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...
The rotary vane vacuum pump is an oil-sealed mechanical vacuum pump and is one of the most basic vacuum-acquiring devices in vacuum technology.
The rotary vane vacuum pump can pump out dry gases in...
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...
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...
Edwards has expanded its range of nEXT turbomolecular pumps with two larger models that provide faster pumping performance and excellent compression ratios for longer cycle times and lower ultimate...
Trucks appear at a container terminal in the port of Qingdao in China’s Shandong province on April 28, 2021, after the tanker A Symphony and the bulk carrier Sea Justice collided outside the ...