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DF Series Multistage Pump
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DF Series Multistage Pump

DF Series Multistage Pump



DF Series Multistage Pump

Summary

The conveying temperature of model DF pump is -20'C to +105t;. It can be used in conveying corrosive media without solid granules. The inlet pressure of pump is less than 0.6 MPa. Model DF pump is a horizontal multiple - stage - single-suction sectional centrifugal pump. The outlet and inlet of the pump are vertically up. The feeding section, middle section, and discharging section are integrated by fastening bolts. The rotors of the pump are made up of blade wheels installed in the shaft, balance disc, etc. The both ends of the rotor are supported by rolling bearing or sliding bearing. The rolling bearing is lubricated with oil.The axial force of the rotor is balanced by the balance disc.
The shaft seal is mechanical seal or filling seal.On both ends of the shaft is a sealing case, inside of which there is mechanical seal or soft filling. There is some water with certain pressure inside the sealing case. The water has the effect of water seal and cooling. At the shaft seal installs replaceable shaft casing, which can protect the shaft of the pump. The pump is directly driven through flexible coupler by the prime mover. The pump rotates clockwise, looking from the prime mover side.

DF Series Multistage Pump

Table of Technical data

 

 

PumpType

CapacityQ
  (m3/h)

headH(m)

Speedn
  (r/min)

(kw)Power

Efficiencyη(%)

Hs(m)
  permiss


  D2(mm)
  impellerdiameter

WeightW
  (kg)

(mm)Outlinedimension

(mm)caliber

Remark



ShaftPower

Motorpower

long

weight

high

imbibe

discharged



DF25-50

15

154.5

2950

14.3

22

44

7.7

196

270

930

522

480

80

80

stage:
  3


25

150

18.9

54

7.5


28

144

20.3

54

7.4


DF25-50

15

206

2950

19.1

30

44

7.7

196

295

990

522

480

80

80

stage:
  4


25

200

25.2

54

7.5


28

192

27.1

54

7.4


DF25-50

15

257.5

2950

23.9

37

44

7.7

196

315

1050

522

480

80

80

stage:
  5


25

250

31.5

54

7.5


28

240

33.9

54

7.4


DF25-50

15

309

2950

28.6

55

44

7.7

196

340

1110

522

480

80

80

stage:
  6


25

300

37.8

54

7.5


28

288

40.7

54

7.4


DF25-50

15

360.5

2950

33.4

55

44

7.7

196

360

1170

522

480

80

80

stage:
  7


25

350

44.1

54

7.5


28

336

47.5

54

7.4


DF25-50

15

412

2950

38.2

75

44

7.7

196

385

1230

522

480

80

80

stage:
  8


25

400

50.4

54

7.5


28

384

54.2

54

7.4


DF25-50

15

463.5

2950

43

75

44

7.7

196

405

1290

522

480

80

80

stage:
  9


25

450

56.7

54

7.5


28

432

61

54

7.4


DF25-50

15

515

2950

47.7

75

44

7.7

196

430

1350

522

480

80

80

stage:
  10


25

500

63

54

7.5


28

480

67.8

54

7.4


DF25-50

15

566

2950

52.5

100

44

7.7

196

450

1410

522

480

80

80

stage:
  11


25

550

69.3

54

7.5


28

528

74.6

54

7.4


DF25-50

15

618

2950

57.3

100

44

7.7

196

470

1470

522

480

80

80

stage:
  12


25

600

75.6

54

7.5


28

576

81.4

54

7.4


DF46-50

28

172.5

2950

24.8

37

53

7.4

208

270

930

522

480

80

80

stage:
  3


46

150

29.9

63

7.3


50

144

31

63.2

71


DF46-50

28

230

2950

33.1

55

53

7.4

208

295

990

522

480

80

80

stage:
  4


46

200

39.8

63

7.3


50

192

41.3

63.2

7.2


 

PumpType

CapacityQ
  (m3/h)

headH(m)

Speedn
  (r/min)

(kw)Power

Efficiencyη(%)

Hs(m)
  permiss


  D2(mm)
  impellerdiameter

WeightW
  (kg)

(mm)Outlinedimension

(mm)caliber

Remark



ShaftPower

Motorpower

long

weight

high

imbibe

discharged



DF46-50

28

287.5

2950

41.4

55

53

7.4

208

315

1050

522

480

80

80

stage:
  5


46

250

49.8

63

7.3


50

240

51.6

63.2

7.2


DF46-50

28

345

2950

49.6

75

53

7.4

208

340

1110

522

480

80

80

stage:
  6


46

300

59.7

63

7.3


50

288

61.9

63.2

71


DF46-50

28

402.5

2950

57.9

100

53

7.4

208

360

1170

522

480

80

80

stage:
  7


46

350

69.7

63

7.3


50

336

72.2

63.2

7.2


DF4-50

28

460

2950

66.2

100

53

7.4

208

385

1230

522

480

80

80

stage:
  8


46

400

79.6

63

7.3


50

384

82.6

63.2

71


DF46-50

28

517.5

2950

74.4

100

53

7.4

208

405

1290

522

480

80

80

stage:
  9


46

450

89.6

63

7.3


50

432

92.9

63.2

7.2


DF46-50

28

575

2950

82.7

110

53

7.4

208

430

1350

522

480

80

80

stage:
  10


46

500

99.5

63

7.3


50

480

103.2

63.2

7.2


DF46-50

28

632.5

2950

91

132

53

7.4

208

450

1410

522

480

80

80

stage:
  11


46

550

109.5

63

7.3


50

528

113.5

63.2

7.2


OF46-50

28

690

2950

99.3

132

53

7.4

208

475

1470

522

480

80

80

stage:
  12


46

600

119.4

63

7.3


50

576

123.9

63.2

7.2


DF46-30

27

102

2950

11.8

22

54.5

7

166

180

775

600

585

80

80

stage:
  3


46

90

17

66

6


50

87

18.1

65.5

5


DF46-30

27

136

2950

15.75

30

54.5

7

166

190

838

600

585

80

80

stage:
  4


46

120

22.8

66

6


50

116

24.2

May-65

5


DF46-30

27

170

2950

19.7

37

54.5

7

166

214

911

660

610

80

80

stage:
  5


46

150

28.5

66

6


50

145

30.2

65.5

5


DF46-30

27

204

2950

23.6

45

54.5

7

166

231

974

660

610

80

80

stage:
  6


46

180

34.2

66

6


50

174

36.2

65.5

5


 

PumpType

CapacityQ
  (m3/h)

headH(m)

Speedn
  (r/min)

(kw)Power

Efficiencyη(%)

Hs(m)
  permiss


  D2(mm)
  impellerdiameter

WeightW
  (kg)

(mm)Outlinedimension

(mm)caliber

Remark



ShaftPower

Motorpower

long

weight

high

imbibe

discharged



DF46-30

27

238

2950

27.6

55

54.5

7

166

248

1037

710

640

80

80

stage:
  7


46

210

40

66

6


50

202

42

65.5

5


DF46-30

27

272

2950

31.5

55

54.5

7

166

265

1100

710

640

80

80

stage:
  8


46

240

45.8

66

6


50

232

48.4

65.5

5


DF46-30

27

306

2950

35.4

75

54.5

7

166

282

1163

760

770

80

80

stage:
  9


46

270

51.3

66

6


50

260

54.2

65.5

5


DF46-30

27

340

2950

39.4

75

54.5

7

166

299

1266

760

770

80

80

stage:
  10


46

300

57

66

6


50

290

60.4

65.5

5


DF85-45

54

153

2950

36.3

55

62

6.8

200

887

840

740

680

150

150

stage:
  3


85

135

46

68

5.1


97

126

47.7

70

4.2


DF85-45

54

204

2950

48.4

75

62

6.8

200

1021

914

740

680

150

150

stage:
  4


85

180

61.2

68

5.1


97

168

63.6

70

4.2


DF85-45

54

255

2950

60.5

90

62

6.8

200

1165

993

740

680

150

150

stage:
  5


85

225

76.7

68

5.1


97

210

79.7

70

4.2


DF85-45

54

306

2950

72.5

110

62

6.8

200

1696

1067

940

775

150

150

stage:
  6


85

270

91.8

68

5.1


97

252

95.5

70

4.2


DF85-45

54

357

2950

84.7

132

62

6.8

200

1832

1114

960

775

150

150

stage:
  7


85

315

107.5

68

5.1


97

294

111

70

4.2


DF85-45

54

408

2950

97

160

62

6.8

200

1958

1215

960

775

150

150

stage:
  8


85

360

122.5

68

5.1


97

336

127.5

70

4.2


DF85-45

54

459

2950

109

185

62

6.8

200

2225

1289

1080

775

150

150

stage:
  9


85

405

138

68

5.1


97

378

142.5

70

4.2


DF85-67

55

222

2950

66.6

90

50

6.7

235

846

1407

674

620

150

150

stage:
  3


85

201

75

62

6


100

183

79.2

63

5.6


DF85-67

55

296

2950

88.8

110

50

6.7

235

964

1495

674

620

150

150

stage:
  4


85

268

100

52

6


100

244

105.6

63

5.6


DF85-67

55

370

2950

111

160

50

6.7

235

1126

1583

674

620

150

150

stage:
  5


85

335

125

52

6


100

305

132

63

5.6


DF85-67

55

444

2950

133.2

190

50

6.7

235

1434

1671

674

620

150

150

stage:
  6


85

402

150

52

6


100

365

158.4

63

5.6


DF85-67

55

518

2950

155.4

190

50

6.7

235

1556

1759

674

620

150

150

stage:
  7


85

469

17

52

6


100

427

184.8

63

5.6


 

PumpType

CapacityQ
  (m3/h)

headH(m)

Speedn
  (r/min)

(kw)Power

Efficiencyη(%)

Hs(m)
  permiss


  D2(mm)
  impellerdiameter

WeightW
  (kg)

(mm)Outlinedimension

(mm)caliber

Remark



ShaftPower

Motorpower

long

weight

high

imbibe

discharged



DF85-67

55

592

2950

177.6

220

50

6.7

235

1624

1847

674

620

150

150

stage:
  8


85

536

200

52

6


100

488

211.2

63

5.6


DF85-67

55

666

2950

199.8

250

50

6.7

235

1840

1935

674

620

150

150

stage:
  9


85

603

225

52

6


100

549

237.6

63

5.6


DFl55-30

119

98.1

1480

43.05

75

74

7.5

305

540

1168

605

630

150

150

stage:
  3


155

92.1

50.4

77

6.9


190

84

58.06

75

5.8


DFl55-30

119

130.8

1480

57.4

90

74

7.5

305

620

1283

605

630

150

150

stage:
  4


155

122.8

67.2

77

6.9


190

112

77.42

75

5.8


DFl55-30

119

163.5

1480

71.75

110

74

7.5

305

690

1428

605

630

150

150

stage:
  5


155

152.5

84

77

6.9


190

140

96.78

75

5.8


DFl55-30

119

196.2

1480

86.1

132

74

7.5

305

770

1543

605

630

150

150

stage:
  6


155

184.2

100.8

77

6.9


190

168

116.16

75

5.8


DFl55-30

119

228

1480

100.45

160

74

7.5

305

850

1658

605

630

150

150

stage:
  7


155

214.9

117.6

77

6.9


190

196

135.52

75

5.8


DFl55-30

119

261.6

1480

114.8

190

74

7.5

305

930

1773

605

630

150

150

stage:
  8


155

245

134.4

77

6.9


190

224

154.88

75

5.8


DFl55-30

119

294.3

1480

129.15

190

74

7.5

305

1010

1888

605

630

150

150

stage:
  9


155

276.3

151.2

77

6.9


190

252

174.24

75

5.8


DFl55-30

119

327

1480

143.5

220

74

7.5

305

1090

2003

605

630

150

150

stage:
  10


155

307

168.5

77

6.9


190

280

193.6

75

5.8


DF280-43

168

141

1480

93.6

160

69

7

360

930

1386

737

780

200

200

stage:
  3


280

129

127.8

77

5.5


336

114

141

74

3.9


DF280-43

168

188

1480

124.8

220

69

7

360

1040

1516

737

780

200

200

stage:
  4


280

172

170.4

77

5.5


336

152

188

74

3.9


DF280-43

168

235

1480

156

250

69

7

360

1150

1646

737

780

200

200

stage:
  5


280

215

213

77

5.5


336

190

235

74

3.9


DF280-43

168

282

1480

187.2

320

69

7

360

1260

1776

737

780

200

200

stage:
  6


280

258

255.6

77

5.5


336

228

282

74

3.9


DF280-43

168

329

1480

218.4

360

69

7

360

1370

1936

737

780

200

200

stage:
  7


280

301

298.2

77

5.5


336

266

329

74

3.9


DF280-43

168

376

1480

249.6

440

69

7

360

1480

2066

737

780

200

200

stage:
  8


280

344

340.8

77

5.5


336

304

376

74

3.9


DF280-43

168

423

1480

280.8

440

69

7

360

1590

2196

737

780

200

200

stage:
 
  9


280

387

383.4

77

5.5


336

342

432

74

3.9


 

 


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