Molecular pump is a kind of high-speed rotating momentum-type vacuum acquisition equipment. In the molecular flow state, gas molecules collide with high-speed moving surfaces to obtain momentum in a certain direction, so that the gas molecules are compressed step by step and finally removed. The working pressure range is usually between 10-1Pa~10-7Pa, which is an important vacuum equipment to achieve high vacuum and ultra-high vacuum.
Molecular pumps generally have two structural forms, one is a turbomolecular pump composed of dynamic and static blades, and the other is a composite molecular pump composed of a turbine stage and a traction stage. The characteristic of the composite molecular pump is that the pumping speed of the high-pressure zone of the molecular pump has been improved, and the outlet withstand pressure has also been improved, which can appropriately reduce the specifications of the pre-stage pump and save investment.
According to the different bearing lubrication methods, molecular pumps have two types of oil lubrication and grease lubrication. Under normal circumstances, the oil-lubricated molecular pump can only be installed vertically, and the grease-lubricated molecular pump can be installed at any angle.
The new generation of composite grease-lubricated molecular pump products launched by Suzhou Keruida are completely designed and optimized for industrial vacuum and scientific research fields. According to the air inlet diameter, there are mainly 100mm, 160mm, 200mm, 250mm and other mainstream application products, the pumping speed ranges from 110L/s to 2000L/s.The scope of s covers a total of 11 product types in 4 categories.

Fast start-up speed, wide working range, low operating power consumption, high cleanliness, simple maintenance and operation；
Precision bearings: grease-lubricated precision ceramic ball bearings, which can be installed at any angle；
Reliable products: integrated processing and molding of turbine rotors, high-speed motor drive；
Diverse functions: complete accessories, customized solutions can be provided；
Adjustable speed: to meet the needs of customers for a variety of pumping speeds；

Suitable for industrial coatings such as PVD, CVD, LCD flat panel, glass coating, optical coating, conductive glass, etc.；
Mass spectrometry, high-energy physics, vacuum degassing, vacuum leak detection, vacuum metallurgy, electric vacuum devices；
Semiconductor, photovoltaic solar cell manufacturing, and other fields of vacuum technology；
Scientific research fields such as medicine and biological engineering, environmental simulation, etc.；