Though a rotary tooth compressor and a claw pump do different processes, their working principles are quite the same. Because claw vacuum pumps do not require liquids to lubricate and seal the device, they are very capable of handling challenging operating conditions and are very durable. Same as how a rotary tooth pump works, a claw pump consists of two counter-rotating elements to produce the expansion and compression needed. These rotors have very minimal clearance between each claw and are mounted very close to each other without getting contacted.
It is the claws that suck in the air through the inlet as they spin inside the pump’s housing. During each full rotation of the claws, two compression cycles are created. In every new intake of the air, the vacuum pump compresses a new pocket of air. The use of a claw pump is very ideal for applications wherein increased process compatibility and low maintenance is very important. It’s most ideal to utilize in applications where harsh working conditions are a challenge such as in the case of wastewater treatment facilities.
More importantly, the pump can be incorporated into multiple-claw systems, it can be used to meet even the most unique requirements. In addition to being robust, the application of a dry claw pump also decreases the possibility of condensation and contamination of the compressed vapour. The higher the operating temperature inherent in the application of the pump means the better its ability to process vapours with higher temperature, too. Likewise, the pump offers positive water vapour pumping qualities, making it work more efficient than a comparable rotary vane pump.
Overall, it is very important to note that the higher operating temperatures often need the purge of pump bearings and seals to prevent the failure caused by heat produced during the compression process. Ultimately, the utilization of a claw pump will help save you on energy costs.
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