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 ...
The quality of vacuum pump oil depends on the viscosity and vacuum degree, and the vacuum degree depends on the value at different temperatures. The higher the temperature is, the more stable the v...
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...
The helium mass spectrometer leak detector is based on mass spectrometry technology and employs the helium tracer method for leak detection. Due to its high precision and reliability, it has become...
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...
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...