Oil Pump AY Series

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General Description
Type AY Serious Oil pump is a new product designed on the base of old type Y oil pump which is suitable for renewing equipment with the aim of saving energy. It is used for petroleum refinery, petrochemical, chemical industry and other petroleum, liquefied petroleum gas and other mediums which are inflammable, explosive, toxic, high temperature and high pressure without solid particles.
Performance range

Instruction of pump type
For example:
250—Suction nozzle diameter (mm)
A:First reform
Y: Centrifugal oil pump
S:First stage impeller is double-suction
80: Head of single stage (m)
80:Suction nozzle diameter (mm)
A:First reform
Y: Centrifugal oil pump
100:Head of single stage (m)
2: Stage number
B:Impeller cutting code
The construction of oil pump type AY is divided into eight kind single-stage and single-suction overhung, double-stage and single-suction overhung, single-stage and double-suction overhung, single-stage and double-suction with two ends supporting, double-stage and double-suction with two ends supporting, single-stage and double-suction with two ends supporting,multi-stage and ring section.
The single and double stage pump casing is installed horizontally with supported on the center line. The suction and discharge nozzle flanges are cast together on the pump casing and vertical upwards. The stuffing boxes and pump cover are cast together which can be installed with soft packing seal and mechanical seals such as balancing bellow and series. The water-cooled chamber jacket, which can be selected ,is installed outside of shaft sealing chamber the water cooled chamber will be installed only when required by customers or when the medium is water with temperature more the 66℃ and hydrocarbon compound with temperature more than 120℃.
A journal ball bearing and thrust bearing arranged back-to-back are installed on the bearing housing. The bearings are lubricated by flinger with thin oil. Cooling fins are cast outside of bearing housing which can be cooled by air(temperature is less than 120℃). The bearing housing also can be cooled by water(temperature is 120℃ to 420℃)
The pumps are driven directly by driver through the membrane coupling. View from motor end, the rotating direction is anticlockwise.

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Q:Domestic pump does not use water, or turn, I do not know why?
The motor should be kept working, may be the motor switch problem, idling motor pump long time will certainly be bad, ha ha, the solution is to find a water pump maintenance master to work safety first!
Q:The difference between submersible pumps and centrifugal pumps
Difference:The installation position is different: one can discharge water, one is on the ground.Working principle: different submersible pump principle similar electric fan, centrifugal pump by centrifugal force makes the water thrown out. According to the design principle of centrifugal force, high speed rotation of the impeller blades to drive the liquid will rotate out of the liquid, so as to achieve the purpose of transportation. There are many medium for transportation, such as oil, water, chemicals and so on. The pump shaft and the motor shaft are of the same shaft, the pump and the motor are made into an integral body and immersed in water. The medium of transportation is water.
Q:Power flow conversion of water pump
Pump shaft power (kw) = water supply (L / s) x lift (m) /102 * efficiency = flow * lift * density * acceleration of gravity.Explanation:102 is the unit collation constant.Pump effective power / pump shaft power = pump efficiency (general 50%--90%, large pump higher)Unit time pump liquid volume flow is, flow by Q, a unit of measure: m3 / h (m3/h), L / S (l/s), L/s=3.6 m3/h=0.06 m3/min=60L/minG=Q G refers to weight - liquid proportionThe energy obtained by pumping a liquid of a unit weight is called a lift. The pump head, including suction stroke, is approximately the difference between the pump outlet and inlet pressure. The lift is expressed in H, and the unit is m.The efficiency of a pump is the ratio of the effective power to the axial power of the pump. ETA =Pe/P pump power usually refers to the input power, the motive power to the pump shaft, it is also called the shaft power, denoted by P. Effective power is the product of pump head and mass flow and gravity acceleration
Q:What is the difference between a low pressure pump and a high pressure pump?
High pressure pump head, large power! High pressure pump, low pressure pump has no strict limit
Q:Safety head of water pump?
The pump achieves this by providing sufficient energy to the liquid at the entrance of the impeller, and ensuring that the liquid remains liquid. This energy is known as the available cavitation margin, referred to as NPSH (A).If there is not enough NPSH (A) or energy, as soon as the liquid enters the impeller, its velocity is increased. According to Pohl's law, the pressure drops. A reduction in pressure will cause some molecules in the liquid to become gaseous, forming vapor bubbles.The performance of the pump will be lowered immediately and the bubbles will continue to grow until the pressure inside the pump causes them to implode.In brief, it is to avoid cavitation.
Q:Three phase water pump rated power 4000W, is three-phase working water pump, the voltage is 380V, how to find the three-phase pump current, and calculation of public
Three phase water pump motor rated power 4000W is the output shaft power, divided by the motor efficiency (general 85%) is the input power, which is often mistaken. The electric power is =4000/0.85=4706WRated current = electric power /1.732x, rated voltage x, power factor =4706/1.732x380x0.8=8.94A (assuming power factor 0.8).The above three answers are all wrong.
Q:Fully automatic self-priming pump
Yes, add a water level controller.Try electronic water level switch with stable and reliable performance. In Baidu search "electronic water level switch official website", you can find more information, model is BZ201
Q:30kW what is the flow rate of the pump?
There are many kinds of pumps, so it's difficult to answer you with a 30KW pump.
Q:2 pumps parallel, lift the same, pump head is not stacked?
2 pumps parallel, lift the same, pump head is not stacked?;Answer: the head can not be superimposed, that is, a lift and a pump, but the pumping speed (flow) is two times a taiwan.2 pumps in series, the same flow, pump head is not stacked?.Answer: the head can be superimposed, that is, the pump head is two times as much as a pump, but the pump speed is the same as that of a pump.
Q:(flood control emergency plan) what type of water pump should be used for flood control? How to choose
Each manufacturer's model is different, with submersible sewage pump is better,Submersible sewage pumps are portable, portable

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