Proizvodnja-Danaca-Mip-procesna
Proizvodnja-Danaca-Mip-procesna
Proizvodnja-Danaca-Mip-procesna
Proizvodnja-Danaca-Mip-procesna

Heads production

Heads are the most responsible parts of pressure vessels, tanks, and various other devices, apparatus, and pipelines in the process and oil industry, as well as in other economic branches.

Our heads manufacturing process uses the method of relative cold rolling and forming according to the principle of BOLDRINI – Italy. With this method of production, it is possible to produce heads of different shapes and dimensions in small batches or even individually, in contrast to deep drawing, which requires the production of very expensive tools.

Types of heads

Torispherical heads

Ellipsoidal heads

Dished heads

Flat heads

Dished discs

Inverted heads

Elliptical heads

“Suitcase” heads

Cones

Hemispherical heads

How to order

To correctly order the heads, it is important to define the purpose of the vessel (tank, apparatus) on which the head is to be installed. In this regard, there are two main types, that is, the heads to be installed on pressure vessels that are subject to inspection by the Designated Body for Pressure Equipment, and the heads to be installed on vessels and other tanks that do not fall under the jurisdiction of these institutions.

For pressure vessels, depending on the type and purpose of the vessel, the following regulations apply:

  1. Rulebook on technical requirements for design, manufacturing, and conformity assessment of pressure equipment;
  2. Rulebook on technical requirements for design, manufacturing, and conformity assessment of simple pressure vessels;
  3. The Pressure Equipment Directive (PED 2014/68/EU);
  4. The transportable pressure equipment Directive (TPED 2010/35/EU)
  5. A) A whole series of norms and standards covering these areas apply in addition to these main regulations. The heads intended for installation on vessels that are subject to these regulations are inspected and certified with a stamp by a representative of accredited institutions. They are subject to inspection before, during, and after completion of production at the manufacturer, and have certified technical documentation, which the user–vessel manufacturer enters into the Technical Documentation of the pressure vessel.

For all of the above reasons, such heads must be completely defined when ordering, which must be done by

the designer of the vessel or the plant in which the head is to be installed. For detailed ordering of pressure vessel heads, and inquiries about the offer, and production from the customer’s materials (service), it is necessary to consult our commercial and technical service, which provides the customer with an Inquiry Sheet with all the information required for the production

of heads. The following information must be specified in the purchase order:

  1. Name of the head and standard;
  2. Outer diameter;
  3. Minimum wall thickness or sheet thickness standardized to a higher value in which the thinning

of the sheet during processing is taken into account, which, for example, for steels with Re=240 N/mm2 equals up to 10% of thickness for Torispherical heads, and up to 15% of thickness for Ellipsoidal heads;

  1. Material quality and standard;
  2. Type and category of the vessel on which the head is to be installed;
  3. Working matter;
  4. Working conditions: pressure and temperatures;
  5. Special requirements related to the position of the welded joint, heat treatment, edge preparation, etc.
  6. B) The heads that are not intended for installation in pressure vessels, i.e. for general purposes or of commercial quality, can be ordered only by specifying the name of the head with the diameter and thickness, quality of the material, and possibly some additional requirements in terms of control, edge preparation, etc.

The manufacturer shall not be responsible for the heads ordered in this way if the customer installs them on pressure vessels or treats them in some other way that may cause a structural breakdown.

Torispherical heads – DIN 28011

 

Ds

[mm]

R

[mm]

        [mm

Hza s= 

Rundela

Ø [mm]

Zapremina bez h[lit]

Težina [kg] za s=1 mm

 

Ds

[mm]

s

[mm]

Rundela

Ø [mm]

3-6

mm

6-22

mm

3-5

mm

6-11

mm

12-20

mm

 

1)

500

500

60

95.

93

90

610

12,5

2,3

 

76,1

3

110

600

600

60

114

112

109

720

21,6

3,7

 

88,9

4

105

700

700

60

134

132

129

830

34

4,2

 

108

4; 5

139

2)

800

800

80

80

153

151

148

940

51

5,4

 

114,3

3

150

3)

900

900

100

172

170

167

1055

73

6,9

 

159

4; 5

205

1000

1000

100

192

190

187

1170

100

8,4

 

219,1

4; 5

268

4)

1100

1100

100

211

209

206

1290

133

10,3

 

267

6; 7

326

1200

1200

130

150

230

228

225

1420

173

12,3

 

276

3

358

5)

1300

1300

130

150

250

248

245

1530

220

14,2

 

300

3

392

1400

1400

150

269

267

264

1640

274

16,4

 

316

2,5

385

1500

1500

150

288

286

283

1745

338

18,8

 

323,9

5

387

1600

1600

150

308

306

303

1870

410

21,4

 

350

3,5

440

1700

1700

180

200

327

325

322

1980

490

24,2

 

368

5; 6

440

1800

1800

180

200

346

344

341

2100

583

26,9

 

400

2,5; 3; 4

480

1900

1900

200

366

364

361

2220

686

29,8

 

419

5

505

2000

2000

200

385

383

380

2300

800

32,9

 

450

2,5

530

2100

2100

200

404

402

399

2420

926

36,1

 

3; 6

530

2200

2200

250

424

422

419

2530

1065

39,4

 

470

5

572

2300

2300

250

443

441

438

2640

1217

43.1

 

2400

2400

250

462

460

457

2760

1382

46,8

 

6)

2500

2500

250

482

480

477

2880

1563

50,6

 

2600

2600

250

501

499

496

3000

1758

54,5

 

2700

2700

300

521

519

516

3110

1968

58,6

 

2800

2800

300

540

538

535

3220

2195

63,1

 

7)

2900

2900

300

559

557

554

3330

2439

67,5

 

3000

3000

300

578

576

573

3450

2700

72,1

 

3100

3100

300

598

596

593

3560

2979

76,8

 

3200

3200

350

618

616

613

3670

3277

81,6

 

3300

3300

350

637

635

632

3780

3594

86,7

 

3400

3400

350

656

654

651

3890

3930

91.8

 

3500

3500

350

675

673

670

4000

4288

97,1

 

3600

3600

350

694

692

689

4110

4666

102,6

 

3700

3700

400

714

712

709

4220

5065

108,2

 

3800

3800

400

734

732

729

4330

5487

113,9

 

3900

3900

400

753

751

748

4440

5932

119,9

 

4000

4000

400

772

770

767

4550

6400

125,9

 

 

  1. Smax=8mm, Smin=3mm
  2. Smax=10mm, Smin=3mm
  3. Smax=12mm, Smin=3mm
  4. Smax=14mm, Smin=3mm
  5. Smax=18mm, Smin=4mm
  6. Smax=22mm, Smin=4mm
  7. Smax=10mm, Smin=5mm

NAPOMENA: Maksimalne debljine danaca se odnose na vrste čelika sa Re240 N/mm2, za druge vrste materijala, i ne standardne dimenzije molimo Vas da kontaktirate proizvođača.

 

 

 

Ellipsoidal heads – DIN 28013

 

Ds

[mm]

R

[mm]

        [mm

Hza s= 

Rundela

Ø [mm]

Zapremina bez h[lit]

Težina [kg] za s=1 mm

3-6

mm

6-22

mm

3-5

mm

6-11

mm

12-20

mm

1)

600

480

100

 

151

148

143

760

28,1

3,6

700

560

100

 

176

173

168

870

44,6

4,7

2)

800

640

130

150

202

199

194

1000

66,6

6,0

 

900

720

130

150

227

224

219

1120

94,8

7,5

 

1000

800

150

252

249

244

1240

130

9,2

3)

1100

880

180

200

277

274

269

1360

173

11,1

4)

1200

960

180

200

303

300

295

1480

225

13,1

 

1300

1040

200

328

325

320

1590

286

15,2

5)

1400

1120

200

354

351

346

1700

357

17,4

1500

1200

250

379

376

371

1830

439

20,2

6)

1600

1280

250

405

402

397

1945

532

22,8

 

1700

1360

250

431

428

423

2060

639

25,6

1800

1440

300

456

453

448

2180

758

28,7

1900

1520

 

300

481

478

473

2310

892

32,3

2000

1600

 

300

507

504

499

2420

1040

35,2

2100

1680

 

350

532

529

524

2540

1204

38,5

2200

1760

 

350

558

555

550

2640

1384

42,0

2300

1840

 

350

584

581

576

2780

1582

46.0

2400

1920

 

400

608

605

600

2900

1797

51,0

2500

2000

 

400

634

631

626

3020

2031

55,0

 

2600

2080

 

400

660

657

652

3140

2285

59,6

2700

2160

 

400

685

682

677

3220

2559

64,1

2800

2240

 

400

712

709

701

3370

2854

68,9

7)

2900

2320

 

400

738

735

730

3490

3171

73,6

 

3000

2400

 

500

763

760

755

3600

3510

78,3

3100

2480

 

500

788

785

780

3705

3873

83,7

3200

2560

 

500

813

810

805

3820

4260

89,2

 

  1. Smax=8mm, Smin=3mm
  2. Smax=10mm, Smin=3mm
  3. Smax=14mm, Smin=3mm
  4. Smax=18mm, Smin=4mm
  5. Smax=20mm, Smin=4mm
  6. Smax=22mm, Smin=4mm
  7. Smax=22mm, Smin=5mm

NAPOMENA: Maksimalne debljine danaca se odnose na vrste čelika sa Re240 N/mm2, za druge vrste materijala, i ne standardne dimenzije molimo Vas da kontaktirate proizvođača.

 

 

Dished heads – EN 12285-1 / EN 12285-2

 

 

Ds

[mm]

r

[mm]

h2

[mm]

Rundela

Ø [mm]

Težina [kg] za s=1 mm

1)

900

50

128

980

5,92

1000

50

143

1090

7,32

 

1100

50

157

1190

8,73

 

1200

50

171

1300

10,40

 

1300

50

186

1410

12,30

 

1400

50

200

1520

14,20

2)

1500

80

100

214

1630

16,40

 

1600

80

100

228

1740

18,70

 

1700

80

100

243

1850

21,10

1800

80

100

257

1960

23,70

 

1900

80

100

271

2070

26,42

 

2000

80

100

285

2180

29,30

2100

80

100

300

2290

32,33

2200

80

100

314

2400

35,51

3)

2300

80

100

328

2500

38,53

2400

80

100

342

2600

41,68

2500

80

100

357

2705

45,11

2600

80

100

371

2810

48,67

2700

80

100

385

2910

52,21

2800

80

100

400

3015

56,04

4)

2900

80

100

414

3120

60,02

3000

80

100

428

3225

64,12

3100

80

100

442

3330

68,37

 

3200

80

100

457

3435

72,75

 

3300

80

100

471

3540

77,26

3400

80

100

485

3645

81,91

3500

80

100

499

3750

86,70

3600

80

100

514

3855

91,62

3700

80

100

528

3960

96,68

3800

80

100

542

4065

101,88

3900

80

100

557

4170

107,27

4000

80

100

571

4275

112,68

4100

80

100

585

4380

118,28

4200

80

100

600

4485

124,02

4300

80

100

614

4590

129,89

4400

80

100

628

4695

135,90

4500

80

100

642

4800

142,05

 

  1. Smax= 8mm, Smin=3mm
  2. Smax=22mm, Smin=3mm
  3. Smax=22mm, Smin=4mm
  4. Smax=22mm, Smin=5mm

NAPOMENA: Maksimalne debljine danaca se odnose na vrste čelika sa Re≤240 N/mm2, za druge vrste materijala, i ne standardne dimenzije molimo Vas da kontaktirate proizvođača.

Flat heads

 

Ds

[mm]

r

[mm]

Rundela

Ø [mm]

Težina [kg] za s=1 mm

1)

500

50

570

1,95

600

60

680

2,25

 

700

60

780

3,08

 

800

60

880

4,02

 

900

50

980

5,10

2)

1000

50

1100

6,28

 

1100

50

1200

7,60

 

1200

50

1300

9,05

3)

1300

50

1400

10,62

1400

50

1520

12,31

4)

1500

50

1620

14,14

5)

1600

50

1720

16,08

6)

1700

50

1820

18,16

1800

50

1920

20,36

 

1900

50

2020

22,68

7)

2000

50

2120

25,13

2100

50

2220

27,71

2200

50

2320

30,41

2300

50

2420

33,24

2400

50

2520

36,20

 

2500

50

2620

39,27

2600

50

2720

42,47

2700

50

2820

45,80

 

2800

50

2920

49,26

 

2900

50

3020

52,84

3000

50

3120

56,55

 

  1. Smax= 8mm, Smin=3mm
  2. Smax=12mm, Smin=3mm
  3. Smax=14mm, Smin=3mm
  4. Smax=16mm, Smin=4mm
  5. Smax=16mm, Smin=5mm
  6. Smax=18mm, Smin=5mm
  7. Smax=22mm, Smin=5mm

NAPOMENA: Maksimalne debljine danaca se odnose na vrste čelika sa Re≤240 N/mm2, za druge vrste materijala, i ne standardne dimenzije molimo Vas da kontaktirate proizvođača.

 

Dished discs

 

Ds

[mm]

h2

[mm]

V

[lit.]

Rundela

Ø [mm]

Težina [kg] za s=1 mm

300

40

1,45

320

0,63

400

54

3,45

420

1,09

500

67

6,70

525

1,70

600

80

11,60

625

2,41

700

94

18,50

730

3,28

800

107

27,60

830

4,25

900

121

39,30

935

5,39

1000

134

53,90

1040

6,66

1100

147

71,70

1145

8,08

1200

161

91,10

1245

9,55

1300

174

118,30

1350

11,20

1400

188

148

1455

13,00

1500

201

182

1560

15,00

1600

214

221

1660

17,00

1700

228

265

1765

19,20

1800

241

314

1870

21,50

1900

255

370

1975

24,00

2000

268

431

2080

26,70

2100

281

499

2185

29,40

2200

295

574

2285

32,20

2300

308

655

2390

35,20

2400

322

745

2495

38,40

2500

335

842

2600

41,70

2600

348

947

2700

44,90

2700

362

1060

2805

48,50

2800

375

1183

2910

52,20

2900

389

1314

3015

56,00

3000

402

1455

3120

60,00

3100

415

1605

3225

64,10

3200

428

1765

3330

68,30

3300

442

1936

3435

72,70

3400

456

2117

3540

77,20

3500

469

2310

3640

81,60

3600

482

2514

3745

86,40

3700

496

2729

3850

91,30

3800

509

2956

3950

96,10

3900

523

3196

4060

101,60

4000

536

3448

4160

106,60

4100

549

3713

4265

112,10

4200

563

3991

4370

117,70

4300

576

4283

4470

123,10

4400

590

4589

4575

129,00

4500

603

4909

4680

135,00

4600

616

5244

4785

141,10

NAPOMENA: Maksimalne debljine danaca se odnose na vrste čelika sa Re240 N/mm2, za druge vrste materijala, i ne standardne dimenzije molimo Vas da kontaktirate proizvođača.

 

Inverted heads

 

Ds

[mm]

Rundela

Ø [mm]

Težina [kg] za s=1 mm

1)

600

670

2,78

700

775

3,70

 

800

880

4,77

 

900

980

5,92

 

1000

1085

7,25

2)

1100

1190

8,73

 

1200

1300

10,40

 

1300

1410

12,30

 

1400

1520

14,20

1500

1630

16,40

 

1600

1740

18,70

 

1700

1850

21,10

1800

1960

23,70

1900

2065

26,30

 

2000

2170

29,00

2100

2275

31,90

2200

2380

34,90

2300

2485

38,10

  1. Smax= 8mm, Smin=3mm
  2. Smax=22mm, Smin=3mm

NAPOMENA: Maksimalne debljine danaca se odnose na vrste čelika sa Re≤240 N/mm2, za druge vrste materijala, i ne standardne dimenzije molimo Vas da kontaktirate proizvođača.






 

Elliptical heads

 

Model

A

B

t

R

r

H

h

R1

R2

Površina popreč. preseka [dm]

Zapremina

[lit]

Obim

Težina za s=3 mm [kg]

1

1500

1100

 

3-4

4000 ÷

4500

30

90

÷ 120

 

25

957

452

129,9

80

5

37

2

1700

1100

1218

433

147,7

95

4480

42

3

1800

1300

1161

531

184,2

135

4920

51

4

2050

1500

1308

620

242,2

190

5635

66

5

2200

1500

1492

594

260

230

5890

71

6

2394

994

2600

325

189,5

70

5625

53

7

2150

1600

1350

664

270,6

240

5940

78

8

2100

1300

1552

491

215,4

180

5450

79

Ukupne dimenzije pripremka A1xB1

A1=A + 140 mm;

 B1=B + 140 mm.

Debljina t=4 mm za čelike Re= 240 N / mm2

NAPOMENA: Maksimalne debljine danaca se odnose na vrste čelika sa Re≤240 N/mm2, za druge vrste materijala, i ne standardne dimenzije molimo Vas da kontaktirate proizvođača.

“Suitcase” heads

Model

A

B

C

t

R

r

H

 

h

D

E

F

G

1

1806

1140

570

 

3-4

4000 ÷

4500

30

90

÷ 120

 

25

1096

1096

139

139

2

2150

1550

775

30

1406

1406

290

290

3

2150

1750

775

30

1406

1312

290

508

4

2200

1410

705

25

1478

1478

205,5

205,5

5

2200

1560

705

25

1478

1429

205,5

365,5

6

2200

1470

650

25

1488

1443

148

328

7

1820

1520

760

25

1061

1061

334,5

334,5

8

2479

1677

838,5

35

1811

1811

382

382

 

Ukupne dimenzije pripremka A1xB1

A1=A + 140 mm;

 B1=B + 140 mm.

 

Debljina t=4 mm za čelike Re= 240 N / mm2

 

NAPOMENA: Maksimalne debljine danaca se odnose na vrste čelika sa Re≤240 N/mm2, za druge vrste materijala, i ne standardne dimenzije molimo Vas da kontaktirate proizvođača.

 

Model

R1, R2

R3

r1,r2

Površina popreč. preseka [dm]

Zapremina [lit]

Obim

Težina (čelik) [kg]

1

2250

2250

350

178,3

115

4990

50

2

2250

2250

350

288,7

265

6250

104

3

2250

2250

350

328,1

305

6600

117

4

2250

2250

350

264,6

205

6065

72

5

2250

2250

350

295,9

230

6340

80

6

2250

2250

350

276,9

215

6170

75

7

2250

2250

350

245,2

220

5700

67

8

3000

2460

300

369,9

415

7120

170

Cones

KONUSNO DANCE

Ds

d

r

h

H

s

600

125

50

≤ 5s

do 900

 

4000

1000

200

 

Hemispherical heads

Segmentna danca (polulopte)

Ds

s

900 ÷ 6000

3 ÷ 22