Rotary vane vacuum pump (referred to as rotary vane pump) is an oil-sealed mechanical vacuum pump. Its working pressure range is 101325 ~ 1.33 *10-2 (Pa) belongs to low vacuum pump. It can be used alone or as a front-stage pump of other high vacuum pumps or ultra-high vacuum pumps.
1, the rotary vane vacuum pump is used to remove the gas in a certain sealed container to get the basic equipment for a certain vacuum. Because of the high development of modern science and technology, the application of the vacuum pump is all over the fields of science and various enterprises and institutions, which can be used in metallurgy, chemical industry, light industry, petroleum, medical, pharmaceutical, and printing. Dyeing, electrical appliances, electric vacuum, semiconductor, food, atomic energy, textile and other scientific research institutions, colleges, industrial and mining enterprises for scientific research and production and teaching purposes.
2. Because the rotary vane vacuum pump is made of black metal and is more precise, the work of the whole pump is linked together, so the rotary vacuum pump is not suitable for removing high oxygen, poisonous, explosive, black metal and the chemical action of the vacuum oil, and it can not be compressed. The machine and the pump are used. If there is a pump with air-ballast device, the condensable vapor can be pumped out to a certain extent.
3. Rotary vane vacuum pump can be used to directly obtain vacuum below 10-3 torch vacuum operation, as well as with other vacuum operations.
4. Rotary vane vacuum pump is generally used at room temperature of not less than 5 C and relative temperature of not more than 90%.
Rotary vane vacuum pump can extract the dry gas from the sealed container. If it is equipped with a gas ballast device, it can also extract a certain amount of condensable gas. But it is not suitable for the extraction of oxygen-rich, corrosive to metals, chemical reactions to pump oil, and gas containing particulate dust.
Rotary vane vacuum pump is one of the most basic vacuum acquisition equipment in vacuum technology. The rotary pump is mostly small and medium pump. The rotary vane vacuum pump has two kinds of single and double stages. The so-called two-stage, is the structure of the two single-stage pump in series. Generally made into two-stage, in order to obtain a higher vacuum.
The relationship between the pumping speed and the inlet pressure is as follows: under the inlet pressure of 1333Pa, 1.33Pa and 1.33 * 10-1 (Pa), the pumping speed should not be less than 95%, 50% and 20% of the nominal pumping speed of the pump, respectively.
The rotary vane pump is mainly composed of pump body, rotor, rotary vane, end cover, spring, etc. A rotor is installed eccentrically in the cavity of the rotary pump, and the outer circle of the rotor is tangent to the surface of the pump (the two has a very small gap), and the two swirling pieces with springs are installed in the rotor slot. When rotating, the tip of the rotary blade keeps contact with the inner wall of the pump cavity by centrifugal force and spring tension, and the rotary rotor drives the rotary blade to slide along the inner wall of the pump cavity.
| Models | 2XZ -2C | 2XZ-4C | 2XZ-6C | 2XZ-8C | 2XZ-15C | 2XZ-25C | ||
| Pump speed | 50HZ (L/s) | 2 | 4 | 6 | 8 | 15 | 25 | |
| 60HZ (L/s) | 2.4 | 4.8 | 7.2 | 9.6 | 18 | 30 | ||
| 50HZ (m3/h) | 7.2 | 14 | 22 | 29 | 54 | 90 | ||
| 60HZ (m3/h) | 8.6 | 17 | 25 | 35 | 65 | 108 | ||
| Ultimate pressure(Pa) | Partial pressure | 6×10ˉ² | 6×10ˉ² | 5×10ˉ² | 5×10ˉ² | 5×10ˉ² | 5×10ˉ² | |
| Total pressure | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Rotary speed(r/min) | 50HZ | 1400 | 1400 | 1400 | 1400 | 1400 | 1400 | |
| 60HZ | 1720 | 1720 | 1720 | 1720 | 1720 | 1720 | ||
| Motor power(Kw) | 0.37 | 0.55 | 0.75 | 1.1 | 1.5 | 3.0 | ||
| Working voltage(v) | 220/380 | 220/380 | 380 | 380 | 380 | 380 | ||
| InletDiam(mm) | I.D. | KF-25 | KF-25 | KF-25 | KF-40 | KF-40 | KF-40 | |
| O.D. | ||||||||
| Dimensions(mm) | Length | 480 | 520 | 545 | 616 | 705 | 830 | |
| Width | 150 | 150 | 172 | 255 | 255 | 275 | ||
| Height | 200 | 200 | 285 | 360 | 360 | 440 | ||
| Noise(dBA) | 65 | 65 | 68 | 70 | 70 | 72 | ||
| Oil capacity (L) | 0.8 | 1 | 1.5 | 3 | 3.5 | 4 | ||
| G.W./N.W. (kg) | 22/20 | 26/22 | 55/46 | 70/60 | 86/75 | 105/85 | ||
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