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AY Type Two-Stage Centrifugal Pump

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Brief Introuduction
  AY type lubropump series, which is reformed and redesigned on the base of original Y type lubropump series. In order to meet the construction of the modernization and adapt to the requirement of replacing the old with the new one soon which is focused on the saving the energy,so we develop this new product, it has the following characteristics:
1.The original bearing body parts35,50,60 are replaced by bearing body45,55,70 in this way, its reliability can be increased.
2.The hydraulic excess flow part adopt the hydraulic model of the high efficiency energy saving pump, in average, the efficiency is 58% higher than the old Y type lubropump.
3.In order to keep inheriting the strueture pattern, installing size, performance parameter all keep the same with the Y type lubropump, so it is very convenient for renewing and recinstructing.
4.The lubropump parts have the strong all-purpose ability, its generalstandaed parts can be commonly used by several series.
5.The affinage of its selecting materials way and the principals part is mainly made of II III kind material, the materials of some parts such as bearing body is up two kinds, that is  casting steel and casting iron, in this way, it makes very advantageous for being used in the cols area, being used outdoor, using for ship-making.
6.According to the different service temperature, selecting bearing has three types, that is air cooling, air fan cooling, water cooling. Among them, air fan cooling is especially used for the area where the water resource is lack or the quality of water is worse.

Structure Characteristics
  AY type lubropump can be divided into six kinds, that is Single-stragle suction and two-stage suction cantilever,single stage double suciton cantilever, single stage double suction and two stage double suction dual bearing type two stage single suction dual bearing type. The structure type is the chart 1 to chart 6.
  Casing radial split,especially used for transporting the liquid which is high temperature, high pressure, inflammable, explosive or poisonous. Its installing way is supporting with the horizontal central line. The suction port flange and discharge part flange of the pump are all cast on the pump casing, and then are all in vwetical and upward direction. Gland seal cavity(pscling box) and cover are cast together, packing seal, balanced seal, bellows seal, tandem mechanical seal can all be put into the packing box. Out of the gland seal cavity, there is the selective water-cooling cavity jacket which is cast on it, the equipment of the water-cooling cavity must be used in this kind if the situation, that is specially put forward when transporting the hydraulic whose temperature is over 150ºC.
  The impeller is cast integrally, and after static balancing, the axial force of the pump is mainly depend all the balanced cavity of the impeller to keep  its balancing. There are radial ball bearing and a set thrust ball bearing, which is installed  back to back  on the bearing body. Its bearing adopt  oil slinger to lubricate it. Fins are cast on the surface of the bearing body, it can be aircooled, we also can choose fan cooling (T=120ºC-260ºC) and watercooling(T=260ºC-420ºC)
  In order to easily dismounting the parts such as  impeller, shaft, bearing or gland seal,mean while we don't need to dismantle the suction line or discharge line while the pump is  on the overhaul . We always adopt metallic flexible laminated memnrane couplings.


ModelCapacity
Q
m3/h
Head
H
m
Speed
n
r/min
Efficiency
FAC η
%
NPSH
m
Shaft power
Pa
KW
MotorPump weight
kg
ModelPower
KW
40AY40X26.25802950312.74.4YB132S2-27.5163
40AY40X2A5.85702950312.73.6YB132S1-25.5
40AY40 X2B5.4602950312.52.85YB112M-24
40AY40 X2C4.9502950312.52.17YB100L-23
50AY6012.5702950422.95.67YB132S2-27.5130
50AY60A11.2532950392.94.1YB132S1-25.5
50AY60B9.9392950372.82.8YB112M-24
50AY60 X212.5120295037211YB160M2-215210
50AY60 X2A1210529503629.5YB160M2-215
50AY60 X2B11902950351.97.7YB160M1-215
50AY60X 2C10762950351.76YB160M1-211170
65AY6025602950563.17.3YB160M1-211
65AY60A22.5492950542.85.6YB132S2-27.5
65AY60B2037.52950522.53.9YB132S1-25.5
65AY10025110295047315.9YB180M-222190
65AY100A23922950462.912.5YB160L-218.5
65AY100B217329504439.5YB160M2-215
65AY100 X2252052950492.829.1YB225M-245
65AY100 X2A231782950472.723.7YB200L2-237310
65AY100 X2B221542950462.720.1YB200L1-230
65AY100X2C201302950452.615.7YB180M-222
80AY6050602950623.213.2YB160L-218.5200
80AY60A454929506139.9YB160L-215
80AY60B403829506036.9YB160M1-211
80AY100501042950593.124YB200L2-237220
80AY100A4585295056318.6YB200L1-230
80AY100B40762950542.915.3YB180M-222
80AY100 X2502002950573.647.8YB280S-275380
80AY100 X2A471752950553.540.7YB250M-255
80AY100 X2B431532950533.333.8YB225M-245
80AY100 X2C401252950513.326.7YB200L2-237
100AY6010063295072423.8YB200L2-237220
100AY60A90492950713.816.9YB200L1-230
100AY60B79382950673.512.2YB160L-218.5
100AY1201001232950664.350.6YB280S-275320
100AY120A93108295062444.1YB280S-275
100AY120B85942950623.835.5YB250M-255
100AY120C79752950593.627.5YB200L2-237
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