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DG 6-25 High Pressure Multistage Pump 3.75~7.5 m³/h Flow 2 m NPSHr

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Shijiazhuang JieMu Machinery Equipment Co.,Ltd
City: Shijiazhuang
Province/State: Hebei
Country/Region: China
Tel: 86-311-80660278

DG 6-25 High Pressure Multistage Pump 3.75~7.5 m³/h Flow 2 m NPSHr

Brand Name : Gempump
Model Number : DG 6-25
Certification : ISO9001
Place of Origin : Shijiazhuang,China
MOQ : 1 unit
Price : USD 1000 Unit
Supply Ability : 100 units per month
Packaging Details : Wooden case
Material : cast iron 、stainless steel、etc
Color : Purple or required
Port : Tianjin、 Beijing
medium temperature : -20 ℃ ~ 150 ℃
Flow : 3.75~7.5 m³/h
Head : 49~306 m
Speed : 2950
Motor power : 3~18.5 kw
NPSHr : 2 m
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DG 6-25 High Pressure Multistage Pump 3.75~7.5 m³/h Flow 2 m NPSHr


Description


  • DG type horizontal single-suction multi-stage segmental vertical centrifugal pump, the chemical and physical properties for conveying water or similar Yu Qingshui liquid, suitable for the medium and low-pressure boiler or high-pressure boiler feed water, can also be applied to plant, the city of high-pressure water supply and drainage.
  • The medium temperature is -20 ℃ ~ 150 ℃, inlet allowed pressure is less than 0.6 Mpa.
  • This series of pumps are adopted country it is recommended to use the hydraulic model of high efficiency and energy saving products.
  • With high efficiency, wide range of performance, safety and smooth running, low noise, long service life, easy installation and maintenance, etc.

Features


  • DG type pump inlet and outlet are vertical, by tightening bolts will pump water period, the middle, water, pump shell parts such as bearing body connected into a whole.Choose according to pump lift pump series.
  • This series of pump rotor parts is mainly composed of and installed on the shaft of the impeller, shaft sleeve, the balance disc parts, such as the quantity according to the series of the pump impeller.Shaft parts with the flat key and shaft nut fastening and shaft etc.
  • The rotor consists of rolling bearings on both ends or sliding bearing.Bearing according to the different models, are not under axial force, and the axial force by the balancing disc.Allows the rotor in the operation of the pump in the pump shell axial float, cannot adopt the centripetal bearing.
  • Rolling bearings with grease lubrication, sliding bearing with thin oil lubrication, and the self-lubricating oil ring, circulating water cooling.
  • Pump inlet section, middle/water sealing surface adopt molybdenum disulfide grease seal, between rotor part and fixed part is equipped with seal, guide vane, etc when the seal ring and the degree of wear of guide vane set had influence on the performance of the pump work shall be replaced.
  • Shaft seal form has two kinds of mechanical seals and packing seal.
  • Pump using packing seal, the location of the packing ring placed to the right, the tightness of packing must be appropriate, with liquid can drip seeps advisable.
  • Loading pump seal element in a sealed box, box through a certain pressure of water, the water seal, the action of water or water lubrication.
  • In the shaft seal is equipped with replaceable shaft sleeve, the protection of pump shaft.
  • Time high-pressure pump generally adopts sliding bearing, thin oil lubrication structure, DG85-67, DG155-67 type pump can adopt sliding bearing, thin oil lubrication also can use rolling bearing, the structure of the centralized grease lubrication, the rest of the model adopts rolling bearing, dry lubrication structure.
  • Of the major parts material and low-pressure pump generally USES the high quality cast iron, high-pressure pump main parts adopt cast steel or stainless steel.
  • This series of pump through the flexible coupling, driven by a prime mover directly from the direction of the prime mover, the pump is clockwise.

Model Significance


Such as DG 6-25×6


DG - Sectional centrifugal pump boiler
6 - the design flow rate
25 - Single-stage head
6 - series for level 6



Performance


DG 6-25 Performance Parameter


LevelFlow QHeadSpeedηshaft powerMotorImpellerPumpMoter
Hn(%)NNPSHrDiameterweightweight
(m)(r/min)(kw)(m)D(kg)(kg)
m³/hL/spower(kw)Type(mm)

25129501.493Y100L-2139.577.233
501.84
492.08
376.52.235.5Y132S1-285.564
752.77
73.53.12
41022.987.5Y132S2-294.470
1003.69
984.16
5127.53.737.5Y132S2-2102.970
1254.61
122.55.2
61534.4711Y160M1-2111.5117
3.751.04150355.532
1476.24
7178.55.2211Y160M1-2120117
6.31.7517546.56.452
171.57.28
82045.9615Y160M2-2128.6125
7.52.08200487.372
1968.32
9229.56.7115Y160M2-2137.1125
2258.29
220.59.36
102557.4518.5Y160L-2145.7147
2509.21
24510.4
11280.58.218.5Y160L-2154.2147
27510.13
269.511.44
123068.9418.5Y160L-2162.8147
30011.05
29412.48


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