What should be considered when selecting and purchasing water ring vacuum pumps

Everyone must be familiar with the water ring vacuum pump. It plays an important role in our production and life. As the core of a production project, it is also the basis for production. Its efficient use plays a vital role. Before use, it must be faced with a matter of choosing and purchasing. If we can not choose the appropriate equipment, it will be a kind of injury to the equipment itself. Harm is not conducive to the production, and even the possibility of unexpected events, so the following edition tells you what aspects should be considered when choosing and purchasing:
1. First of all, we should be clear about the layout of the device, topography, water level conditions, operation, comparison of economic schemes and other aspects of the actual situation.
2. Consider the type, horizontal, vertical or other type of water ring vacuum pump.
3. According to the nature of liquid medium, the clear water pump, the hot water pump, the oil return pump, the chemical pump or the corrosion-resistant pump or the impurity pump are determined, or the non-blocking pump is adopted. If the pump is installed in the explosion area, the explosion-proof motor should be used according to the explosion area grade.
4. Considering the vibration, it can be divided into pneumatic and electric (electric divided into 220V voltage and 380V voltage).
5. Considering the flow rate, choose single suction pump or double suction pump.
6. According to the height of lift, single suction pump or multi-suction pump, high-speed pump or low-speed pump (air conditioning pump), multi-stage pump efficiency is lower than single-stage pump. When single-stage pump and multi-stage pump can be used equally, single-stage pump should be selected.
7. Considering the specific type of the pump, after choosing which series of pumps to use, the specific type can be determined on the profile or series characteristic curve according to the maximum flow rate and the head after enlarging the allowance of 5% to 10%.
Through the full understanding of the equipment operation site, we know the size and nature of the parameters required by the equipment, and then choose the appropriate equipment model according to these, the flow size, head height and so on must be consistent. Above is about the water ring vacuum pump selection to consider aspects, I hope to help you.
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