BOWAH is a specialist manufacturer/exporter of vacuum products based in China. We have our own factory producing vacuum products. We also have a carefully selected small group of partner factories mostly located in the Zhejiang and Guangdong area that we work with to be able to offer a much wider and more complete range of vacuum products.
how to detect leaks in a vacuum system?
Leak Detection in Vacuum System Equipment is to follow the processing technology (especially the welding process) to carry out leak detection on the semi-finished parts in time and to detect leaks in the process of vacuum system equipment installation.
How to choose a backing pump for a roots pump?
This compression ratio determines the capacity of the backing pump because the compression ratio is inversely proportional to the pumping speed of the two pumps. Generally, the compression ratio is selected within 2~10.
How diamonds are grown in a vacuum?
The production technologies for growing diamonds mainly include HPHT (High-Pressure High Temperature) method and CVD (Chemical Vapor Deposition) method, and the cultivation time is about half a month to one month.
How to choose a vacuum pump？
1. The selected vacuum pump must be able to extract the gas released during the process. 2. The ultimate vacuum degree of the selected main pump must be higher than the vacuum degree required by the pumped container.
what is a turbomolecular pump?
The turbomolecular pump was first invented in 1957, and companies in various countries have put their products on the market and have been developed and popularized.
What is a vacuum bellows?
Vacuum bellows refer to an axisymmetric tubular shell, and its busbar is in a corrugated shape and has a certain bendability, so it is also called a flexible pipe.
How does a scroll vacuum pump work?
The dry scroll vacuum pump working principle is the meshing motion of the movable scroll and the stationary scroll to realize the suction, compression, and discharge of the gas, and complete the exhaust process.
Types of Vacuum Pumps
A vacuum pump refers to a device or equipment that uses mechanical, physical, chemical, or physical-chemical methods to evacuate the pumped container to obtain a vacuum.