Pump flow rate and diameter
The flow record of the pump is determined by the flow rate required by the device and the number of pumps.
On the flow and caliber of the relationship, used to use the diameter of the discharge outlet to express the size of the pump, and the discharge caliber and suction caliber is the same, so according to the flow of the pump to choose the appropriate caliber. However, the current increase in high head pump, even in the same flow, the speed of the liquid from the blade in the high head pump is high, the pump body is small, of course, the discharge diameter is smaller than the suction diameter. In addition, in the oil pump and screw pump, due to mechanical reasons, there are also changes in the discharge diameter.
In this way, the flow and caliber of the relationship is not the same as before. Therefore, the caliber is not so much used as a flow standard, as used as a pump name, when the suction caliber and discharge caliber is not at the same time, at the same time indicate (suction caliber X discharge caliber) mm. However, in addition to special suction conditions of the pump, the flow rate of the intake is usually specified as 2~3 m/s, so recently according to the corresponding flow to determine the suction diameter. That is to say, about the flow range corresponding to the suction diameter,
CYZ self-priming centrifugal oil pump (80CYZ-32) and RY high temperature centrifugal oil pump (RY50-32-200) as the benchmark to determine.
