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What is a rough vacuum system

What are the main uses of the crude vacuum system:


It is mainly used to extract air and other gases which are corrosive, insoluble in water and contain a small amount of solid particles. It is widely used in the vacuum evaporation, concentration, impregnation and drying process of food, textile, medicine and chemical industries. The pump has the characteristics of high vacuum, simple structure, convenient use, reliable operation and convenient maintenance.


It is mainly used in rough vacuum. In the process of large air extraction capacity. It is mainly used to extract air and other non-corrosive, insoluble in water, containing a small amount of solid particles of gas, in order to form a vacuum in closed containers. A small amount of liquid is allowed in the absorbed gas. It is widely used in machinery, pharmaceuticals, food, petrochemical and other industries.


It is one of the main vacuum equipments for obtaining rough vacuum. It is widely used in chemical, food, building materials and other sectors, especially in vacuum crystallization, drying, filtration, evaporation and other processes.


Oil-free (corrosion-resistant) vertical reciprocating vacuum pump is an updated product of horizontal vacuum pump and the main equipment for obtaining rough vacuum. The complete isolation of crankcase and cylinder is realized by using full sealing device, and advanced oil-free lubrication is realized by using self-lubricating material for piston rings. Because there is no sewage discharge, the vacuum pump is especially suitable for vacuum distillation, vacuum evaporation, vacuum drying, vacuum concentration and vacuum impregnation in chemical, pharmaceutical and food industries.

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