Over 200 models to meet every residential, civil, industrial and construction site need. Maximum reliability, flexibility and technical support.
The drainage of wastewater, stormwater or process water is a key operation in a wide range of contexts: civil installations, construction sites, industries, mines and even residential buildings. This is why drainage submersible pumps cannot be all the same, because each application has its own specific critical issues.
Flood-prone residential areas require lightweight, compact, and easy-to-handle pumps, ideal for quick and versatile interventions.
Civil plants, on the other hand, demand reliable equipment designed to ensure long-term operational continuity and durability.
Construction sites and mines expose pumps to abrasive materials and harsh environmental conditions, requiring superior robustness.
Finally, in industrial environments, pumps must ensure high performance even in the presence of aggressive or corrosive liquids.
To address all these challenges, Caprari has developed and manufactured a comprehensive and extremely wide range of submersible pumps. The D and M series include over 200 models, engineered to cover the full spectrum of drainage needs. This allows customers to select the most suitable model, taking into account all the different factors and selecting dimensions and technical requirements in line with the characteristics of the liquid to be drained and the performance required by the operating context.
A wide range of drainage pumps to always hit the Best Efficiency Point (BEP)
The breadth of the range is reflected in the wide choice of sizes and motor powers, with models reaching up to 22 kW and DN 150.
Flow rate and head vary significantly depending on the application—especially in civil, construction and mining contexts, where large volumes of water often need to be lifted to considerable heights.
Caprari drainage pumps are able to meet any application scenario, with heads up to 60 m and flows up to 90 l/s.
Such diversity allows for precise selection of the pump so that the working point of the system is as close as possible to the Best Efficiency Point (BEP).
Operating near the BEP optimizes hydraulic performance, reduces energy consumption, minimizes component wear, and prevents harmful phenomena such as cavitation, ultimately enhancing plant reliability and sustainability.
Custom metallurgical configurations for every operating condition
Caprari’s drainage pump range pays great attention to metallurgical configurations. Each pump is designed to offer the optimal balance between mechanical strength and hydraulic performance through the best material combination for the specific application:
- High-strength cast iron for civil use and stormwater;
- Cast iron and stainless steel for robust structural strength with corrosion-resistant components;
- Cast iron and aluminium for lightweight yet durable solutions;
- Noryl and stainless steel for compact applications and clean or slightly contaminated water;
- Full stainless steel for corrosive liquids, industrial wastewater, chemically aggressive environments or contexts requiring high hygiene standards.
This construction flexibility allows the most suitable model to be selected in every situation, minimizing wear, downtime and maintenance, even in the most demanding operational conditions.
Solids and fibres threaten operational continuity? The impeller makes the difference
In drainage applications, it’s not enough to know the flow or head: understanding the nature of the fluid is crucial, as it directly impacts both material selection and hydraulic configuration.
Corrosive liquids require resistant materials, but another key factor is the presence of solids or fibrous substances in suspension. Dirty and loaded liquids — such as civil wastewater, construction water or industrial discharge — demand specific impeller designs to avoid clogging.
Caprari’s D and M series drainage pumps include multiple impeller types: vortex, grinding, single-channel, double-channel, and centrifugal.
This variety enables the selection of the most suitable solution by balancing hydraulic efficiency and anti-clogging performance, ensuring robustness and continuity in any scenario.
- Centrifugal, single- and double-channel, and grinding impellers are suitable for clean or lightly loaded liquids;
- Vortex impellers are ideal for liquids with fibrous, abrasive or large solid content—although they offer lower efficiency, they ensure better reliability;
- For demanding applications, grinder models are also available, designed to break solids down before they enter the hydraulic path of the pump.
Solid construction, maximum protection, and system adaptability
Every structural detail of Caprari drainage pumps is designed to deliver reliable performance, even in the harshest conditions.
- A double mechanical seal with an oil chamber provides optimal sealing and protection from leaks.
- SiC/SiC mechanical seals (as standard) ensure maximum resistance to corrosion and abrasion—ideal for industrial, mining and construction settings.
- The F-class motor, equipped with thermal sensors, prevents overheating and allows safe operation in high ambient temperatures or poorly ventilated installations.
- The IP68 protection rating makes the pumps fully suitable for continuous submerged operation.
Installation flexibility is another strength. D and M series pumps are available in various configurations, with flanged or threaded outlets, suitable for both fixed and portable setups.
Some models are particularly compact, making them ideal for mobile interventions where lightness and durability are key—such as on job sites where the pump must be moved often and endure impacts, debris, and intense usage.
Caprari pumps are also optimized for energy savings, thanks to hydraulic profiles specifically designed to maximize efficiency in fluid handling—delivering long-term benefits especially in continuous duty installations.
Why choose Caprari for drainage
Caprari D-M series drainage pumps are professional-grade solutions designed for durability, even in harsh and demanding environments.
Beyond materials and technology, Caprari offers complete and reliable support, from product selection consultancy to after-sales service.
The availability of products with short delivery times, together with fast spare parts supply thanks to a widespread distribution network, is an essential asset for those who cannot afford downtime or delays.
