Product Description：
This series of pumps are elementary equipment for pumping air from sealed vassels. It can be used alone, also can be used as the forepump, process pump or titanium pump of booster pump, diffusion pump, and molecular pump. The pumps are also used in making electrical vacuum cases, vacuum jointing, printing, photoengraving, food packaging, vacuum forming, refrigeration equipment repair and instruments or a set of equipments in laboratory, It is widely used in aerospace, semiconductor , coating , food packaging ,drying machines, refrigeration equipment, scientific research, medical treatment, electronics, chemicals, medicine and laboratory or labouratory of universities and colleges.
Structural Features：
a. Samll volume, low weight and low noise
b. Equipped with gas ballast valve to pump a little water vapor.
c. Equipped with oil anti-suckback device.
d. 2XZ-2 with small caliber, 2XZ-4 pump with vacuum drying oven, freezing dry machine and printing machine.
e．Euipped with small caliber transforming joints and KF joints.
Parameters：
Parameters/Model | 2XZ-0.25 | 2XZ-0.5 | 2XZ-1 | 2XZ-2 | 2XZ-4 |
Pumping speedm3/h(L/S) | 50（HZ） | 0.9（0.25） | 1.8（0.5） | 3.6（1） | 7.2（2） | 14.4（4） |
60(HZ) | 1.1（0.3） | 2.1（0.6） | 4.3（1.2） | 8.6（2.4） | 17.2（4.8） |
Ultimate pressure（Pa） | Partial pressure | ≤6×10-1 | ≤6×10-2 | ≤6×10-2 | ≤6×10-2 | ≤6×10-2 |
Total pressure | ≤6.5 | ≤1.33 | ≤1.33 | ≤1.33 | ≤1.33 |
Rotary speed（r/min) | 50（HZ） | 1400 | 1400 | 1400 | 1400 | 1400 |
60(HZ) | 1720 | 1720 | 1720 | 1720 | 1720 |
Moter power（kw) | 0.12 | 0.18 | 0.25 | 0.37 | 0.55 |
Voltage（V) | 220 | 220/380 | 220/380 | 220/380 | 220/380 |
Inlet diam(O.D.)（mm） | φ15 | φ20 | φ20 | φ30 | φ30 |
Noise level（dBA） | 63 | 65 | 65 | 68 | 68 |
Oil capacity（L） | 0.5 | 0.6 | 0.7 | 1 | 1.2 |
Dimensions（mm) | 403×130×240 | 447×168×260 | 469×168×260 | 514×168×282 | 565×168×282 |
Gross weight/Net weight（Kg） | 16/15 | 17/16 | 18/17 | 22/20 | 24/22 |
