Dry Screw Vacuum Pump
Dry screw vacuum pump is a positive displacement vacuum pump that can operate without the addition of vacuum pump oil. The two screw rotors rotate in opposite directions in a cylindrical chamber. The pumping medium enters through the air inlet and is trapped and transported in the chamber formed between the cylinder and the twin screws. Due to the rotation of the screw, the pumping medium is compressed and discharged through the exhaust port. No lubricant or working fluid is required in the compression chamber. The gap between the screw rotor and the chamber is very small that optimizes the internal sealing.
- Product Introduction
Dry screw vacuum pump is a vacuum device that uses a pair of screws to rotate synchronously at high speed in opposite directions in the pump housing to produce suction and exhaust. The two screws of this pump are finely balanced and supported by bearings and installed in the pump housing. There is a certain gap between the screws, so there is no friction between them when the pump is working that the operation is stable and low in noise. Because the working chamber does not require lubricating oil, the dry screw pump can extract gases containing a large amount of water vapor and a small amount of dust that consumes less power and has the advantages of energy saving and maintenance-free.
Dry screw vacuum pump has many characteristics. Its working chamber and screw rotor surface have anti-corrosion coating, which can adapt to harsh working conditions. The gas is not compressed in the pump that is suitable for extracting condensable gases. The pumped gas is directly discharged from the pump body, which does not pollute water and does not have environmental pressure and gas recovery is more convenient. This pump saves more than 90% of water and can even consume no water because the water temperature has little effect on the vacuum. There is no friction between the rotating parts of the pump and it can run at high speed. It can form an oil-free unit with Roots pumps and molecular pumps.
Oil-free operation makes the dry screw vacuum pump the ideal choice for applications that require a clean vacuum environment. It is suitable for industrial applications that require reliable and contamination-free extraction of gases and vapors. It is ideal for demanding processes such as photovoltaic cells, flat panel displays, semiconductor production and many industrial coating applications. If you require any further information, feel free to contact me.
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