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 ...
Mass Flow Controllers(MFC) provide precise measurement and control of the mass flow of gases.
I. What is the difference between a MFC and a MFM?
Mass flow meter(MFM) is a kind of instrument that ...
Product Description
- Lithium Battery Rotary Vane Vacuum Pump is a fundamental equipment used for achieving vacuum through suction.
- It supports two power supply modes: DC 18V lithium battery a...
I. Mechanical pumps
The main function of the mechanical pump is to provide the necessary pre-stage vacuum for the start-up of the turbomolecular pump. Commonly used mechanical pumps include mainly ...
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...