The key technology of the installation of the pump is to determine the pump (suction). The height is the vertical distance from the water surface to the center line of the pump impeller, and permitted suction vacuum height ,which can not be confused, high degree of vacuum suction on the vacuum pump inlet section refers to the value of the pump product specifications or nameplate is allowed, and the water temperature in the
1.standard atmospheric pressure, 20 degrees Celsius, and the determination of test. It does not take into account the flow of the suction pipe supporting. The pump mounting height should be allowed to deduct a high vacuum suction on the suction pipe head loss, the rest part of the value, it is highly absorbent to overcome the actual terrain. Installation height can not exceed the calculated value of water, otherwise, would be no water to pump。
2. Calculated values affect the size of the suction piping resistance loss of lift, therefore, should adopt the shortest piping layout, and minimize the elbow and other accessories, also may consider appropriate pipe with larger diameter, to reduce the flow tube.
3. It should be noted, pump installation site elevation and the water temperature is different from the experimental conditions, such as local elevation of 300 meters or the pumping of water temperature over 20 degrees Celsius, while the calculated values to be amended. Elevation at atmospheric pressure and water temperature above 20 degrees Celsius when the saturated steam pressure. However, the water temperature is 20 degrees Celsius, the saturated vapor pressure is negligible.
4. Installation technology from the pipes, water pipes required strict sealing, no leakage, Water Leakage, otherwise it will damage the intake pump vacuum pump, to reduce the amount of water, serious and even pumping Sheung Shui to. Therefore, to carefully work out the pipe interface, to ensure the quality of pipeline construction.