-priming, high pressure, vertical multistage centrifugal pump with inline connectionsApplication
• Water supply and pressure boosting
• Industrial circulation systems
• Process water
• Cooling water circulation systems
• Washing systems
• Irrigation
Type key
Model Designation: | MVI-225-5/2-40 HP-324TSC-304-E-230/460~3 |
MVI | Vertical, high-pressure, multistage centrifugal pump, in-line design |
-250 | Pump gallons per minute ≤ BEP |
-5 | Number of pump stages at full diameter |
/2 | Number of pump stages at reduced diameter |
-40 | Horsepower |
-324TSC | NEMA Motor Frame Size |
-304 | Stainless Steel Type |
-E | EPDM(E) or Viton(V) |
-230/460 | Voltage |
-3 | Phase |
Technical data
• NSF/ANSI 372 and 61 certified
• Power connections:
• 1~115/230 V, 3~ 230/460/575 V
• Fluid temperature range: determined by liquid type
• Ambient temperature: +5°F to +104°F
• Max. operating pressure: 145 PSI, 232 PSI, 363 PSI and 435 PSI (Depending on number of stages)
• ANSI CLASS flanges connection
• 304 and 316 Stainless Steel Construction
