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Boiler Feed Water Pump


    SPECIFICATIONS:


    Size: 25-350mm

    Capacity: 3.75-670m³/h
    Head:8-1800m
    Power: 5.5-4000kw
    Speed:980-2950r/min
    Materials:Cast iron, SS304, SS316L, Bronze, Duplex stainless steel etc


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  • Product Description

Tobee® TDG Boiler Feed Water Pump is a horizontal multi-stage centrifugal pump and suitable for transporting pure water (with the contained foreign matters' content less than 1% and graininess less than 0.1mm) or other liquids of both physical and chemical natures similar to pure water. It is applicable to transport medium with temperature of not higher than 105℃ , and high temperature boiler water or transporting medium similar to hot water. If The TDG pumps add a cooling system with specfice shaft seal and materials, It can be used to transport boiler water, hot water, oil, chemicals or corrosive liquids with the temperature of not higher than 210℃.


Design Features:


Horizontal, Multistage, High pressure, High temperature, Centrifugal pump design

Stator - Consists of suck-in section, middle-section, spitting section, guide vane, packing etc., which are linked together with a take-up bolt, with both suck-in and spitting mouths vertically upward.

Rotor - Consists of a shaft, impeller, balancing disk, shaft sleeve etc.

Bearing - The whole rotor is supported by the roller bearings or sliding bearings on both ends of the shaft and the bearings are lubricate d with grease or 20 engine oil.

Cooling -  When temperature of the liquid transferred is over 80℃, Cooled water should be filled to the water cooling packing gland and shaft seal cooling chamber. Cooled water and seal water should be clean water in normal degree. The pressure of cooled water should be 1.5-3Kg/cm2, pressure of seal water should be more than 0.5-1Kg/cm2 of the seal chamber.

Shaft seal - Shaft seals are classified as packing seal and mechanical seal. The water seal wat er of packing seal is industrial water, with pressure of 2-3kg/cm2. The flushing water of mechanical seal is softened water, whose pressure shall be 3kg/cm2 higher than the inlet pressure.


Tobee® TDG Boiler Feed Water Pump Quick Selection Chart:


Tobee TDG Bolier Feed Water Pump Curve


Tobee® TDG Boiler Feed Water Pump Performance Parameters:


Model

Capacity Q
(m3/h)

Head H
(m)

Speed n
(rpm)

Power P
(kw)

Eff. η

(%)

NPSHr

(m)

TDG6-25

3.75-7.5

73.5-306

2950

4-18.5

53

2-2.5

TDG6-50

3.75-7.5

144-624

2950

11-55

36

3-3.5

TDG6-80

3.75-7.5

220-982

2950

18.5-75

36

3-3.5

TDG12-25

7.5-15

69-338.4

2950

7.5-30

58

2-2.5

TDG12-50

7.5-15

93-648

2950

15-75

49

2-2.5

TDG12-80

7.5-15

220-982

2950

30-132

40

2-2.5

TDG25-30

15-30

82.5-340

2950

15-45

68

2.2-2.4

TDG25-50

15-28

144-618

2950

22-110

61

2.4-2.8

TDG25-80

15-30

380-1013

2950

75-160

56

3.1-3.8

TDG46-30

30-55

81-340

2950

22-75

75

2.4-4.6

TDG46-50

30-55

138-666

2950

37-160

71

2.5-3.2

TDG46-80

27-54

380-1056

2950

110-280

65

3.9-5.5

TDG85-45

55-100

117-510

2950

55-185

77

3.2-5.2

TDG85-67

55-100

183-740

2950

90-280

73

3.3-4.4

TDG85-80

51-102

304-880

2950

132-355

71

3.5-4.5

TDG85-100

51-102

285-1100

2950

132-450

65

3.8-4.6

TDG120-50

96-140

126.9-545

2950

90-250

78

3.2-6.7

TDG120-100

96-144

360-1260

2950

220-630

74

3.8-5.5

TDG150-30

119-190

85.5-330

2950

75-220

83

3.8-5

TDG150-50

120-180

85-550

2950

75-355

75

3.2-6.6

TDG150-80

90-180

228-880

2950

185-630

75

3.2-6.6

TDG150-100

120-180

285-1100

2950

200-710

73

3.8-5

TDG155-67

100-185

118-760

2950

90-450

79

3.2-6.6

TDG200-50

120-240

135-580

2950

132-400

81

4.5-5.8

TDG200-100

150-240

168-1130

2950

185-900

76

3.5-5

TDG200-150

150-240

378-1725

2950

400-1400

72

2.5-3

TDG210-70

160-260

186-712

2950

200-710

79.2

6.2-7.8

TDG280-100

196-336

368-1100

2980

500-1250

78.5

4-6.5

TDG155-30

119-190

54-320

1480

45-200

82

3.2-4.8

TDG155-50

120-180

127.5-550

1480

110-355

71

3.2-6.6

TDG200-50

132-240

198-544

1480

185-450

75

2.3-4.1

TDG280-43

185-335

76-470

1480

110-500

81

2.5-5.2

TDG280-65

185-355

186-680

1480

280-900

74

2.8-5.0

TDG280-95

180-335

244-979.7

1480

355-1120

72.5

2.5-3.7

TDG300-45

200-350

80-445

1480

110-450

85

2.5-5.2

TDG360-40

300-440

106.5-420

1480

185-630

84

4.65-5.4

TDG360-60

300-440

210-640

1480

400-1000

74.5

3.1-5.3

TDG360-95

280-410

244-979.4

1480

400-1400

73

2.6-3.8

TDG450-60

335-500

113-650

1480

250-1000

84

4.1-6.3

TDG450-95

385-515

244-979.7

1480

500-1800

75

2.8-4

TDG500-57

450-550

162-600

1480

355-1250

82

4.4-5.8

TDG550-50

450-590

90-540

1480

220-1000

84

5.2-6.5

TDG580-60

450-638

165-650

1480

450-1250

82.5

3.16-5.16

TDG640-80

530-760

201.6-904

1480

710-2240

78

7.2

TDG720-60

550-850

171-660

1480

560-1800

82

7

TDG1100-85

850-1350

221-862

1450

1250-4500

84

7


Tobee® TDG Bolier Feed Water Pumps Structural Design:


Tobee TDG Boiler Feed Water Pump Structural design


Tobee® TDG Bolier Feed Water Pumps Structural Drawing:


Tobee Boiler Feed Water Pump Structural Drawing

No.
Part name
No.
Part name

1

Pin flexible coupling parts

10

Guide vane sleeve

2

Shaft

11

Take-up bolt

3

Rolling bearing parts

12

Discharge stage

4

Water cooled packing gland

13

Balancing sleeve

5

Suction stage

14

Balancing disk

6

Seal ring

15

packing

7

Middle stage

16

Cover of water cooling roon

8

Impeller

17

Bearing

9

Guide vane




Tobee® TDG Bolier Feed Water Pumps On-site Applications:


Tobee TDG Bolier Feed Water Pumps Applications

• Boiler water• Hot water• Water drainage• High pressure water    
• Water circulation• Agricultural irrigation• Condensate water• Cooling water
• Sea water• High temperature water• High building water supply• City water supply
• Mining water supply    • Acid water• Salt water• Waste water
• Fire fighting• Sewage treatment• Chemicals• Other industries


Tobee® TDG Bolier Feed Water Pumps Drawing:


Tobee TDG Bolier Feed Water Pumps Drawing


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