Type series booklet CTI-1700/00 [12-2008]

MZ, MA

Liquid ring pumps

1 Fields of application Multi-stage, horizontal liquid ring pumps, with self-priming capacity. MZ and MA pumps are used for pumping of clean slightly aggressive fluids, not containing abrasive or solid particles.

The MZ and MA Series of KSB ITUR may pump a wide range of fluids, such as:

Type series: MZ, MA

Pump size

Number of stages

- Water

- Demineralized water

- Water with oil

- Ultra filtered water

- Sea water

- Gas oil

- Acids

- Solvents

2 Operating Data

50 Hz 60 Hz Capacity, max. m3/h 21 24 Head, max. m 140 172 Operating temp., max. ºC 90 (1) 90 (1) Operating temp., min. ºC -5 -5 Operating pressure, max. bar 16 16 Operating speed, max. rpm 1500 1800 (1) With material variant 01 / 120 ºC with variant 03

All data given in this document are for fully standard construction. For any specific application beyond those limits, please consult.

3 Design Radially-split horizontal multistage pump casing. Radial impulsion and suction flanges and liquid ring impellers.

Pump for horizontal installation.

4 Designation MZ – 41 / 3

5 Materials Material variant

Part Description REF. 01 03

Suction Casing 106 JL1040 (1) RG-5

Discharge Casing 107 JL1040 (1) RG-5

Shaft 210 AISI-316L (2) AISI-316L (2)

Impeller(s) 230 SN-16 SN-16

Bearing housing 350 JL1040 (1) JL1040 (1)

Friction bearing bush 545 RG-7 RG-7 (1) Grey cast iron to EN 1561 = GJL-250 (2) Hot Rolled chrome nickel molybdenum steel 1.4435

MZ, MA

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6 Components

6.1 Shaft Seal Single mechanical seal or packing.

6.2 Drive IEC frame electric motor.

6.3 Bearings / Lubrications MZ series with ball bearing at the drive end and friction bearings at non-drive end.

MA series with ball bearings on both sides of the shaft. The MA series also includes friction bearings inside the pump.

Ball bearings are greased for life. Friction bearings are self-lubricated by pumped fluid.

6.4 Coupling

Flexible, rubber plug type coupling without spacer.

Coupling guard: metallic coupling guard is supplied as standard.

6.5 Base plate Sectional Steel, welded or U-rails for complete unit (pump and motor).

Close-clouped units are supplied with two U-rails for easier installation.

7 Certification - ATEX Certified quality management according to ISO-9001.

This series can be supplied as ATEX compliant.

MZ, MA

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8 Selection charts

MZ 50 Hz

MZ 60 Hz

MZ, MA

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MA 50 Hz

MA 60 Hz

MZ, MA

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9 Benefits at a Glance

MA Multi – stage pump

Maintenance free ball bearings greased for life

Over dimensioned bearings for reliable long service

Mechanical seal, uncooled and maintenance free, gland packing can be supplied as option

MZ

Multi – stage pump

Maintenance free ball bearings greased for life

Mechanical Seal, uncooled and maintenance free, gland packing can be supplied as option

Over Dimensioned bearings for reliable long service

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10 Technical data

MA PUMP SIZES (1) Units MA-20 MA-25 MA-32 MA-40 MA-50 Bearing bracket (packing) 51-15 51-20 51-24 51-28 Bearing bracket (mechanical seal) 51-15/2 51-20/2 51-20/3 51-24/6 51-28/8 General Minimum number of impellers 1 1 1 1 1 Maximum number of impellers 4 6 6 6 4 Impeller Ø mm 104 113 130 150 164,6 Vane width mm 10 12 12 15,5 25 Shaft Ø Under impeller mm 17 24 26 30 Under ball bearings mm 12 17 20 25 At coupling mm 12 17 20 25 Bearings Ball bearing (drive end) 6301 2RS C3 6303 2RS C3 6304 2RS C3 6305 2RS

Ball bearing (non drive end) 6301 2RS C3 6303 2RS C3 6304 2RS C3 6305 2RS Packing 13-05/015/02 13-05/020/02 13-05/024/03 13-05/028/01

Friction bearing (non drive end) M. Seal 13-16/11 13-05/024/07 13-05/024/02 13-05/026/01 13-05/030/01

Packing 13-05/015/01 13-05/020/01 13-05/024/03 13-05/028/01

Friction bearing (drive end) M. Seal 13-16/10 13-05/024/06 13-05/024/01 13-05/026/01 13-05/030/01

Motor frame See point 12 Drive rating Consult KSB ITUR Shaft seal Option 1 2 x Single ITUR 5H2 Mechanical seal Size mm 16 20 20 25 28 Option 2 2x Gland Packing Size mm 6x917 6 x 1317 6 x 1317 6 x 1700 8 x 1810 (1) General standard data. Can be modified in particular cases.

MZ

PUMP SIZES (1) Units MZ-11 MZ-21 MZ-31 MZ-41 MZ-51 Bearing bracket (packing) 500Z-51 Bearing bracket (mechanical seal)

100Z-51 200Z-51 300Z-51 400Z-51 500Z-51/1

General Minimum number of impellers 1 1 1 1 1 Maximum number of impellers 4 4 4 3 2 Max. impeller Ø mm 104 113 130 150 164,6 Vane width mm 10 12 12 15,5 25 Shaft Ø Under impeller mm 15 18 24 28 Under ball bearings mm 12 15 20 25 At coupling mm 12 15 (2) 14 20 25 Bearings Ball bearing (drive end) 6301 2RS C3 6302 2RS C3 6304 2RS C3 6305 2RS Packing

Friction bearing (non drive end) M. Seal

13-00/015/02 13-00/018/02 13-05/024/05 13-05/028/03

Packing 13-05/028/01

Friction bearing (drive end) M. Seal

13-00/015/03 13-05/018/01 13-05/024/04 13-05/028/03

Motor frame See point 12 Drive rating Consult KSB ITUR Shaft seal Option 1 1 x Single ITUR 5H2 Mechanical seal Size mm 15 18 22 25 Option 2 1 x Gland packing Size mm 6 x 400 6 x 650 6 x 1183 (1) General standard data. Can be modified in particular cases. (2) In case of mechanical seal, 14

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11 Cross Section drawings

MA Cross sectional C-1282

901.1

923360.1 320

901.2

350

433.1

471

106

400.1

484

411.1

545.1

903.1

108.1

400.2

230

210

940.1

484

(a)545.2

433.2

(a)108.2

471

108.3

901.2

107

350

905

320

554

360.2

920

901.1

411.2 903.2

940.2

MZ Cross sectional C-1280

724901.1 400.1 903.1 411.1 920.1 106 545.1 230(a)

545.2(a)

108.1 108.2 108.3 411.4 903.4 107

400.2

902

920.4554.2

210

932

360

901.3

554.1920.2 903.2 411.2 905 940.1 400.3 545.3 484411.3 903.3 433 471 901.2 350 320 940.2

MZ, MA

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MA, MZ Detail with packing

461 453452

No. Denomination No. Denomination No. Denomination 106 Suction casing 433 Mechanical seal 800 Motor 107 Discharge casing 452 Packing gland 844 Rigid coupling 108 Stage casing 453 Gland nut 901 Hexagon head screw 210 Shaft 461 Packing 902 Bolt 230 Impeller 471 Mechanical seal cover 903 Plug 320 Bearing 484 Fixing washer 904 Setscrew 341 Pedestal 525 Spacer sleeve 905 Tie bolt 350 Bearing housing 545 Friction bearing bush (a) 920 Nut 360 Bearing cover 554 Flat washer 923 Bearing nut 400 Gasket 636 Grease nipple 932 Circlip 411 Circular gasket 724 Flange 940 Key (a) Only for two or more stages

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12 Dimensions MA BARESHAFT

Pump Size

Weight (kg)

DNs DNd A B C d D E F G H1 H2 H3 J K L l M N S t u

MA - 20 11 20 20 359 118 90 12 117 38 127 165 180 90 90 278 78 115 23 150 12 14 13,5 4MA - 25 18 25 25 377 120 112 17 110 40 148 186 210 100 110 293 110 160 23 196 14 14 19 5MA - 32 21 32 32 403 128 125 17 112 40 150 190 220 100 120 308 110 160 26 196 14 14 19 5MA - 40 35 40 40 505 158 160 20 152 55 144 220 264 132 132 370 110 160 23 200 18 14 22 5MA - 50 49 50 50 582 185 175 25 179 55 175 250 272 132 140 436 130 180 29 220 18 14 27,5 6

All dimensions in mm

MA GROUP WITH MOTOR

Pump Size

Motor Frame a b1 b2 c e E f h h3 L1 L2 L3 L5 S T x

71 240 500 300 MA - 20 80

90 260 300 274

118 50 151 245 155 600 400

100 61 18 6 4

71 240 80 274 MA - 25 90

112 320 360 331

128 50 150 285 165 620 390 115 64 18 6 4

71 240 80 274 MA - 32 90

125 320 360 331

128 50 150 285 165 620 390 115 75 18 6 4

71 240 80 274

620 390 115

90 331 MA -40

100

160 320 360

372

158 50 187 329 197 770 520 125

115 18 6 4

71 240 80 274 90 331

100 372 112

320 360

393

337 197 770 520 125 MA - 50

132

175

350 390 453

185 50 22

342 202 1000 700 150

126 18 6 4

All dimensions in mm

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MZ BARESHAFT

Pump Size

Weight (kg) DNs DNd A B C d D E F G H1 H2 H3 J K L l S t u

MZ - 11 11 1" 1" 258 95 114 12 90 50 85 206 210 90 90 12 115 150 25 14 13,5 4MZ - 21 14 1" 1" 261 94 122 15 90 62 106 227 220 100 110 15 160 196 30 14 17 5MZ - 31 17 1 ¼” 1 ¼” 288 113 121 15 100 62 106 237 235 100 120 15 160 196 30 14 17 5MZ - 41 27 1 ½” 1 ½” 369 154 156 20 118 165 211 380 290 132 132 18 160 200 40 14 22 5MZ - 51 33 2" 2" 426 192 182 25 125 210 250 441 307 132 140 15 160 200 40 14 27,5 6

All dimensions in mm

MZ GROUP WITH MOTOR

Pump Size

Motor Frame a b1 b2 c f h h1 h2 h3 L1 L2 L3 L5 S T x

71 240 MZ - 11 80

95 260 300 274

163 275 245 90 155 500 300 100 32 18 6 4

71 240 80 274

500 300 MZ - 21 90

94 260 300 331

167 285 255 110 165 600 400

100 14 18 6 4

71 240 80 274

500 300 MZ - 31 90

113 260 300 331

175 300 265 120 165 600 400

100 31 18 6 4

71 240 80 274 90 331

MZ - 41

100

154 320 360

372

215 355 315 132 197 770 520 125 31 18 6 4

71 240 80 274 90 331

100 372 112

320 360

393

372 322 197 770 520 125 4 MZ - 51

132

192

350 390 453

234

377 327

140

202 880 580 150

35 18 6

6 All dimensions in mm

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13 Coating 1 coat of 40 microns thickness of blue RAL 5010 paint. Painted surface maximum temperature 70 ºC.

14 Recommended spare parts stock for two years continuous operation

Number of pumps (including stand-by pumps)

Part Nº Description 1-2 3 4 5 6-7 8-9 10 and more

--- Gasket (set) 2 3 4 5 6 7 90% 433 Mechanical seal (set) 2 3 4 5 6 7 90% 461 Packing (set) 2 3 4 5 6 7 90% 320 Bearing (set) 1 1 2 2 2 3 30% 545 Friction bearing bush (set) 1 1 2 2 3 4 50% --- Coupling Flexible (set) 1 1 2 2 2 3 30%

932 Circlip (set) 1 1 2 2 2 3 30% 940 Key (set) 1 1 2 2 2 3 30% 210 Shaft 1 1 2 2 2 3 30% 230 Impeller (set) 1 1 2 2 2 3 30% 844 Coupling 1 1 2 2 2 3 30%

MZ, MA

KSB ITUR Spain, S.A. P.O. Box 41 – 20800 ZARAUTZ (Gipuzkoa) Spain Tel.: +34 943 899 899 – Fax +34 943 130 710 www.ksb-itur.es

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CTI

-170

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[12-

2008

]