Vacuum Pump
ZJ Series Roots Vacuum Pump
ZJ Series Roots Vacuum Pump is a positive displacement pump, also known as a mechanical booster pump, which is one of the leading equipment to obtain the middle and high vacuum degree. Its working principle is similar to a roots blower, which uses two figure 8 rotor synchronous rotations in the pump shell to complete the suction and exhaust process.
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ZJ Series Roots Vacuum Pump is a positive displacement pump, also known as a mechanical booster pump, which is one of the leading equipment to obtain the middle and high vacuum degree. Its working principle is similar to a roots blower, which uses two figure 8 rotor synchronous rotations in the pump shell to complete the suction and exhaust process.
Features:
The main advantage of the ZJ series roots vacuum pump is its high pumping speed at the lower inlet pressure with an ultimate high vacuum. Since the pump running parts have no contact, such as rotors and the end cover, the pump performance is stable and has a long service time and low maintenance cost.
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Products Specifications
| Model | ZJ-150 | ZJ-300 | ZJ-600 | ZJ-1200 | |
| Pumping speed（L/s） | 150 | 300 | 600 | 1200 | |
| Ultimate pressure （Pa） |
1stage piston pump as backing pump | 5×10-2 | |||
| 2-stage piston pump as backing pump | 1×10-1 | ||||
| Max. allowable diff. pressure（Pa） | 8×103 | 5×103 | |||
| Motor rotary speed（RPM） | 3000 | ||||
| Suitable motor power（kW） | 2.2 | 4 | 7.5 | 11 | |
| Flange size | Inlet（mm） | 100 | 150 | 200 | 250 |
| outlet（mm） | 100 | 150 | 200 | 200 | |
| Cooling water consumption（L/h） | 120 | 150 | |||
| Allowable temperature（℃） | 100 | ||||
| Vacuum pump oil | 100# | ||||
| Weight(without motor)（kg） | 195 | 250 | 760 | 860 | |
Applications:
They’re widely used in vacuum smelting, vacuum welding, vacuum casting, vacuum coating, vacuum drying, vacuum dynamic experiment, chemical pharmaceutical, and electric vacuum device manufacturing industries.
Given that chemical, pharmaceutical, and other industries require huge vapor degassing capablity. The sealing structure of the ZJ roots vacuum pump chamber and the bearing chamber has improved, greatly reducing the bearing cavity and gear cavity oil emulsification. Thus, the ZJ roots vacuum pump is more suitable for pumping large quantities of water vapor and solvent with a water ring vacuum pump.
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| Pharmaceutical | Chemical | Industrial Vacuum |
