DG horizontal multistage centrifugal pump brief introduction

DG horizontal multistage centrifugal pump adopts the hydraulic model of national high efficiency energy-saving products recommended, with high efficiency, wide range of performance, safe and stable operation, low noise, long life, easy installation and maintenance, etc. advantage. Since the DG horizontal multistage centrifugal pump has so many advantages, then to make a simple understanding is very necessary, the following Xiaobian to brief under the DG horizontal multistage pump. Features Uses: DG horizontal multistage centrifugal pump, suitable for medium and low pressure boiler feed water, factories, urban high-lift water delivery. For the transport of water or physical and chemical properties similar to clear water, the two pump medium temperature -20 ℃ ~ 105 ℃ (DG85-80,200DG43, the two pump medium temperature -20 ℃ ~ 105 ℃ ). Pump inlet pressure shall not exceed 0.59MPa (6kgf / cm2). Structural Type: DG horizontal multistage centrifugal pump inlet and outlet are vertical upward, by tightening the pump into the water section, the middle section, the water section, the bearing body and other parts of the pump housing into one. According to the pump head to choose the pump series. The series of multi-stage pump rotor mainly consists of the shaft and the impeller mounted on the shaft, sleeve, balance disc and other components, including the number of impeller pump according to the number of stages. Shaft parts with flat key and shaft nut so that the shaft together as one. The entire rotor is supported by rolling bearings or plain bearings at both ends. Bearing according to different models, are not subject to axial force, the axial force balance by the balance. Pump in operation allows the rotor axial movement in the pump housing, can not use radial ball bearings. Rolling bearings with grease lubrication, sliding bearings with thin oil lubrication, and oil ring with self-lubrication, circulating water cooling. Pump inlet section, the middle section, the sealing surface between the water section are used molybdenum disulfide grease seal, the rotor part and the fixed part is equipped with a seal ring, guide vane sets and other seals, when the seal ring and guide vane sets The degree of wear has affected the performance of the pump should be replaced. Shaft seal in the form of mechanical seal and packing seal two. Pump packing used to seal the location of the filler ring placed correctly, the degree of tightness of the filler must be appropriate to the liquid can be a drop of ooze appropriate. Parameter Range: Flow Q 3.75 ~ 720m3 / h Head H 50 ~ 1500m Above is the DG type horizontal multistage centrifugal pump features use, structure, parameter range of a brief introduction, I hope you DG horizontal multistage centrifugal pump My heart can have a concept. Follow-up to better use DG horizontal multistage centrifugal pump. Further reading: IFAT China Guangzhou exhibition industry leaders building water pump manufacturers ranking article belongs to Internet industry (Xiamen) Co., Ltd. All are welcome to reprint, please indicate the source and author of: Asian pumps Network Editor: lindj (QQ / WeChat:) Starting: http://beng.liuti.cn/ (Service Hotline:)

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