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Design and trade

Customized pump solutions

Technical planning for the perfect pump selection

The correct design, technical planning and dimensioning of the pump is crucial for the functionality and efficiency of your system.

We make sure that you receive the right product for your funding issue. Regardless of whether you want to pump low viscosities below 1 mPa*s or viscous fluids up to 1 million mPa*s; whether you want to pump pure aggressive chemicals or abrasive fluids containing solids.

We will be happy to advise you on the selection of the optimum pump system.

Typical pump types include the following designs…

3D rendering of an open chemical standard pump

Standardized chemical pumps

Standardized chemical pumps are hydrodynamic centrifugal pumps whose dimensions and hydraulic performance are standardized in accordance with ISO 2858 and ISO 5199 (see standard pump). This means that these pumps can be compared and replaced at any time, regardless of the manufacturer, without increased effort.

Illustration of a self-priming centrifugal pump

Self-priming centrifugal pumps

Self-priming centrifugal pumps are very widely used centrifugal pumps with generally half-open radial impellers for pumping fluids containing solids (e.g. waste water) from deeper tanks, e.g. collecting or sedimentation tanks.

Illustration of a normally priming centrifugal pump

Normal (flooded) priming centrifugal pumps

Normally (flooded) primed centrifugal pumps are generally used for pure media, e.g. water with no or low solids content, to transport relatively large flow rates “Q” compared to the delivery head/pressure “H”.

Illustration of an internal gear pump

Internal gear pumps

Internal gear pumps are rotating positive displacement pumps.

The liquid is conveyed by two gear wheels, also known as a rotor and pinion, which are separated from each other by a divider and whose rotation causes the liquid to be displaced. The result is low-pulsation, uniform delivery of fluids up to 100,000 mPa*s.

Illustration of a submersible pump

Submersible pumps

Submersible pumps are widely used for pumping out surface water. There are different characteristics for clear water, waste water, sewage, sludge and silt. The design principles vary depending on the solids content and specific weight.

Illustration of a progressive cavity pump

Progressing cavity pumps

belong to the group of rotary positive displacement pumps. The main parts are a rotating part, the rotor, and a stationary part, the stator.

The progressive cavity pump can be used to convey a wide variety of media gently and with low pulsation. The spectrum of media ranges from water to highly viscous fluids with 3 million mPa*s.

 

3D rendering of a screw pump

Screw pumps

Screw pumps (also known as screw, spiral piston or screw compressors) are rotating positive displacement pumps in which the shape of the rotors resembles that of a spindle screw. They are helical gear pump variants and are screw compressors.
The range of applications is very broad and extends from hygienic areas of the food, beverage, pharmaceutical and cosmetics industries to oil, biogas, shipping, power generation, chemicals and the process industry up to 1 million mPa*s.

 

Illustration of a peristaltic pump

Peristaltic pumps

The basic principle is based on the human “peristalsis”. An elastic tube is compressed lengthwise by rollers, which pushes the contents further. After the roll, the hose opens again. The resulting pressure drop continuously draws liquid into the hose.

This results in a gentle pumping process that does not damage the product. Contamination of the fluid by can be ruled out, as the fluid only comes into contact with one component, the hose.

Illustration of a self-priming centrifugal pump or centrifugal pump

Dry-installed drainage systems

Dry-installed dewatering systems are used for mobile (partly autonomous) applications in mining and quarries, in municipalities, industry, public buildings, for flood protection and in the vacuum lowering process for the removal of surface water containing solids and foreign matter with a ball passage of up to 76 mm.

These different types of industrial pumps are selected and purchased according to the specific requirements of the industry and application areas.

The right industrial pump for you

Pump selection for your systems

Our VARISCO product portfolio ranges from self-priming centrifugal pumps for liquids with solids content of up to 70mm, to peristaltic and diaphragm pumps, to internal and external gear pumps for highly viscous fluids up to 100,000cSt. A large selection of explosion-proof pumps is also available.

Are you unsure whether VARISCO has the right solution for your application? Do you need the right frequency inverter to exploit energy-saving potential? Or would you like to better understand the maintenance costs? We will be happy to advise you. HEMPEL, pump technicians and certified energy consultants for pumps and pump systems, will be happy to assist you. Do not hesitate to call us or use one of our forms – depending on your request

The best selection for every application

Our brand products

 

We are happy to work with the best producers in the industry and can therefore offer you the highest possible quality.

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Series at a glance

Frank Beilstein, Bereichsleiter der Pumpentechnik

We are at your service!

Your contact for pump technology

If you have any questions about our products, please contact Mr Frank Beilstein.

 

Frank Beilstein

Bereichsleiter Pumpentechnik