Desmi PVLN Series Guide de dépannage

OPERATION AND MAINTENANCE INSTRUCTIONS

DESMI in-line centrifugal pump

PVLN,PVLB,PVLS and PVLJ

DESMI PUMPING TECHNOLOGY A/S

Tagholm 1 –DK-9400 Nørresundby –Denmark

Tel.:

+45 96 32 81 11

Fax:

+45 98 17 54 99

E-mail:

[email protected]

Internet:

www.desmi.com

Special pump No..................................................

Manual:

T1306

Language:

English

Revision:

H(11/19)

Contents

1. PRODUCT DESCRIPTION........................................................................................................................................1

2. TECHNICAL DATA..................................................................................................................................................1

2.1. TECHNICAL DATA FOR PUMPS WITH ITEM NUMBER PVLNXXXX.XX-0XX ........................................................... 1

2.2. TECHNICAL DATA FOR PUMPS WITH ITEM NUMBER 69 XX XX........................................................................... 5

2.3. EXPLANATION OF THE TYPE DESIGNATION........................................................................................................ 5

2.4. 2.4 TECHNICAL DESCRIPTION............................................................................................................................. 6

3. INSTALLATION ......................................................................................................................................................7

4. TRANSPORT/STORAGE .........................................................................................................................................8

5. START-UP .............................................................................................................................................................8

6. SYSTEM BALANCING.............................................................................................................................................9

7. MAINTENANCE ...................................................................................................................................................10

8. DISMANTLING ....................................................................................................................................................10

9. REPAIRS..............................................................................................................................................................10

9.1. REPLACING THE IMPELLER (2) .......................................................................................................................... 10

9.2. REPLACING SEAL RINGS (16 AND 17)................................................................................................................ 10

9.3. REPLACING SHAFT SEAL (22) ............................................................................................................................ 10

9.4. REPLACING BALL BEARINGS IN MOTOR ........................................................................................................... 11

10. TESTING..............................................................................................................................................................12

11. EU DECLARATION OF CONFORMITY....................................................................................................................14

12. INFORMATION RELEVANT FOR DISASSEMBLY OR DISPOSAL AT END-OF-LIFE.....................................................15

13. POSITION NUMBERS –PUMP (SEE NEXT PAGES FOR PVLN1025 & 1040)............................................................15

14. ASSEMBLY DRAWING-PUMP (SEE NEXT PAGES FOR PVLN1025 & 1040).............................................................16

15. POSITION NUMBERS –PVLN1025 & 1040...........................................................................................................17

16. ASSEMBLY DRAWING –PVLN1025 & 1040..........................................................................................................18

______________________________________________________________________________

DESMI Pumping Technology A/S P a g e | 1

9400 Nørresundby –Denmark

Tel: +45 96 32 81 11 Fax: +45 98 17 54 99

E-mail: [email protected]

www.desmi.com

1. PRODUCT DESCRIPTION

These operation and maintenance instructions apply to the pump series PVLN, PVLB, PVLS, and

PVLJ.

The pumps are manufactured in sizes ranging from 25 mm to 200 mm flanges. The pumps are

centrifugal pumps "in-line type", i.e. the suction and pressure flanges have a common centre line

and the same dimensions.

The pumps are driven by an electric motor which may be a standard AC motor or a DC motor. The

impeller is mounted on the motor shaft at a shaft extension. The pumps are equipped with a

mechanical seal shaft and have holes in the bracket for inspection of leaks. Very big holes are

provided with a fixed guard.

2. TECHNICAL DATA

The pumps are divided into two groups. The item number of one of the groups is of the type

PVLNXXXX.XX-0XX, whereas the other group has a 6-digit item number of the type 69 XX XX.

As regards pumps with item number 69 XX XX –see page 6.

2.1. TECHNICAL DATA FOR PUMPS WITH ITEM NUMBER PVLNXXXX.XX-0XX

The material combination appears from the pump type and is expressed by the last 3 figures, for

example PVLN0080.21-004.

There are 5 standard material combinations 001, 002, 003, 004 and 005.

PVLN 1025/PVLN 1040

Material Code

Impeller

Elastomer

001/005

Rg5

EP-rubber

002/003

Rg5

Nitrile rubber

004

Rgl0

Nitrile rubber

PVLN1050...PVLN2200

Material Code

Impeller

Seal Rings

Elastomer

Stop Rings

001

GG20

Rg5

EP-rubber

Rg5

002

Rg5

EP-rubber

Rg5

003

GG20

Rg5

Nitrile rubber

Rg5

004

GG20

Stainless 1)

Nitrile rubber

Stainless 1)

005

Rgl0

Stainless 1)

Nitrile rubber

Stainless 1)

1)Stainless steel DIN designation X5CrNiMol7133.

Pump casing and top piece GG20.

Pump shaft stainless steel DIN designation X8CrNiMo275.

______________________________________________________________________________

DESMI Pumping Technology A/S P a g e | 2

9400 Nørresundby –Denmark

Tel: +45 96 32 81 11 Fax: +45 98 17 54 99

E-mail: [email protected]

www.desmi.com

Size

Material Code

Field of Application

PVLN1025/1040

001

002

005

Pumping of clean water and

weak aqueous solutions of

non-aggressive chemicals

PVLN1050. ..2200

001

Size

Material Code

Field of Application

PVLN1025/1040

001

Same application as above,

but

002

where there is a risk of rusting

005

at the impeller because of a

long standstill.

PVLN1050. ..2200

002

Size

Material Code

Field of Application

PVLN1025/1040

001

002

005

Brine, glycol, softened chloric

fresh water for swimming

baths.

PVLN1050...2200

003

Size

Material Code

Field of Application

PVLN1025/1040

003

004

Soda lye (004 for

PH< 9 only).

PVLN1050. ..2200

004

Size

Material Code

Field of Application

PVLN1025/1040

003

004

Chloric saline water for

Swimming baths.

PVLN1050...2200

005

Permissible temperatures from -30°C to +120°C. EP - rubber cannot be used for mineral oils/grease.

Apart from the above material codes the pumps are available in special material combinations for

other liquids. Material codes higher than 005 are used for special material combinations. For special

codes fill in the following:

Pump type : .........................................................................

Pump No. : .........................................................................

Application : .........................................................................

Comments : .........................................................................

______________________________________________________________________________

DESMI Pumping Technology A/S P a g e | 3

9400 Nørresundby –Denmark

Tel: +45 96 32 81 11 Fax: +45 98 17 54 99

E-mail: [email protected]

www.desmi.com

When using the pump for other media the operator is responsible for checking that the specified

materials in the pumps are in order. In case of doubt, contact the supplier.

The noise level for the airborne noise appears from the following list. The values indicated are

measured as middle values at a distance of l m from the machine surface in free field approx. 1.5 m

above the base plate. The sound pressure levels are general directional values which cannot be

regarded as guarantee values for each individual pump, as the sound level of a pump is to a large

extent dependent on the installation method and the operating conditions. The measuring comprise

the pump including the motor.

Sound pressure level for the PVLN-pumps:

PVLN Type

dB(a)

PVLN Type

dB(a)

1050.81

1100.41

1050.61

2100.61

1050.27

2100.41

1050.22

2125.62

1050.21

2125.44

1065.61

2125.43

1065.42

2125.42

1065.41

2125.41

2065.23

2150.82

2065.22

2150.62

1065.21

2150.61

0080.61

2150.43

0080.42

2150.42

0080.41

2150.41

0080.22

2200.82

0080.21

2200.81

2080.42

2200.62

2080.41

2200.61

2080.23

2200.44

2080.22

2200.43

2080.21

2200.42

1100.61

2200.41

Environment: The pumps are as a standard equipped with motors with protection class IP54, which

means that the motor is protected against penetrating dust and that water without pressure does not

damage the motor. The motors are dimensioned for an ambient temperature of 40°C. Pumps installed

in explosive areas must be equipped with explosion-proof motors. The pump capacity is stamped on

the name plate.

______________________________________________________________________________

DESMI Pumping Technology A/S P a g e | 4

9400 Nørresundby –Denmark

Tel: +45 96 32 81 11 Fax: +45 98 17 54 99

E-mail: [email protected]

www.desmi.com

The weight and dimensions of the pump appear from the following table.

The weight comprises an AC motor in cast iron.

Type

Flange

Max.

Min.

Max.

NxM

Weight

1025.21

1025.22

1025.23

25 mm

115

434

409

397

374

349

337

150

137

186

162

202

101

300

150

4xø14

30 kg

1025.41

1025.42

115

382

322

302

127

140

202

101

300

150

4xø14

25 kg

1025.61

1025.62

115

360

300

127

140

202

101

300

150

4xø14

25 kg

1040.21

1040.22

1040.23

1½"

40 mm

150

110

568

487

457

488

407

377

166

154

150

224

200

186

224

105

119

350

175

4xø18

50-55 kg

45-50 kg

40-45 kg

1040.41

1040.42

1040.43

150

110

400

405

320

325

137

127

162

140

224

105

119

350

175

4xø18

35 kg

30 kg

1040.61

1040.62

1040.63

150

110

383

303

127

140

224

105

119

350

175

4xø18

30 kg

1050.21

1050.22

1050.23

1050.27

1050.28

2“

50 mm

165

102

125

649

576

545

510

485

559

486

455

420

395

110

184

166

154

150

249

224

200

186

265

125

140

400

200

4xø18

75-90 kg

60-70 kg

55-65 kg

50-55 kg

45-50 kg

1050.41

1050.42

1050.43

165

102

125

460

370

110

137

162

265

125

140

400

200

4xø18

40 kg

1050.61

1050.81

165

102

125

460

370

110

137

162

265

125

140

400

200

4xø18

40 kg

1065.41

1065.42

1065.61

2 ½

65 mm

185

122

145

470

370

100

110

137

162

285

130

155

440

220

4xø18

50 kg

45 kg

50 kg

2065.21

2065.22

2065.23

185

122

145

815

658

705

548

110

125

242

224

184

313

305

249

350

175

450

225

4xø18

150-195 kg

145-155 kg

100-115 kg

2065.41

2065.42

185

122

145

564

520

454

410

110

125

154

150

200

186

350

175

450

225

4xø18

90-95 kg

85-90 kg

0080.21

0080.22

0080.23

80 mm

200

138

160

699

679

642

579

559

522

120

184

166

249

224

320

150

170

480

240

8xø18

90-105 kg

85-100 kg

75-80 kg

0080.41

0080.42

0080.43

0080.61

200

138

160

530

505

492

490

410

385

372

370

120

150

137

186

162

320

150

170

480

240

8xø18

60-65 kg

55-60 kg

50-55 kg

______________________________________________________________________________

DESMI Pumping Technology A/S P a g e | 5

9400 Nørresundby –Denmark

Tel: +45 96 32 81 11 Fax: +45 98 17 54 99

E-mail: [email protected]

www.desmi.com

Type

Flange

Max.

Min.

Max.

NxM

Weight

2080.21

2080.22

2080.23

80 mm

200

138

160

882

830

752

700

130

120

255

242

224

330

313

305

380

175

205

540

260

280

8xø18

180-220 kg

155-200 kg

150-165 kg

2080.41

2080.42

200

138

160

579

449

130

120

154

200

380

175

205

540

260

280

8xø18

80-85 kg

75-80 kg

1100.41

1100.42

1100.61

1100.81

100 mm

100

220

158

180

631

600

555

486

455

410

145

125

166

154

150

224

200

186

375

170

205

590

270

320

8xø18

90-100 kg

80-90 kg

75-80 kg

2100.41

2100.61

100

220

158

180

699

594

559

454

140

125

184

154

249

200

430

195

235

620

300

320

8xø18

115-125 kg

90-95 kg

2125.41

2125.42

2125.43

2125.44

2125.45

125 mm

125

250

188

210

1035

977

930

822

781

835

777

730

622

581

200

170

255

224

205

184

351

330

305

260

249

460

205

255

800

400

8xø18

300-315 kg

265-300 kg

240-255 kg

190-210 kg

180-190 kg

2125.62

125

250

188

210

701

501

200

170

166

224

460

205

255

800

400

8xø18

165-170 kg

2150.41

2150.42

2150.43

2150.44

150 mm

150

285

212

240

1123

1070

1012

963

910

852

160

175

327

261

255

392

351

330

625

285

340

925

475

450

8xø22

465-490 kg

410-425 kg

395-410 kg

355-390 kg

2150.61

2150.62

150

285

212

240

960

857

800

697

160

175

224

205

305

260

625

285

340

925

475

450

8xø22

335-350 kg

790-310 kg

2150.82

150

285

212

240

857

697

160

175

205

260

625

285

340

925

475

450

8xø22

290-300 kg

2200.41

2200.42

2200.43

2200.44

2200.45

200 mm

200

340

268

295

1291

1278

1174

1130

1101

1088

984

940

190

345

327

261

255

442

392

351

710

310

400

1095

565

530

8xø22

665-730 kg

605-655 kg

550-575 kg

505-520 kg

485-500 kg

2200.61

2200.62

200

340

268

295

1072

1020

882

830

190

255

224

330

305

710

310

400

1095

565

530

8xø22

460-480 kg

440-455 kg

2200.81

2200.82

2200.83

200

340

268

295

1020

956

830

766

190

224

205

305

260

710

310

400

1095

565

530

8xø22

430-445 kg

415-430 kg

400-410 kg

2.2. TECHNICAL DATA FOR PUMPS WITH ITEM NUMBER 69 XX XX

The pumps are manufactured in various material combinations, which appear from the type

designation on the nameplate. See below.

2.3. EXPLANATION OF THE TYPE DESIGNATION

All PVLN pumps are provided with a nameplate. The type designation indicated on the nameplate is

built up as follows:

PVLNYYXX/MR-Z

XX: Pressure branch diameter

M: The material combination of the pump

R: The assembly combination of the pump

Z: Other variants

M may be the following:

A: Casing and shaft seal cover : Cast iron + cast iron alloy. Impeller and sealing rings: Bronze

(Rg10)

D: Casing and shaft seal cover : Bronze (Rg5). Impeller and sealing rings: Bronze (Rg10)

E: Special materials

The pumps can be delivered in other material combinations according to agreement with the supplier.

R may be the following:

12: .........................................................................Monobloc, without bearing in the pump

______________________________________________________________________________

DESMI Pumping Technology A/S P a g e | 6

9400 Nørresundby –Denmark

Tel: +45 96 32 81 11 Fax: +45 98 17 54 99

E-mail: [email protected]

www.desmi.com

Z may be the following:

i : PN16 flanges

j : PN25 flanges

k : Special flange

l : Other shaft seal

m : BS flanges

n : ANSI flanges

o : Shockproof design

p : Other design

q : JIS flanges

Any use of the pump is to be evaluated on the basis of the materials used in the pump. In case of

doubt, contact the supplier.

Pumps in material combinations A are primarily used for fresh water.

Pumps in material combination D are primarily used for seawater.

If the pumps are designed for special purposes the following is to be indicated:

Pump No. :

Pump type :

Application :

Comment :

2.4. 2.4 TECHNICAL DESCRIPTION

The noise level indicated is the airborne noise including the motor. The noise depends on the motor

type supplied, as the noise from the pump can be calculated as the noise level of the motor + 2dB(A).

The noise level is for pumps with electric motors.

The capacity of the pump appears from the nameplate on the pump. If the pump has been delivered

without motor, the pump capacity is to be indicated on the plate when mounting the motor.

The permissible loads on the flanges appear from the following table. The values apply to standard

pumps in bronze (Rg5) and cast iron (GG20). As to pumps in SG iron (GGG40) the values are to be

increased by factor 1.5.

Permissible loads and torques on pump flanges:

______________________________________________________________________________

DESMI Pumping Technology A/S P a g e | 7

9400 Nørresundby –Denmark

Tel: +45 96 32 81 11 Fax: +45 98 17 54 99

E-mail: [email protected]

www.desmi.com

Piping

Forces (N)

Torques (Nm)

F

M

250

320

250

480

300

150

260

420

Horizontal pipeline

at right angles to the

shaft

400

500

650

500

600

840

400

550

750

1000

1340

400

450

510

200

250

310

300 350

380

550

600

700

Suction and pressure

800

950

850

1500

550

350

400

750

flanges above level

of installation

100

125

1000

1250

1600

1150

1430

2000

2500

650

830

400

520

500 650

900 1150

150

1500

1900

1700

2950

1000

650

800

1400

200

2000

2520

2200

3920

1330

860

1060

1860

In connection with the permissible loads on the flanges indicated in the above table there is the

following limitation:

































epermissiblMax

calculated

epermissiblMax

calculated

3. INSTALLATION

Insert the pump in the pipeline in the same way as a valve. The pump can be inserted in both

horizontal and vertical pipes, but not in a horizontal pipe if the motor is placed below horizontal level.

The max. loads on the flanges appear from the technical description.

When installing the pump check that it is earthed to avoid an electrical potential in the pump.

At installations pumping hot or very cold liquids the operator must be aware that it

is dangerous to touch the pump surface, and he is to take the necessary safety measures.

______________________________________________________________________________

DESMI Pumping Technology A/S P a g e | 8

9400 Nørresundby –Denmark

Tel: +45 96 32 81 11 Fax: +45 98 17 54 99

E-mail: [email protected]

www.desmi.com

4. TRANSPORT/STORAGE

The pumps are to be lifted as shown. The weights

of the pumps are stated in the technical description.

Before shipment the pump is to be fastened securely

on a pallet or the like. The centre of gravity will be

on the centre line of the motor.

The pump is to be stored in a dry area.

5. START-UP

Before starting the pump for the first time check that the electrical data of the motor

correspond to the network.

Connect the motor according to the wiring diagram in the cover of the terminal box

and provide it with a motor protection according to the rules. The motor protection to be

adjusted in accordance with the supplier's instructions. The work is to be carried out by

skilled workmen and is to observe the rules and regulations in force.

In order to protect the shaft seal the pump must never run dry.

If there is a positive suction lift, open the valve on the suction side of the pump and evacuate the air

through the air vent screw (5). If there is no positive suction lift, the plant must be equipped with a foot

valve or a non-return valve on the suction side.

Prime the pump while the air vent screw (5) is kept open. When the pump has been filled with water,

and the air has been evacuated, the system can be started. Check the direction of rotation. If the

direction is incorrect interchange 2 of the power cords. The direction of rotation is indicated by an

arrow. Make sure the bearings are running correctly and that they do not become warm.

Ce manuel convient aux modèles suivants

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