BS2F DVM 4 - 2-Pump Set - Fixed Speed
Vertical booster system with 2 DVM pumps designed for residential buildings and small commercial facilities.
By Residential Units, we mean a standard apartment consisting of a kitchen, bathroom, and laundry room, with 8 fixtures in total.
The BS2F DVM 4 system is a fixed-speed booster set with 2 DVM 4 vertical multistage pumps, developed to ensure stable pressure, continuity of service, and optimized energy consumption in civil and light commercial systems. The vertical configuration reduces overall footprint and facilitates installation.
P2
MAXIMUM FLOORS
HOMES
Fixed-speed booster set with 2 pumps
Configuration with 2 single-phase or three-phase vertical multistage pumps DVM 4
Total installed power per version:
4-9*4: 2 x 1.5 HP
4-9*6: 2 x 2 HP
4-9*8: 2 x 3 HP
Control via electrical panel with alternating and simultaneous operation
Stable pressure and continuous service even during peak demand periods
Suitable for buildings up to:
4-9*4: 4 floors and approx. 15 apartments (with 8 fixtures)
4-9*6: 9 floors and approx. 15 apartments (with 8 fixtures)
4-9*8: 14 floors and approx. 15 apartments (with 8 fixtures)
Pumps with compact vertical structure for installation in confined spaces
High-efficiency multistage impellers for high hydraulic performance
Corrosion-resistant components for a long operating life
System designed for clean water in residential and civil applications
Easy installation and low maintenance
Reliable solution for pressure boosting and water distribution systems
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Product limits and composition
Pumpable liquid
Fresh, clean water
Liquid temperature
+5° - + 40°C
Max Pressure
10 bar
Max Humidity
50% at 40°C
Max ambient temperature
+40°C
Motor Speed
2900 rpm (max)
Insulation Class
F
Protection
IP55
Impellers and diffusers
Technopolymer
Baseframe and structural steelwork
Painted steel
Manifolds
Galvanized steel
Fittings
AISI 304 stainless steel
Check valves
Brass
Shut-off valves
Chrome-plated brass
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Fixed speed provides a simple, robust, and cost-effective solution.
It is ideal for systems with fairly steady water demand, where continuous pressure modulation is not required. Compared to a variable speed system, it requires simpler management, features a less complex setup, and represents a reliable choice for standard pressurization applications.
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Two pumps allow for alternating operation, distributing operating hours, and better managing peak demand. In the event of higher demand, the second pump can come into operation; operational continuity is superior compared to a single-pump system.

All our products proudly bear the CE mark, a declaration attesting to compliance with the essential requirements of European health, safety, and environmental protection legislation. This certification guarantees that every pump has undergone rigorous assessments and complies with applicable EU directives. Choosing CE-marked equipment means choosing reliability, legal compliance, and peace of mind, whether for industrial, construction, or professional use.
Spare parts are always available and can be ordered through an intuitive and efficient system of cataloged diagrams, ensuring full compatibility with every machine. Contact us for assistance!
For our dealers, a telephone technical support service is available for any maintenance work.
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