Many people may see gas ballast in the instructions of some oil sealed vacuum pumps. For example, there may be two types of vacuum degree for rotary vane vacuum pumps: one is the value of gas balla...
This series of Roots-type vacuum pumps cannot be used alone. It needs to be used in series with the pre-stage vacuum pump to increase the pumping rate of the pre-stage vacuum pump when the pressure...
A vacuum pump is a device that generates, improves and maintains a vacuum in an enclosed space by various methods. A vacuum pump can be defined as a device or equipment that uses mechanical, physic...
As the golden autumn approaches, the global optoelectronics industry gears up for a grand gathering – the 25th China International Optoelectronics Exposition (CIOE 2024). Scheduled to take place f...
TRP Double stage rotary vane vacuum pump is one of the fundamental vacuum acquiring equipment in vacuum applications.which is widely used in scientific research and teaching the require high or low...
1. Flange connection
This is the most commonly used form of connection in valves. According to the shape of the joint surface, it can be divided into the following categories:
● Smooth type: it is ...