Dry variable pitch oil-free screw vacuum pump unit

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The development of various vacuum pumps is more and more affected by vacuum applications. The general vacuum system cannot meet the requirements of clean, oil-free and corrosion-resistant. Therefore, in recent years, the market demand for dry vacuum pumps is very large, and vacuum products have been updated. As a result, a large number of oil-based vacuum systems have been replaced by oil-free cleaning vacuum systems. Almost every large vacuum company abroad produces various types of dry vacuum pumps. Screw vacuum pumps are non-contact dry pumps and are an ideal type of pump that appeared in the early 1990s. Wide, simple and compact structure, no friction in the pumping cavity, long life, low energy consumption, no oil pollution and other advantages can be widely used

Classification：Customized vacuum unit

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The development of various vacuum pumps is more and more affected by vacuum applications. The general vacuum system cannot meet the requirements of clean, oil-free and corrosion-resistant. Therefore, in recent years, the market demand for dry vacuum pumps is very large, and vacuum products have been updated. As a result, a large number of oil-based vacuum systems have been replaced by oil-free cleaning vacuum systems. Almost every large vacuum company abroad produces various types of dry vacuum pumps. Screw vacuum pumps are non-contact dry pumps and are an ideal type of pump that appeared in the early 1990s. The advantages of wide, simple and compact structure, no friction in the pumping cavity elements, long life, low energy consumption, and no oil pollution can be widely used.

Due to its superior performance, dry screw vacuum pump has become a vacuum obtaining equipment in microelectronics, semiconductor, pharmaceutical, precision machining and other industries in Europe, America and Japan. On the basis of screw compressor, Japan has developed a multi-rotor type vacuum pump very early line and put it on the market. Several German vacuum equipment companies have also gradually developed constant-pitch and variable-pitch rotor profiles, and have done a lot of research on rotor and body cooling. Chinese enterprises also put the production of screw vacuum pumps into mass production in 2008, which have been well used in chemical and pharmaceutical industries.

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