D series with PV control

Series D with PV control – Pulley
Vertical axis pumps for boreholes D PV
6 “, 8”, 10 “well pumps and electric pumps

1. Delivery base
2. Driving shaft
3. Bevel gear pair
4. Power takeoff shaft
5. Cooling coil
6. Lubrication circuit
7. Line shaft
8. Body pump
9. Impeller
10. Pump shaft
11. Foot valve
12. Strainer


These drive units are characterized by a simple construction and are equipped with a sheave with “V” driving belts or with a smooth pulley with smooth driving belts.
According to the different models, lubrication is made with grease or with oil. Like all other versions, these drive units are provided with a device against the reversal of rotation, and with a suitably dimensioned thrust bearing to ensure a high level of safety with all axial loads.

Made up of a series of modular stages, they are provided with a fi tting for the upper pipe and normally with a foot valve flanged to a suction rose in galvanized steel which prevents the foreign matter from getting into the suction system. The pump bodies and the valve body are made in fine- grained gray iron, the impellers with semiaxial flow and dynamically balanced, are available in cast iron or in bronze on reques.; the pump shaft guided by wearproof rubber bearings, is in hard-chromed carbon steel or in stainless steel on request.

It is formed by a rising steel pipe with double flanged trunks whose standard length is 3 Mt. It makes it possible for the pump to be positioned in depth and to convey water. Driving is performed by rods guided on each end by wearproof rubber bearings which keep a perfect alignment of the driving axle in all installation depth. Near each rubber bearing, the rods are protected by hard-chromed wear brass bushes. The threaded connection sleeves and the rods are made in carbon steel or in stainless steel on request. The rubber bearings are arranged in the middle of a cast iron support placed between the pipe flanges.

Deep water lifting. Installation in boreholes or in the open. Irrigation systems, water systems, industrial and fire-fighting systems.

Mechanically and chemically non-aggressive fresh water lifting according to the materials normally used in production.
Max. water temperature: 40° C. Maximum water hardness: 40 g / m³.
Installation depth: up to 120 mt., in standard execution.

Tech sheet




Spare parts