Trading and engineering company focusing on process pumps
Allweiler produces some of the world's most robust industrial hose pumps.
The pumps are primarily used for pumping lime and lime slurry in connection with flue gas cleaning at power plants and for pumping slurry concrete on concrete trucks. The pumps provide up to 15 bar pressure and are available in sizes 25-100 mm.
Hose pumps are ideal for dosing and pumping chemicals and are often used in demanding industrial applications. Hose pumps are also highly suitable for pumping food and handling, for example, egg whites, different types of fats, milk and yogurt and more. Other industries in the pharmaceutical field also use hose pumps to manufacture pharmaceutical products such as toothpaste, shampoo, soap and cream. In addition, hose pumps are also used in crafts for handling concrete, mud, paint and other high-viscosity media.
Hose pumps work by the pump rotor creating a vacuum as pressure shoes or rollers compress the hose. This causes the vacuum to pull the media into the hose, while the next pressure shoe or roller gently pushes the media further into the hose. There are several advantages to using hose pumps.
First of all, hose pumps are self-priming and can be used for many different media while the pump handles the media very gently. Another advantage is that the only wear part in the hose pump is the hose itself, which is easy and cheap to replace. So there are very low operating costs when using hose pumps.
Depending on your business needs, hose pumps are available in many different sizes. You can choose the small models, from smaller laboratory hose pumps to the very large hose pumps for large industrial production facilities. Whether your application requires high or low differential pressure can be different.
This determines whether you should choose a hose pump with pressure shoes or rollers. For example, hose pumps with pressure shoes can handle pressures up to 15 bar and hose pumps with rollers can handle pressures up to 8 bar. In addition, there are different materials for the hoses. What determines the choice of hose material for the pump is, among other things, the media you need to handle. Other relevant questions to ask to find the right hose material are the degree of viscosity, temperature, suction height, speed of the pump and so on.
Hose pumps are also called peristaltic pumps. In peristaltic pumping systems, the rollers for the hose are closed, trapping the fluid between two pressure rollers. As the hose pump rotates, the pumping system transports the fluid out through the other side. With repeated pumping pressure, the hose pump works efficiently and constantly. Another advantage is that the fluid or medium being pumped does not come into direct contact with the pump.
This makes the pump easy to keep clean. Hose pumps have various functional features such as the ability to run dry, and there are no valves that block or hang. At the same time, the hose pump prevents backflow, so there is no need for flushing or cleaning after use. You can easily switch the pump to new tasks without having to clean the pump between jobs. Hose pumps are available with 1 to 24 channels that can rotate both ways. The hose pump is also suitable for precise dosing. The precise dosing is controlled using micro-processes. There are several different types of hose pumps, from basic hose pumps to dosing hose pumps and industrial hose pumps.
