Oil-filled Submersible Centrifugal Pumps

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Product introduction:
QYOil-filled submersible pump consists of pump, mechanical seal and motor. Pump is at the bottom part of pump, which is adopted centrifugal impeller. Motor which is triphase is at the upper part of pump and seal is used where pump and motor combine, which is a kind of double end mechanical seal"0"rings are applied to all static joints.
Axial flow impeller design can meet customer demand for big flow

Application:
This series pump because of wide range of flow and head, is extensively used for electrical irrigation, forest water spraying, pumping water from well, water tower deliver and urban construction water supply and discharge for farms, villages, industrial and mining enterprise.

Work Conditions:
The pump can work properly and continuously under following operational conditions:
1.Medium is not corrosive. Sand contents should be max. 0.10% by volume and granular size should be max.0.20mm.
2.Medium temperature shouldn’t be over 40°C and PH should be 6.5-8.5.
3.The pumps should be operated within rated head.
4.The pumps should be fully submerged into water with depth of less than 3m and max. The pump should be min. 0.5m over (he water bottom and not be inserted into sludge.
5.Power frequency should be 50Hz,three-phase vollage 380V.and voltage fluctuation should be 0.9-1.1 limes than the rated.


Q:Rules for operation of centrifugal pumps
5, before you stop, you should gradually close the outlet valve, then turn off the power supply.6, with the check valve line, in ensuring the check valve intact, without closing the outlet valve, check the pump cavity, no air can be directly switched on.
Q:Why adjust the centrifugal pump outlet valve can adjust the flow? What are the advantages and disadvantages of this method? Is there any other way to regulate the flow of the pump?
The use of frequency converter to adjust the speed of the motor can also adjust the flow, the advantage is to save electricity.
Q:What is the relationship between the minimum suction vacuum of a pump and the required cavitation?
When the pump is working, the liquid at the inlet of the impeller, due to a certain vacuum pressure will produce steam, the vaporization of the bubble in liquid particles under the impact of movement, the impeller and other metal surface erosion, thereby damaging the impeller and other metal
Q:What are the characteristics of the piston pump?
1 、 built in overvoltage protection and flow correction system.6 、 large screen LCD display.7. The well designed exhaust device can effectively remove the bubbles in the liquid.8, flow and pressure settings can be memory, and PLC communication (custom).
Q:How is the pump level of submersible sewage pump determined?
Pump water level must be higher than the water pump top, so that the motor running in the lower water temperature cooling environment, otherwise long-term operation will burn the machine
Q:What's the meaning of the pump head in the water pump, please advise, thank you
According to China Wikipedia network, the basic components of the water pump: motor, coupling, pump head (body) and chassis (horizontal).Pump is generally composed of pump body and pump head, in which the pump body refers to the spiral case, impeller, bearing, oil shell and sealing assembly, etc., the pump head refers to the impeller, bearings, oil ring and sealing rotating parts (including shaft), etc..
Q:Fire hydrant pump button, under what circumstances do not need to install?
There are four things to do:Fire hydrant button to meet the requirements of national standards.In addition to pumping, it can show the location of fire.
Q:Does the reservoir water heater press the booster pump (high marks)?
In addition, the water storage electric water heater has a safety valve is O.7MPa, before buying a booster pump, you can check the water inlet valve spring weakness, see the effect of water, barely even, then use it, do not buy.
Q:How to distinguish the flow and displacement in the hydraulic pump? What's the difference between the two?
The unit of displacement is the milliliter. How many milliliters does the pump rotate per circle? The displacement is the pump, the individual,The unit of flow is generally a liter, a figure added to the displacement of the pump over a period of time,
Q:Do you have a suction pump higher than 9 meters?
This screw self-priming pump suction process can be more than ten meters or more, my family is using this

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