The most important type of vacuum pump selection is the determination of the type of pump. The type of pump is mainly determined by the amount of gas, vacuum, or exhaust pressure required for operation. When the pump is operating, operation at or near the maximum vacuum pressure should be avoided.
Submerged pump seal also known as the mechanical seal, which has a pair of perpendicular to the axis of rotation of the end surface of the submerged pump in the fluid pressure and compensate mechanical external elastic force under the effect of submerged pump rely on secondary seal with the other e
Frequent anomalies often occur in flotation operations. The causes of these phenomena are also complex and often not entirely due to one factor. For the convenience of reference, various common anomalies, causes and adjustment methods are listed. See Table 1. Table 1 Abnormal phenomena commonly fo
Wuhan Urban Management "sale Meng enforcement" system warned not to listen to advice will be forced to implement diesel generator | Diesel Generator Price / 2012-05-22 On the evening of the 20th, at the intersection of Nanjing Road and Xiangyang Street in Hankou, the scene of â€
Since 2010, Dongguan City has been vigorously cultivating specialty industries such as auto parts, and has achieved certain results in the implementation of industrial investment promotion. The utilization of foreign capital has shown a good development trend. From January to October, the