QY Oil-filled Submersible Pump

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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:Centrifugal pumps for normal operation, is it reasonable to install valves on their inlet lines? Why?: Reasonable, no valve, how to debug, overhaulGenerally installed on imports of valves of relatively large Cv value

Q:A residential building with a floor height of 11 stories and a roof height of 33 meters. The height of the water tank is 37.7 meters. The basement is -3.3 meters, only set fire hydrant, fire pump only consider the indoor fire water, fire flow should be 10l/s. Now select a fire pump, concrete should be much traffic, big head, flow determine how? How to determine the head, I hope to say some more detailed, thank you, and there is to explain this question, why is the fire pump lift 120?. Thank you: Modify the part: (the design of regional common fire pump should be in accordance with the requirements of the original design, building design) contains a 55m high building, and the basement is about 6m, the pump reached in the basement height about 61m (common fire pump should be based on the highest floor of other low floor area, low ring and take in this case, relief measures) 61 levels, the most unfavorable hydrant to reach 0.07MPa (maximum allowable 0.5MPa) plus loss of lift at least about 90m more appropriate, of course can be higher to take relief measures (120 too high), the basic flow of lossless (with the same time there is only one building fire) according to the maximum amount of a building fire water pump set can be, there must be a backup with a preparation, and then select the appropriate pump manufacturer specification query.(the 20 houses on 99m are only shared with a 135m pump)

Q:What is the distance between the pump and the wall?: What do you mean by that? If your pump is parallel to the wall! Then, the wall of the pump near the wall is usually 500mm. This is an empirical data, considering the import pipe length, pump maintenance and motor heat dissipation and other aspects of the situation to determine. Dozens of pumps installed in our company are placed in this size! Hope to be of help to you.

Q:What are the constant pressure pumps?: Constant pressure pump is also called the booster pump, the name is used for booster pump, its main purpose is water heater booster, with tall low pressure, sauna, bath and other pressure in the apartment, the lack of water pressure, solar automatic pressurization and so on.

Q:The water tank of the fish tank does not air out and only has the water outlet: The air inlet pipe is connected with the oxygen burst, the entrance also pulled out, we can see that it is the design of a miter, the oblique incision back to the direction of the water flow speed, this outflow, negative pressure is formed in the oblique incision, the air can be sucked in. As shown.

Q:What is the minimum continuous flow of a pump?: Quality solutionsMinimum flow of pump, minimum continuous flow of pumpIn order to ensure the proper use of the pump and the normal operation of the pump manufacturer will indicate the minimum pump in the sample of the continuous operation flow, the correct selection or use to warn or instruct users. According to the provisions of the API standard, the minimum continuous flow into the minimum continuous stable flow and continuous flow. Most small thermal limit(1) the minimum continuous stable flow.API standard specifies the minimum continuous stable flow refers to the vibration limit does not exceed the standard set by the pump can work normally. The minimum flow pump at small flow rate, there will be noise and vibration increase, API of this provision is to ensure that the service life of the pump, avoid due to improper operation of the pump caused by the adverse effects.

Q:The working principle of magnetic pump: Working principle of magnetic pumpN of the magnet (n is even) arranged according to the laws in the magnetic clutch assembly inside and outside the magnetic rotor, the magnet part consisting of magnetic coupling system. When the inside and outside the two poles in different relative displacements, two poles between the angle phi = 0, the lowest energy magnetic system; when rotates to the relative displacement is two poles, pole angle between phi = 2 pi /n, the magnetic system of magnetic energy. Remove the external force, due to the magnetic system of magnetic poles repel each other, magnetic magnet will return to the lowest energy state. So magnets in motion, driven by the magnetic rotor.

Q:Operating procedures for measuring pumps: 3, discharge pipeline unimpeded.4, the pipeline should meet the positive pressure head, that is, in high flow suction conditions work.5, check the direction of the pump, strictly prohibited reverse.6. Check the oil level in the crankcase compartment. For multi cylinder pumps, check that the oil level has reached the required level.7 、 pump motor static grounding is good, meet the requirements.

Q:The suction pump has a nominal suction range of 30 metersHow deep can a well be sucked?Well, sixteen meters,: Vacuum pump plus form must not reach a standard atmospheric pressure vacuum, so the general can absorb 8 meters is very good, and the self suction pump itself and loss, the horizontal self-priming pump can suck on basic 4~6 meters is very good, self-priming pump. Suction lift of 30 meters is purely in the Mongolian people, does not comply with the laws of nature, obvious anti science.

Q:How to distinguish the flow and displacement in the hydraulic pump? What's the difference between the two?: If you're allowed to spend a minute, you can do it 20 times a minute, and that is, the amount of water you sprinkle at a time (1000) is *20.1000 (ML) *20=20000 ml =20 liters, this is the flow,Here is a formula for you to see,Pump displacement * pump speed = flow,

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