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General The well-known ETA-pump on the bearing bracket C and D is constructed in accordance with DIN 24 255 standard and completes the performance range up to max. 1800 m3/hr (6600 Imp.g.p.m., 7900 USgpm). The graduation of pump sizes enables you to select a model of high efficiency and low absorbed horsepower under any set of operating conditions. Field of Application General water supplies for municipalities, industry and agri- culture; water works, pressure boosting and irrigation plants; circulation of hot water, cooling water and oil; as condensate, building sites, and loading pumps etc. Design Horizontal single and two stage centrifugal pump with volute casing flanged onto the bearing bracket. Sizes 100-50/2 and 125-50/2 are two-stage. Overhung radial flow impeller equipped with balance holes for hydraulic balancing. Renewable casing wear rings and shaft protecting sleeves. Bearings Axial and radial location by two oil lubricated deep groove ball bearings in the bearing pedestal. Grease lubrication on request. ETA C and D 39 39 Product Catalogue Shaft Seal Uncooled soft-packed stuffing box up to 110 °C (230 °F) or cooled soft-packed stuffing box up to 140 °C (285 °F). Other constructions are available which cater for special require- ments. Uncooled mechanical seals up to 140 °C (285 °F) max. may also be fitted. Nozzle Orientations Suction nozzle axial, discharge nozzle radially pointing upward; on sizes 200-23, 250-29 and 300-35 tangentially left pointing upward. Other nozzle positions possible upon request. Flanges machined according to DIN 2533, NP 16, from size 200 upward according to DIN 2532, NP 10. Drive Direct drive by an electric motor, an internal combustion engine or a turbine via a flexible coupling.
23

ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

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Page 1: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

GeneralThe well-known ETA-pump on the bearing bracket C and D isconstructed in accordance with DIN 24 255 standard andcompletes the performance range up to max. 1800 m3/hr (6600 Imp.g.p.m., 7900 USgpm). The graduation of pumpsizes enables you to select a model of high efficiency and lowabsorbed horsepower under any set of operating conditions.

Field of ApplicationGeneral water supplies for municipalities, industry and agri-culture; water works, pressure boosting and irrigation plants;circulation of hot water, cooling water and oil; as condensate,building sites, and loading pumps etc.

DesignHorizontal single and two stage centrifugal pump with volutecasing flanged onto the bearing bracket. Sizes 100-50/2 and125-50/2 are two-stage. Overhung radial flow impellerequipped with balance holes for hydraulic balancing.Renewable casing wear rings and shaft protecting sleeves.

BearingsAxial and radial location by two oil lubricated deep groove ballbearings in the bearing pedestal. Grease lubrication onrequest.

ETA C and D

39 39

Product Catalogue

Shaft SealUncooled soft-packed stuffing box up to 110 °C (230 °F) orcooled soft-packed stuffing box up to 140 °C (285 °F). Otherconstructions are available which cater for special require-ments. Uncooled mechanical seals up to 140 °C (285 °F)max. may also be fitted.

Nozzle OrientationsSuction nozzle axial, discharge nozzle radially pointingupward; on sizes 200-23, 250-29 and 300-35 tangentially leftpointing upward. Other nozzle positions possible uponrequest.Flanges machined according to DIN 2533, NP 16, from size200 upward according to DIN 2532, NP 10.

DriveDirect drive by an electric motor, an internal combustionengine or a turbine via a flexible coupling.

Page 2: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

Materials of construction Part No. Part Designation Material combinations

(01) (02) (03) (04) (05) (06) (07) (08)101 Volute Casing JL 1040109 Diffuser JL 1040

122/122a Wear ring JL 1040 GCuSn 10 JL 1040 GCuSn 10 JL1040 GCuSn 10211 Pump Shaft 080M40Q 431S29 080M40Q 431S29

202/202a Impeller JL1040 GCuSn 10 JL 1040 GCuSn 10 JL1040 GCuSn 10Shaft seal Packed gland Mechanical Packed gland Mechanical

350.1 Bearing housing JL 1040451 Stuffing box housing JL 1040452 Gland JL 1040524 Shaft Protecting sleeve JL 1040 316 SS

JL 1040 GG-25

ETA C and D

200 300 400 500 Imp gpm 1000 2000 3000 4000 5000

200 300 400 500 US gpm 1000 2000 3000 4000 5000

30 40 50 100 Q m3/h 200 300 400 500 1000 2000

100

mH

50

40

30

20

10

5

4

300

ftH

200

100

50

40

30

20

100-50/2

100-40

125-50/2

125-40

150-50 200-50

200-40

200-33

250-50

250-40

250-33

300-35

250-29

200-23

80-40/2

40 40

Selection ChartsSelection chart at 1450 r.p.m.

Page 3: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

CAPACITY RANGE

Casing Pressure:Cast-iron casings

at temperatures up to 120°C 10 ats. gaugeat temperatures exceeding 120°C up to 140°C 8 ats. gauge

For higher pressures; attention is drawn to design in S.G. cast iron.

Maximum Peripheral Speed:

For cast iron impellers 40 m/sec (131 ft/sec) (diameter in metres x R.P.M. x 3,14) 60

Use cast chrome-steel or bronze, for higher peripheral speeds.

Temperature:

Maximum operating temperature for all sizes:

with standard stuffing box N 105°C (uncooled stuffing box)with hot water stuffing box HW 140°C (cooled stuffing box)

For higher temperatures, refer to S.G. cast iron construction.

Lubrication:

The pump shaft runs in two oil-lubricated ball-bearings.The bearings and the bearing bracket should be flushed with petrol or benzene while slowly rotating the shaft. After cleaning and complete removal of the cleaning agent, the bearing bracket should be filled with oil, Maximum and mini-mum oil level are indicated by marks on the dipstick.Only high-grade branded oils conforming to the following specifications should be used:

ETA C and D

41 41

Bearing Pedestal:

Max. value N/n kW/RPM

Corresponding maximum 900 rev/min kWmotor rating at speeds: 1400 rev/min kW

C D

0.069 0.178

6296

160250

up to

1500 rev/min

over

1500 rev/min

at lowambienttemperature

30 - 45

20 - 40

15 - 30

4 - 6

3 - 5

2.5 - 4

0.9

0.9

0.9

195

195

195

+5

+5

+5

0.3

0.3

0.3

0.05

0.05

0.05

0

0

0

Viscosityat 50ºC

Centistrokes º Engler

Specificgravity20ºCmax.

Flashpoint

minimumºC

Pourpointbelow

ºC

Neutra-lizationnumber

max.

Ashcontent

%max.

Bitumencontent

%

Page 4: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

Dimension Table

ETA C and D

42 42

Sizeb2

Pump

Bea

ring

Ped

esta

l

b1 h1 h2a1 f1 g1 h1 m1 m1 m3 m4 n1 n2 n3 o1 p1 q1 q3 q4 r3 r1 s1 w1n1

100-40

100-50

125-33

125-40

125-50

150-26

150-33

150-40

150-50

200-23

200-40

250-29

250-33

250-40

250-50

300-35

C

C

C

C

C

C

C

D

D

C

D

D

D

D

DS

D

624

624

629

619

619

629

624

870

870

635

880

880

853

875

880

890

255

255

230

267

267

222

245

285

323

264

308

340

295

330

381

405

275

275

266

298

298

283

300

325

363

335

372

435

398

410

492

520

400

400

375

475

475

400

425

425

525

300

525

350

525

600

650

450

155

230

150

160

247

170

170

160

170

250

180

220

245

180

210

300

300

300

300

300

300

300

300

400

400

300

400

400

400

400

400

400

300

300

300

300

300

300

300

400

400

330

400

400

400

400

450

520

320

320

400

445

445

445

445

445

445

445

650

650

445

650

650

650

650

650

650

105

105

105

105

105

105

105

150

150

105

150

150

150

150

150

150

250

250

250

250

250

250

250

250

250

250

250

250

250

250

250

320

80

80

80

80

80

80

80

120

120

80

120

120

120

120

120

120

250

250

250

250

250

250

250

380

380

250

380

380

380

380

380

380

140

140

140

140

140

140

140

140

140

140

140

140

140

140

140

160

160

160

160

160

160

160

160

200

200

160

200

200

200

200

200

200

580

580

580

580

580

580

580

700

700

580

700

800

700

800

800

840

306

306

306

306

306

306

306

417

417

306

417

417

417

417

417

417

22

22

22

22

22

22

22

25

25

22

25

25

25

25

25

25

60

60

60

60

60

60

60

85

85

60

85

85

85

85

85

85

190

190

190

190

190

190

190

190

190

190

190

190

190

190

190

260

96

96

101

91

91

101

96

128

128

107

138

138

111

133

138

148

210

210

210

210

210

210

210

335

335

210

335

335

335

335

335

335

440

440

440

440

440

440

440

560

560

440

560

660

560

660

660

680

24

24

24

24

24

24

24

28

28

24

28

28

28

28

28

28

83

83

83

83

83

83

83

92

92

83

92

92

92

92

92

92

Cooling water inlet and outlet connec-tions for stuffing-box design HW, and seal-ing liquid or leakage connections fordesign VSM are 3/8”. Connection for othersealing liquid and flushing liquid VSHis 1/4” (see operating manual).

Connections provided for:

I Priming funnel, ventingSize 100-40 to 125-50 1/2”Size 150-26 to 300-35 3/4”

III DrainingSize 100-40 to 125-50 1/2”Size 150-26 to 300-35 3/4”

V Pressure gauge 1/2”VI Vacuum gauge 1/2”VII Oil-drain plug 3/8”XII Oil-filling plug,

dipstick 3/8”XVI Leakage drain

bearing pedestal C 3/4”Leakage drainbearing pedestal D 1”

Page 5: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

ETA C and D

43 43

Size

100-40

dm 6

100-50

125-33

125-40

125-50

150-26

150-33

150-40

150-50

200-23

200-40

250-29

250-33

250-40

250-50

300-35

244

Tang

entia

ld

isch

arge Shaft extension

l u t Suc

tion

Flangedia

BoltCircle

dia

RaisedFacedia

Bolts

Number Holedia

dis

char

ge

Flangedia

BoltCircle

dia

RaisedFacedia

Bolts

Number Holedia

292

352

42

42

42

42

42

42

42

50

50

42

50

50

50

50

50

50

105

105

105

105

105

105

105

135

135

105

135

135

135

135

135

135

12

12

12

12

12

12

12

14

14

12

14

14

14

14

14

14

45,1

45,1

45,1

45,1

45,1

45,1

45,1

53,5

53,5

45,1

53,5

53,5

53,5

53,5

53,5

53,5

125

125

150

150

150

200

200

200

200

200

250

250

300

300

300

300

250

250

285

285

285

340

340

340

340

340

395

395

445

445

445

445

210

210

240

240

240

295

295

350

350

400

295

295

295

400

400

400

188

188

212

212

212

268

268

268

268

268

320

320

370

370

370

370

8

8

8

8

8

8

8

8

8

8

12

12

12

12

12

12

18

18

23

23

23

23

23

23

23

23

23

23

23

23

23

23

100

100

125

125

125

150

150

150

150

200

200

250

250

250

250

300

220

220

250

250

250

285

285

285

285

340

340

395

395

395

395

445

180

180

210

210

210

240

240

240

240

295

295

350

350

350

350

400

8

8

8

8

8

8

8

8

8

8

8

12

12

12

12

12

18

18

18

18

18

23

23

23

23

23

23

23

23

23

23

23

158

158

188

188

188

212

212

212

212

268

268

320

320

320

320

370

Suction Flange Discharge Flange

ETA: Flange size 100 to 150 - according to DIN 2533 NP 16 (EN 1092-2 PN16)Flange size 200 to 300 - according to DIN 2532 NP 10 (EN 1092-2 PN16)

ETA B: according to DIN 2533, nominal pressure 16 (EN 1092-2 PN16)

For connection to pipelines with foreign flange standards (ASA pr BST)adaptor pieces or welded connecting flanges are fitted (acc. to DIN onthe pump side).

Number Of Stages:

Pumps are single stage except the following sizes:Two stage pumps - ETA 100-50 and 125-50

Shaft Protection:

All sizes with bearing pedestals C and D have shaft sleeves of cast iron forstandard design and stainless steel for mechanical seal design.

Page 6: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

ETA

44 44

Bearing PedestalBRK Pedestal with no shaft protecting sleeve

Number of stagesTwo stage pump - ETA 80-40/2

w3

Size

80-40

b2

Pump

Bea

ring

Ped

esta

l

b1 h1a1 f1 g1 h1 m1 m1 m2 n1 o1 p1 q1 q2 r3

BR 535 210 230 350 210 200 232 355 85 85 205 282 22 132.5132.5 175

s3

23 105

Size

80-40

dm 6

Tang

entia

ld

isch

arge Shaft extension

l u t Suc

tion

Flangedia

BoltCircle

dia

RaisedFacedia

Bolts

Number Holedia

dis

char

ge

Flangedia

BoltCircle

dia

RaisedFacedia

Bolts

Number Holedia

42 105 12 45,1 100 220 180 158 8 18 80 200 160 8 18138

Suction Flange Discharge Flange

Page 7: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

Size Bearing Pump Dimensions Shaft (pump)Pedestal a b1 b2 c d e f g h i k m o p q s y so dms l u t

200 - 33 D 895 560 700 28 200 928 475 175 92 85 400 650 85 335 380 28 190 250 50 135 14 53.5200 - 50 DS 900 660 800 33 200 933 575 175 92 85 400 650 85 335 380 28 190 250 50 135 14 53.5

26

26

22

22

Dimension Table ETA - B

ETA C and D

44 45

Page 8: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

407 213 XX 556 c 122 202 211122a 217 102a

456426439409

201 f 115 426a 432 241 XVI 433 101 447 109 124 202a 222

ETA, two-stage, with uncooled soft-packed stuffing box, construction N,sizes 100-50/2 and 125/50-2

Part No. Designation101 Volute casing102a Suction cover109 Diffuser115 Bearing pedestal122 Joint ring

122 a Joint ring124 O ring201 Shaft202 Impeller

202 a Impeller,1st stage211 Spacer sleeve213 Shaft protecting sleeve217 Impeller nut222 Lock washer241 Thrower301 Cooling cover344 Gasket

400.3 Flat gasket407 Stuffing box gland409 Deep groove ball bearing

412.3 Joint ring412.4 Joint ring426 Bearing end cover426a Bearing end cover432 Felt ring433 Stuffing box packing434 O-ring437 Gasket438 Gasket439 Gasket447 Lantern ring456 Felt ring cover471 Cover472 Rotating seal ring for casing474 Washer475 Stationary seal ring478 Right handed spring

500.3 Set ring556 Threaded plug/Sealing liquidIX Cooling water / lnletX Cooling water / Outlet

XVI Leakage drainXX Sealing liquid / lnletf Oil dipstickc Sealing liquid channel

426a 213 XX 556 c 122 222 217

456

1151:37/5

426 409 115 201 f 439 432 241 XVI 407 433 447 101 202 344 102a

ETA with uncooled soft-packed stuffing box, construction N

ETA C and D

46 45

Page 9: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

ETA

46 Impeller 260-330 mm ∅∅ Impeller outlet width 14 - 9 mm 47

ETA 80-40/2

1425 R.P.M.

Page 10: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

ETA C and D

48 Impeller 405-340 mm ∅∅ Impeller outlet width 11 mm 47

ETA 100-40

1450 R.P.M.

Page 11: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

1450 R.P.M.

ETA C and D

48Impeller 1st 330 mm ∅∅ Impeller outlet width 1st 15 mmImpeller 2nd 405-260 mm ∅∅ Impeller outlet width 2nd 11 mm 49

ETA 100-50/2

Page 12: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

ETA C and D

50 Impeller 405-340 mm ∅∅ Impeller outlet width 16 mm 49

ETA 125-40

1450 R.P.M.

Page 13: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

ETA C and D

50 51Impeller 1st 330 mm ∅∅ Impeller outlet width 1st 22 mmImpeller 2nd 405-260 mm ∅∅ Impeller outlet width 2nd 16 mm

ETA 125-50/2

1460 R.P.M.

Page 14: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

1450 R.P.M.

ETA C and D

52 Impeller 500-410 mm ∅∅ Impeller outlet width 20 mm 51

ETA 150-50

Page 15: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

ETA C and D

52 53

ETA 200-23

1425 R.P.M.

Page 16: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

1450 R.P.M.

ETA C and D

54 Impeller 330-270 mm ∅∅ Impeller outlet width 50 mm 53

ETA 200-33

Page 17: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

ETA C and D

54 Impeller 405-320 mm ∅∅ Impeller outlet width 38 mm 55

ETA 200-40

1460 R.P.M.

Page 18: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

ETA C and D

56 Impeller 500-410 mm ∅∅ Impeller outlet width 32 mm 55

ETA 200-50

1460 R.P.M.

Page 19: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

ETA C and D

56 Impeller 290/290 - 260/140 mm ∅∅ Impeller outlet width 80 mm 57

ETA 250-29

1450 R.P.M.

Page 20: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

ETA C and D

58 Impeller 330/330 - 300/210 mm ∅∅ Impeller outlet width 71 mm 57

ETA 250-33

1460 R.P.M.

Page 21: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

ETA C and D

58 Impeller 405-320 mm ∅∅ Impeller outlet width 58 mm 59

ETA 250-40

1460 R.P.M.

Page 22: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

ETA C and D

60 Impeller 500-410 mm ∅∅ Impeller outlet width 43 mm 59

ETA 250-50

1460 R.P.M.

Page 23: ETA C and D - KSB 650 450 155 230 150 160 247 170 170 160 170 250 180 220 245 180 210 300 300 300 300 300 300 300 300 400 400 300 400 400 400 400 400 400 300 300 300 300 300 300 300

ETA C and D

60 Impeller 345/345-325/175 mm ∅∅ Impeller outlet width 97,5 mm 61

ETA 300-35

1460 R.P.M.