Горизонтальный концевой всасывающий насос промышленный циркуляционный центробежный для чистой воды
- Категория: >>>
- Поставщик: Shandong Zhongrong Fuxing Group Co. Ltd.
Сохранить в закладки 1601053390310:
Описание и отзывы
Характеристики
1、 Is / ISR pump product overview:
Is / ISR type pump is a single stage single suction (axial suction) centrifugal pump, which provides fresh water with a temperature of less than 80 ℃ -100 ° C or other liquid with physical and chemical properties similar to clear water, which is suitable for industrial and urban water supply, drainage and agricultural drainage.
Model meaning:
2、 Features of is / ISR pump:
1. Is type pump is designed according to the performance and size specified in is02858. In addition to the pump body, other parts such as pump cover, impeller, shaft, sealing ring, shaft sleeve, suspension body, rolling bearing and so on constitute the rotor parts. The rotor parts of the pump are connected with the pump body by bolts. When overhauling, the parts can be taken out. It is not necessary to move the pump body and the inlet and outlet pipes. The pump shell (i.e. pump body and pump cover) constitutes the working room of the pump. In order to balance the axial force of the pump, most pumps are equipped with sealing rings before and after the impeller, and a balance hole is set on the back cover plate of the impeller. Due to the small axial force of some pumps, there is no sealing ring and balance hole on the back of impeller, and the axial force is borne by rolling bearing.
3、 Main uses and working conditions of is / ISR pump:
1. Is type pump is a Horizontal single-stage single suction clear water centrifugal pump, which is used to suck clean water and liquid with similar physical and chemical properties and no solid particles. It is widely used in industry, agriculture, city, drainage, fire water supply, etc
3、 Main uses and working conditions of is / ISR pump:
1. Is type pump is a Horizontal single-stage single suction clear water centrifugal pump, which is used to suck clean water and liquid with similar physical and chemical properties and no solid particles. It is widely used in industry, agriculture, city, drainage, fire water supply, etc
fault | reason | resolvent |
The pump does not absorb water and the pressure gauge jumps violently | There is not enough water for pouring. There is air in the pump. Air leakage of suction pipe and meter pipe | Drink plenty of water. Check the pipeline and eliminate the air leakage |
The vacuum gauge indicates high vacuum and the pump still does not absorb water | The bottom valve is not open or seriously blocked. The resistance of suction pipe is high. Suction height too high | Check the flexibility of the bottom valve and remove the blockage. Make the suction pipe as simple as possible. Reduce the suction height |
The outlet pressure gauge indicates that there is pressure, and there is little or no water coming out of the pump | The resistance of outlet pipe is large. Wrong turn. The impeller is blocked. Speed compensation | Reduce tube resistance. Check the motor rotation direction. Remove the impeller blockage. Increase the speed |
The flow rate is lower than the design flow rate | The impeller is blocked. The clearance of sealing ring is worn too much. The speed is not enough | Remove the blockage. Replace the sealing ring. Increase the speed to the specified value on the label |
Excessive pump power consumption | If the packing pressure is too tight, the packing chamber will be heated. Impeller wear. Too much pump water supply | Loosen the packing gland and replace the impeller. Turn down the gate valve to reduce the flow |
The sound inside the pump is abnormal and the pump does not discharge water | The resistance of suction pipe is too high. The suction height is too high. There is air entering the suction pipe. And the temperature of the liquid is too high | Check the suction pipe for blockage. Clean the bottom valve and reduce the liquid temperature or suction height |
The pump shaft is not concentric with the motor shaft. The impeller is unbalanced. Excessive bearing clearance | Adjust the pump and motor to align the axes. Impeller through the balance experiment, the unbalance weight requirement is about 3 grams. Replace the bearing | |
The bearing lacks oil or the oil viscosity is too big, which affects the lubrication. The bearing wear clearance is too large. The pump is not concentric with the motor. | come on. Change the oil or oil with low viscosity. Replace the bearing. Adjust pump and motor to ensure concentricity | |
Loud noise | Pump and motor installation is not concentric. Pump or motor bearing wear, resulting in runout | Adjust pump and motor to ensure concentricity. Replace the bearing with a new one |
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