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250AYS80 high efficient auto electric oil pump
250AYS80 high efficient auto electric oil pump
1.A brief description about the AY auto electric oil pump
Type AY auto electric 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.
Type AY auto electric oil pump is used for petroleum redinery, petrichemical, chemical industry and other petroleum, liquefied petroleum gas and other mediums which are imflammable, explosive, toxic, high temperature and high pressure without solid particles.
2.What are the material of main parts of the auto electric oil pump ?
3.What are the construction of the AY auto electric oil pump ?
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 wirh ends supporting, single-satage and doubel-suction with two ends supporting, multi-stage and ring section.
The auto electriv oil pump casing is installed horizontally with supported on the center line. The suction and discharge nozzle flanges are cast toghter on the pump casing and vertivcal upwards. the stuffing boxes and pump cover are cast toghter 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 installed only when required by customer or when the medium is water with temperature more than 66 °C and hydrocarbon compound whith temperature more than 120 °C.
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 °C ). The bearing housing also can be cooled by water(temperature is 120 °C to 420 °C ).
The pumps are driven directly by driver through the membrane coupling.View from motor end, the rotating direction is anticlockwise.
3.What is the performance range of oil pump type AY auto electric oil pump ?
Capacity Q: 2.3 ~ 600m3 /h
Head H: 30 ~ 603m
Temperature:t= -45 ~ +420°C
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| 4.Description of oil pump type AY auto electric oil pump |
eg.250AYS80 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)
eg.80AY100X2B 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. |
Grade of material | I | II | III | |
Applied temperature | -20°C~+150°C | -45°C~+420°C | -45°C~+420°C | |
Name of parts | Pump casing | HT250 | ZG230-450 | ZG1Cr13Ni |
Impeller | HT200 | ZG230-450 | ZG1Cr13Ni | |
Shaft | 45 | 35CrMo | 3Cr13 | |
Sealing of casing | HT250 | HT250 | ZG1Cr13MoS | |
Sealing of impeller | QT500-7 | QT500-7 | 3Cr13 | |
Shaft sleeve of packing | 3Cr13 | 1Cr13 | 1Cr13 | |
Shaft sleeve of mechanical sealing | 3Cr13 | 3Cr13 | 3Cr13 | |
Bolt of casing | Q235-A.F | 35CrMo | 35CrMo | |
Polywood Case, as per customers requirement// 45-60 days after payment
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