SAER – Submersible pumps (series 12)

SAER 12″ submersible pumps are borehole electric pumps for wells with a nominal diameter of 12″ and for large water intakes. Flow up to 575 m³/h, head up to 384 m, motor power up to 300 kW at 50 Hz.

The series includes two semi-axial lines: S302 and VS12. The design of SAER borehole units and the materials used are described on the brand page: SAER.

What are the specifications of SAER 12″ pumps?

Parameter	S302	VS12
Impeller type	semi-axial	semi-axial, high efficiency
Max. flow, 50 Hz	575 m³/h	575 m³/h
Max. head, 50 Hz	384 m	384 m
Max. power	300 kW	300 kW
Materials	cast iron, stainless steel, bronze, Super Duplex	cast iron, stainless steel, Super Duplex

How do S302 and VS12 differ?

Both lines cover the same flow, head and power range. S302 has been tested in oil and gas, mining and offshore conditions. Its investment-cast components resist wear, and the bronze version suits sea water.

VS12 is the newer high-efficiency line. It is chosen when the pump runs many hours a year and electricity costs drive the cost of operation.

Both lines can be adapted to the application: the material is selected separately for the casing and for individual components.

Which versions and accessories are available?

horizontal installation on request;
PE+PA wound motor for variable frequency drive operation or hot water;
FPM seals for stainless steel versions;
cooling jacket, cables, control panels, PT100 sensors.

Where are SAER 12″ submersible pumps used?

Intakes for urban water supply, large-area irrigation, dewatering in mines and quarries, the marine sector, and auxiliary systems on offshore platforms.

How to select a SAER 12″ pump?

We need the flow and head at the duty point, the dynamic level, casing inner diameter or well dimensions, water composition and temperature, the duty cycle and the motor starting method. From the annual operating hours we assess whether VS12 is justified.

Steiner Ukraine selects the line, number of stages and motor, supplies the pump and spare parts and carries out installation and service. Other borehole series are listed under submersible pumps.