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Electrical Open Impeller Industrial Chemical Pumps / Volute Centrifugal Pump

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Chengdu Yongyi Pump Industry Co., Ltd.

Electrical Open Impeller Industrial Chemical Pumps / Volute Centrifugal Pump

Country/Region china
City & Province chengdu sichuan
Categories Pumps
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Product Details

Electrical Open Impeller Industrial Chemical Pumps / Volute Centrifugal Pump

 

Working Principle

 

The centrifugal pump working principle is as following:

1. Through a suction flange the liquid flows through the suction hub into the rotating impeller.

2. The pump shaft absorbs mechanical energy from electric motor,and turn the electric energy into mechanical energy.

3. The blades fixed on the shaft exert a force on the fluid and increase its angular moment, so the pressure and absolute speed increase.

4. Consequently energy is being transferred to the fluid. 

 

Product Details

 

Capacity:8 ~ 800 m³/h

Head:10 ~ 90 m

Maximal Efficiency:70%

Diameter:200mm~470mm

Allowed Max Particle Size:20 mm

Seal Type:Mechanical seal/ dynamic seal/ packing seal

Pump Weight:up to 3000kg

RPM:1450 r/min

 

Features

 

  1. WD series anti-corrosion and wear-resistant horizontal centrifugal pump adopts the current general structure: bracket support and rear door form, which make the pump disassembly and maintenance safe and convenient, and the maintenance and repair cost is low.

  2. WD series pump adopts integral casting impeller. The pump body adopts wide flow channel design, which makes the pump adaptable to the working conditions and has strong pump passing ability. It is especially suitable for high solid content, high viscosity and easy crystallization medium. It has high efficiency and excellent anti-cavitation performance. 

  3. The bearing body adopts an axially movable structural design, which can adjust the axial clearance between the auxiliary impeller and the packing chamber without disassembling the pump.

 

Technical Parameter

 

model

Clean Water Performance

flow

(m3/h)

head

(m)

speed

(r/min)

maximum

efficiency

(%)

NPSH

(NPSHr)

m

pump head weight

KG

shaft component

40WD-250

8-20

15-28

1450

39

0.6

141

45

40WD-310

8-40

23-42

1450

45

1

257

55

40WD-350

8-45

35-54

1450

37

1

271

55

50WD-250

10-30

15-28

1450

40

0.7

146

45

50WD-310

15-60

25-42

1450

45

1.1

262

55

50WD-350

15-70

35-54

1450

50

1.1

286

55

50WD-400

20-75

50-75

1450

45

1.1

483

70

65WD-250

30-70

15-28

1450

48

1.1

149

45

65WD-310

30-90

25-40

1450

57

1.4

274

55

65WD-350

40-100

35-54

1450

59

1.5

280

55

65WD-400

50-120

45-75

1450

55

1.7

495

70

65WD-450

50-120

70-95

1450

52

1.7

524

70

80WD-250

70-100

15-25

1450

61

1.5

153

45

80WD-310

70-120

25-40

1450

62

1.7

288

55

80WD-350

70-160

35-52

1450

65

2.0

295

55

80WD-400

70-160

50-75

1450

62

2.0

500

70

80WD-450

70-160

70-95

1450

60

2.0

539

70

100WD-310

100-150

20-38

1450

65

1.9

293

55

100WD-350

100-220

35-50

1450

65

2.5

299

55

100WD-400

100-220

40-72

1450

65

2.5

529

70

125WD-310

120-260

18-36

1450

67

2.8

304

55

125WD-350

120-300

35-50

1450

68

3.2

307

55

125WD-400

140-350

45-70

1450

70

3.4

559

70

125WD-450

150-360

65-90

1450

67

3.6

741

80

150WD-310

200-400

18-35

1450

72

3.8

332

55

150WD-350

200-450

15-48

1450

75

4.2

333

55

150WD-400

200-450

40-65

1450

73

4.2

597

70

150WD-450

200-500

60-80

1450

67

4.5

753

80

200WD-350

300-600

28-47

1450

79

5

583

70

200WD-430

300-650

50-65

1450

75

5.2

765

80

250WD-350

400-900

26-45

1450

79

6.5

850

80

250WD-430

400-900

50-61

1450

75

6.5

910

90

 

Structure

 

 

*1Locking screw*8Vice impeller chamber15Front bearing cap22Oil pan*29Sleeve
2Gasket9O-ring*16Front bearing23Adjustment nut30Water seal ring
*3Impeller nut*10Vice impeller17Bearing body24Adjustment screw31Filler
4O-ring*11Packing chamber18Bearing bracket25Bearing body bracket32O-ring
*5Impeller12O-ring*19Rear bearing*26axis*33keys
*6Pump body13Rinse water nozzle20Rear bearing cover27Shield cover  
7O-ring14Water retaining plate21Key28Packing gland  

 

More Details

 

Pump Case:

1. high temperature annealing

2. no cracking

3.no defomation

4. guaranteed for ten years

Bearing:

1.select material

2.quality assurance

3.less friction

4.more efficient

Impeller:

1.various types of impeller 

2.high permeability

3.corrosion resistance and wear resistance

 

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