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31. Its structure is horizontal fame mounted, radial split, back pull out and single-stage single-suction chemical centrifugal pump.

32. Consider fluid person who compress and multistage centrifugal pump trends nature actual conditions of axial force, Have analysised on the dynamic characteristic of this system in the article.

33. In 1689, French Physical scientist , Papin, invented 4 - impeller volute centrifugal pump.

34. ApplicationModel 32 PL shower pump is a horizontal centrifugal pump of single - stage , and single - suction overhang type.

35. By using data acquiring and processing functions of computers, the authors succeeded in developing a computer-aided test system on centrifugal pump performance.

36. Centrifugal pump performance curve can be used as the basis for pump selection.

37. Self - priming centrifugal pump over - current components are: inhalation room, impeller, the chamber pressure is in three parts.

38. Since 1960 s, we have cooperated with Hefei General Machinery, Institute to develop special centrifugal pump.

39. FSB and FSB - D type centrifugal pump, overflow part is made of Fluor plastic alloy, compact in structure and easy to operate with low price.

40. This paper tried to accomplish the global performance prediction of the multiple centrifugal pump, and the results in this paper apply some data for the succeeding analysis.

41. YHB series chemical submersible pump is vertical single stage single - suction centrifugal pump.

42. ZLHB series stainless steel explosion - proof chemical centrifugal pump is applicable to transport inflammable chemical liquids.

43. The parallel-connection and variable-speed operation characters of the centrifugal pump groups are studied by conics fitting of the character curves in the high efficiency area.

44. The half deficient liquid centrifugal pump in a decarbonizing system suffered from serious corrosion and did not work normally after operating only for about one year.

45. It is resolved that design condition efficiency for low specific speed centrifugal pump is not the highest in terms of experiential statistical area ration value.

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46. It is self - priming centrifugal pump performance curve of the fundamental.

47. The structural and hydraulic design method is presented low - specific - speed highspeed centrifugal pump with two - stage complex impeller.

48. The characteristics of centrifugal pump unit given by pump specimen are obtained by testing with water.

49. The improvement of Multiple centrifugal pump sealing protection ring for ammonia production was introduced.

50. The centrifugal pump and the petro motor (or electric motor) are both arranged a portable stander. The utility model has simple structure, high working efficiency and low auxiliary power.

51. Centrifugal pump is the centrifugal pump the flow of the delivery capacity, refers to units within the pump by the time the transmission fluid volume.

52. The centrifugal pump characteristic data determined through the experiment, make the curve graph of the characteristic.

53. The increasing - flow design method is presented on superlow - specific speed high - speed centrifugal pump in this paper.

54. Than the number to more than 150 self - suction centrifugal pump performance curve has dropped.

55. The work has certain significance on design and optimization of the low volume and low specific speed stamping and welding multistage centrifugal pump.

56. The paper introduces the current status of study on the hydraulic design of the super-low specific speed centrifugal pump.

57. Single suction, single stage horizontal centrifugal pump with closed impeller.