AY series oil pump

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Product overview

AY type centrifugal pump series, it was in Y type oil pump series on the basis of modification and redesign. It is to meet the needs of modernization, as soon as possible to adapt to energy saving centered equipment upgrading and development of new products. I plant production AY type pump in the case of without affecting the interchangeability, some parts of the original design is not reasonable place is improved.

Application field

AY type pump can be used in the oil refining industry, petrochemical industry, coal chemical industry and other places.
Product features

1. Bearing body parts to the original 35, 50, 60 Y type oil pump bearing body with 45, 55, 70 bearing replacement, improve the reliability.

2. The hydraulic flow components used the high efficiency and energy saving of hydraulic model, the average is more efficient than the old Y type oil pump 5-8%.

3. In order to keep the inheritance, AY type pump structure, installation size, performance parameters, material level to keep the same as the Y type oil pump, is advantageous for the renovation of the old mechanism.

4. Parts generalization degree is high, the general standard parts for several series of products share.

5. Select material refining, subject to Ⅱ, Ⅲ materials mainly. Bearing body parts such as increase of cast iron, cast steel, as the cold area, outdoor use, such as Marine provides favorable conditions.

6. Bearing free air cooled, fan cooling, the cooling system of water-cooling three, according to the different temperature of pump selection. The fan is especially suitable for cold water or areas of poor water quality.

The working conditions

Traffic: Q = 2.5-600 m3 / h

Head: H = 30-670 - m

Temperature: t = - 45 ~ + 420 ℃ (multistage pump - 20 ~ + 200 ℃)

Speed: 1450 r/min and 2900 r/min

Containing no solid particles oil, refined oil, liquefied petroleum gas and other medium, more applicable to transport inflammable, explosive or toxic in high temperature and high pressure liquid.



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Q:What's the difference between a concrete pump and a concrete pump truck?
Concrete conveyor pump height and distance can reach hundreds of meters, which is far more than pumping vehicles, but it needs cloth tube, not flexible enough. Less investment.Pump car use more flexible, higher investment.
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:Pump operator's responsibility Sharing the rules, responsibilities, etc..
1., consciously abide by the traffic control department management rules, to achieve civilized driving, safe driving.2. responsible for the daily maintenance, cleaning and cleaning of the pump truck, and ensure the equipment is in good condition.
Q:Centrifugal pump flow, why can be adjusted through the outlet valve?
First of all, we know that pump according to the principle of work is divided into speed and volume type, centrifugal pumps are speed type, and reciprocating pumps are volume type.The centrifugal pump can adjust the flow through the outlet valve and outlet valve opening can determine the pump flow and head performance curve parameters such as specific relationship between the outlet flow and pressure can be provided by the data pump manufacturers endplate that even close the outlet valve of the pump pressure will also have a fixed value, but not allow zero flow pump operation, vibration caused by damage to the pump on the mechanical seal is not good and so easy to cavitation, set the minimum reflux line.
Q:How about the depreciation of vacuum pumps?
(five) electronic equipment, for 3 years.The depreciation period of a vacuum pump can be calculated for 5 years. The expected residual rate is generally 5%, or it can be estimated by itself.
Q:Water pump does not produce water, what are the reasons?
1 check whether the motor is reversed.2, to see whether the export, the entrance blocked, the outlet pressure gauge whether there is pressure.3, whether the pump selection is wrong, you can not suck up the water.
Q:What are the problems that should be paid attention to when using vacuum pumps?
(1) check the vacuum pump line and the joint site regularly to see if there is any looseness. Turn the vacuum pump by hand and see if the vacuum pump is flexible.(2) add lubricating oil to the bearing body, observe the oil level at the center line of the oil mark, and the lubricant shall be replaced or supplemented in time.(3) plug screw vacuum pump of the water screw, filling water (or lead paste). (4) turn off the gate valve of the water outlet pipe and the outlet pressure gauge and the vacuum gauge. (5) point motor, and see if motor steering is correct.(6) start the motor. When the vacuum pump is in normal operation, open the outlet pressure gauge and the inlet vacuum pump. As soon as the proper pressure is shown, the gate valve is gradually opened, and the motor load is checked.
Q:Metering pumps related matters
Rotate to stroke length 100% position. This allows the kit to rotate to the back of the drain hole and align the bottom of the pump. Adjust the hydraulic end and diaphragm to the proper position during the pump operation.The duration of the pulse may not be long enough for the reaction time. With respect to the standard pulse width 80msec, the flow monitor pulse width expansion can be activated, increasing the pulse width to 300msec. Activate the smart switch, remove the cover fixed circuit board, remove the jumper X-1. This activates the extended function and allows more time before the failure instructions.Metering pump installed from the exhaust pump head, the use of self suction liquid imbibition. Keep the suction line as short as possible.
Q:Fire hydrant pump button, under what circumstances do not need to install?
The installation of hydrant pump buttons depends on the type of water supply:(1) municipal water supply; (in this case, do not have to install)(2) there is a fire pump; (must be installed)
Q:What are the uses and precautions of magnetic pumps?
2, when the suction surface above the pump axis, before starting the valve can open the suction pipe, if the aspiration level below the pump axis, the pipeline to be equipped with bottom valve;3, the pump should be checked before use, the motor blade rotation to be flexible, no jam, no abnormal sound, the fasteners should be tightened;4 、 check whether the motor rotation direction is consistent with the magnetic pump steering mark;

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