A few decades ago, a process engineer needed to consider only some factors when selecting a pump for a process that needs a vacuum. They were the cost, the experience of the manufacturer, the reliability of the equipment, and the vacuum level. However, today, many other factors have to be considered in addition to those mentioned. This is because as processes become more complicated, more complications have also arisen. Whether you are looking for a rotary vacuum pump or a screw vacuum pump, you would most likely encounter a number of concerns.
One of the biggest concerns has something to do with the regulations or what they refer to as effluent considerations. Another matter is on energy requirements and ways to reduce consumption as well as the pump’s potential for recovery of solvents or recycling of materials removed from the process stream. The two important ones also include the accuracy of vacuum control and flexibility of either adding or reducing capacity. In order to satisfy all these requirements, you will have to choose from a wide variety of vacuum pump technologies. These include a claw vacuum pump, screw vacuum pump, liquid ring vacuum pump, rotary piston or rotary vacuum pump.
If you are into chemical and pharmaceutical applications, choosing among the various vacuum pumps can be a bit more difficult. Luckily, knowing some insights would help you decide easily and properly. First, do know that the vacuum technology you select should be able to provide the required pumping speed at operating pressure, ensuring the needed pump downtime. Next, the rotary vacuum pump or any other type of pump has to satisfy the environmental regulations. And of course, you also have to factor in both economic efficiency and the reliability of the machine you choose. If these aspects bring a headache for you, consult an expert to help guide your decision, giving you a vacuum pumping system that’s perfectly suited to your needs.
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