Vacuum pump is the use of mechanical, physical, chemical or physical and chemical methods of pumping the container was evacuated to obtain the vacuum device or equipment, has been in the petroleum, chemical, electric power, textile, paper, medicine Other fields play an important role. However, because consumers in the purchase process due to the lack of relevant technical knowledge and professional guidance, often overwhelmed, and the purchase of the vacuum pump is not so satisfactory. Therefore, understanding of the selection of vacuum pump related knowledge is particularly important. Selection of the full selection of vacuum pump vacuum pump selection should consider the following factors: 1, the process requirements to achieve the degree of vacuum Vacuum process requirements 100pa (absolute pressure) of the vacuum, the choice of vacuum pump vacuum at least 50pa-10pa. 2, the process requirements of the amount of pumping (pumping rate) vacuum pump pumping speed requirements (that is required vacuum pump at its working pressure, the ability to discharge gas, liquid, solid), the general unit: m3 / h, L / S, m3 / min. 3, to determine the composition of the body to be drawn to determine the composition of the material being drawn, mainly from the object medium, pH, whether the rubber or oil contamination, noise, vibration and other aspects of consideration. In summary, the real purchase of the vacuum pump should still consider the quality of equipment, transportation and maintenance and repair costs. As the saying goes, shop around, the best way to buy should also consider the vacuum pump brand and many other factors. Hope that the above information will help your purchase. This article is copyrighted industry interconnect (Xiamen) Co., Ltd. All are welcome to reprint, please indicate the source and author of: Asian pumps Network Editor: Zeng Fenfen (QQ / micro letter: 2355962927) starting: http: //beng.liuti.cn / (Service Hotline: 400-6030-811)