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What does the impeller on the centrifugal pump mean by the first cutting?
- There are 2 situations, first, for example, a XXXX-160 type pump head 32, flow 100, motor 15kW, according to the model we need to cut a become head 28, flow rate of 88, this time, in addition to cutting the impeller, the pump or the original pump motor, became 11kW this is, re designed a new model, namely XXXX-160A, but most structural components did not change. In the same way, we want to design a XXXX-160B that makes the head 24 and the flow rate 80, then we just need to cut the impeller again and match the smaller (7.5kW) motor (the motor bracket needs to be redesigned). In general, multiple cutting impellers are designed to expand and enrich the model. Second, the actual use, if you think the flow head is too large, but also can be cut to make it smaller to adapt to practical applications. But the 2 and 3 cuts you ask are the first.s
Why is the submersible pump tripped on an electrical switch?
- Submersible pump cable or motor insulation is damaged.3) motor water solutions
Why should the pump be closed when the centrifugal pump is started?
- Centrifugal pump has an important characteristic: when the pressure (head) is very low, the flow will be great, which can be seen from the characteristics of the pump curve. While the pump power is directly proportional to the flow rate, pump start, no pressure in the pipeline, caused by the pump flow, high power pump, and the pump motor, the rotating part from rest to high-speed operation, need a lot of acceleration, it will cause a great starting currents
How is the pump level of submersible sewage pump determined?
- Generally as:The bottom elevation of sump sump plus 300 is the water level of pump stopThe top 300 of the sump top elevation is the pump water levels
What are the general water pump failure, how to repair?
- Troubleshooting of water pumpFirst, the water pump does not cause water analysisThere is air in the inlet pipe and pump body(1) before the water pump is started, the water is not filled enough. Sometimes it seems that the water has been discharged from the vent hole, but the pump shaft is not rotated. The air is completely discharged, resulting in a small amount of air remaining in the inlet pipe or pump body.s
Piston filling and peristaltic pump filling which precision is high?
- If the unit area is large, the accuracy of the plunger is certainly not high. The peristaltic pump is used by means of extrusion roller extrusion pump to promote the solution, this also depends on the unit cross section size, the same motor accuracy is very important.s
Bolus dosage of infusion pumpWhat is the purpose of the pill dose control in the special safety standard for infusion pumps? If the risk is not properly controlled, what is the degree of risk? And how can the open infusion pump be used in this regard?
- (1) the pellet dose in the safety standard of the infusion pump refers to the amount of liquid that is transported to the patient in a short period of time(two) pill dose limit is mainly to control the risk of accidental pill dosage. Especially after the mandatory requirements of pipe blockage in the elastic pipe storage liquid limit amount of agglomeration and the limitation of these methods to release pill dose.s
Common failure treatment of piston pump
- Table 15 common troubles and treatment of hydraulic pumpsFault phenomenon, x09 cause analysis, x09 elimination method(1) the pump does not carry oil; the x091. pump does not turn x09 (1); the motor shaft does not rotate1) missed connection power supply2) electrical wiring and component failure, x09 check electrical and troubleshootx09x09 (2) motor heating trips
Correct installation methods of mud pump parts
- Mud pump parts mean the metering pumps, now they have a big market share in our country. When we install mud pump parts, we should know the correct installation methods of mud pump...
Tell us the cost of metalworking tools
- As we all know, metalworking tools have a wide application in our real life. They are now playing an increasingly important role in different fields. metalworking tools can be used...
Correct usage of the air suction pumps
- Air suction pumps are now becoming more and more popular among the public. Air suction pumps mean the pumps used to charge air for the beds, which are filled up with air, in this c...
Get to know fuel pumps for sale
- Fuel pumps for sale mean the water pumps which have low prices. They are playing a more and more important role in the society. Today, we will get to know something about the fuel ...
How to conserve marine pump
- Let’s talk about how to save water today.But first, if we want to use the water underground, we need a marine pump. Because the flow rate in a marine pump is related to pressure,...