QY Oil-filled Submersible Pump

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Product Description:

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.


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Q:What does "dual purpose" of water pump mean? Please expert advice
1, if the water pump in the process of a strong vibration, then must stop to check what is the cause, otherwise it will cause damage to the water pump.3, when the pump valve Water Leakage, some people will fill with dry soil to the water pump inlet pipe, the water washed in the end valve, this is indeed undesirable. Because when the dry soil into the inlet pipe, when the pump started to work, these dry soil will enter the pump, then it will damage the pump impeller and bearings, thus shortening the service life of the pump. When the valve Water Leakage must take to repair, if it is serious that need to replace the new.
Q:Rotary vacuum pump does not meet the requirements of vacuum, what are the reasons?
(1) pump connected outside pipes, containers, pipes, joints and other leakage test instrument, large leakage, rotary gas plug exhaust sound big, and the gas and oil mist discharge, should find leakage cancellation.(2) the assembly of rubber of intake pipe is not proper, damage or aging should be adjusted or replaced.(3) plug hole, the vacuum degree can be decreased, put the oil, remove the tank, loosen the nozzle plate, pull out the oil inlet nozzle, dredge oil hole, try not to use cotton wipe parts.(4) the vacuum system has serious pollution, including containers, pipes and so on. It should be cleaned.(5) the spring of the vane is broken and should be adjusted.
Q:Direct connection pump What is straight pump and non direct pump? What's the difference in structure?
The direct connected pump impeller is directly mounted on the motor shaft, and the non direct connected pump and motor are two shafts, and the two shafts transmit torque through the coupling
Q:Is the diaphragm pump and the drain pump one?
First of all, there's something wrong with your concept.Diaphragm pump is in accordance with the way the pump classification, drain pump is in accordance with the use of pumps classification.
Q:What are the internal losses in centrifugal pumps? How did they come about?
Due to the friction of the bearing, the friction in the stuffing box, and the losses caused by the rotation of the impeller (the loss of the roulette wheel);
Q:What is the minimum continuous flow of a pump?
At'-- the allowable temperature rise of pumping medium,C- pumping medium specific heat, kj/ (kg DEG C);Ho- off dead center lift, M.Minimum continuous flow minimum continuous stable flow and minimum continuous thermal flow and the maximum value in the selection, or use the pump process, the minimum continuous flow process requirements must be greater than the minimum flow rate of the pump, otherwise it will cause the pump cavitation, vibration and noise, so that the pump parts damaged. If the minimum continuous flow the pump can not meet the minimum requirement's process, can install the bypass reflux device or reflux system in the pump pipeline, to ensure that the minimum continuous flow pump.
Q:How to select the fire pump?
Such as a large pressure of about 10m or about 0.1MPa} because the most unfavorable point fire hydrant requires more than 0.07MPa (7m) and 0.5MPa (50m) is not greater than the pressure, so unless the pump is located in the 50m Valley is still lower than the garage, or add to the valve (or the use of fire hydrant decompression) otherwise, it is 120m lift pump
Q:What are the starting and stopping procedures for centrifugal pumps?
Operation method and operation procedure of self-priming centrifugal pumpClick number: 440 release time: 2011-7-24Centrifugal pump method, centrifugal pump operation steps, centrifugal pump use steps
Q:What is double hydraulic pump?
The 2 pumps are all coaxial connected together, driven by a motor, the general gear pump, piston pump
Q:Working principle and structure of external gear pump
When the meshing teeth on one side of the suction chamber are gradually separated, the volume of the suction chamber is increased, and the pressure is lowered, and the liquid in the suction pipe is sucked into the pump; the suction liquid is divided into two parts to be pushed into the discharge chamber by the gear in the alveolus. When the liquid enters the exhaust chamber, the liquid is squeezed and discharged from the exhaust chamber into the discharge pipe because the teeth of the two gears are continuously engaged. The driving gear and the driven gear keep rotating, and the pump can continuously inhale and discharge the liquid. The pump body is equipped with a safety valve, when the discharge pressure exceeds the required pressure, the delivery liquid can automatically open the safety valve, so that the high-pressure liquid returns to the suction pipe.

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