Rotary vane vacuum pumps are used as oil sealed pumps most of the time. During the use, some oil and gas will be expelled together with the pumped gas, resulting in oil spray. Therefore, rotary van...
High vacuum manual angle valves, swith manual rotation of the handle to drive the opening and closing of the valve plate. with the advantages of smooth action, small size, reliable use, good sealin...
A viewport is a window component mounted on the wall of a vacuum chamber through which various light and electromagnetic waves, such as ultraviolet, visible and infrared, can be transmitted. In vac...
I. Introduction of valve
Vacuum valve is a vacuum system component used to change the direction of airflow, adjust the size of gas flow, cut off or connect the pipeline in the vacuum system. The c...
The Chinese government has spent $14.84 billion on green building projects as it focuses more on reducing building pollution.
It also spent $787 million on green building materials for specially de...
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 ...