Vacuum pumps use mechanical, physical, chemical, physical and chemical methods to pump containers to obtain and maintain vacuum. Vacuum pumps and other equipment (such as vacuum vessels, vacuum valves, vacuum measuring instruments, connecting pipes, etc.) form a vacuum system and are widely used in electronics, metallurgy, chemical, food, machinery, medicine, aerospace and other departments.
According to their working principle, basically divided into gas delivery pump and gas capture pump two types.
Fan Fan is to rely on the input of mechanical energy, increase gas pressure and send gas machine, it is a kind of driven fluid machinery.
Ventilators are widely used in ventilation, drainage and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draft in boilers and industrial furnaces; cooling in air conditioning and domestic appliances and Ventilation; grain drying and selection; wind tunnel source and hovercraft inflatable and propulsionWedge Wire Screen
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