call back
Back to Top

Duofit D30 shaped version for repairson sleeve collars of asbestos cement pipes, DCI pipes sockets, on a "GIBAULT" type joints, PE electrowelded fittings without interruption of supply.

Duofit D30 version can be also used for hot tapping techniques on pipes of any material and diameter with running fluids.

Central body
Carbon steel central body conveniently built in order to allow a perfect insertion of the gasket inside its dedicated conical seat.

Compression ring
Carbon steel compression followers which allow compression of the gasket onto the pipe surface upon tightening the bolts.

Gasket
Truncated-cone sealing gasket which can be perfectly inserted between the central body of the coupling and the circumference of the pipe. It allows a complete hydraulic seal and a 30 mm tolerance range on the pipe OD.

Bolt holes
Round or square holes for the bolt insertion.

Compression bolts
The compression bolts allow the approaching of the compression flanges and the consequent compression of the gasket onto the pipe.

Shaping
Manufactured in carbon steel, designed according to the length and the diameter of the pipe or of the sleeve to be repaired, in order to perfectly cover them.

Lateral plates
Manufactured in carbon steel, they allow the union of the two longitudinal shells of the DUOFIT allowing the repairing of the leak.

Lateral gasket
Lateral gasket with square section, it is compressed between the lateral plates and allows the hydraulic seal along the entire length of the Duofit.

Upper and lower outlets
They allow the DUOFIT assembly decreasing the pressure during the installation. They are also used in order to test the DUOFIT tightness once the installation is completed.

Straight version
Straight version for repairing pipeline straight sections.

Separate followers version
The bolts tightening is independent in order to improve the coupling centering and the performances of the gasket.

Duofit D30 Shaped Version Technical Specifications

 

DN

Ø D

MOP (PN)

Shaping Length L1

Shaping ID

Ø L1

Total Length L2

Max. External Dimension Ø C

No. Flange Bolts N

No. Lateral Plates Bolts B

 

Weight

Min.

Max.

350

360

390

6-10-16

 

260

500

 

752

553

16

 

22

215

400

415

445

6-10-16

560

608

20

232

450

465

495

6-10-16

600

658

24

246

500

515

545

6-10-16

670

708

24

266

600

615

645

6-10-16

780

808

28

300

700

720

750

6-10-16

 

300

890

 

792

913

32

 

26

343

800

825

855

6-10-16

1000

1018

36

379

900

930

960

6-10-16

1110

1123

40

410

1000

1030

1060

6-10-16

1220

1223

44

451

1100

1135

1165

6-10-16

1320

1328

48

483

1200

1240

1270

6-10-16

1430

1433

52

519

1400

1445

1475

6-10-16

1680

1638

60

610

1600

1650

1680

6-10-16

 

350

1890

 

842

1843

68

700

1800

1860

1890

6-10-16

1940

2053

76

801

2000

2065

2095

6-10-16

2140

2258

84

891

300

330

360

6-10-16

 

260

460

 

752

523

16

 

22

202

350

385

415

6-10-16

520

578

20

221

400

440

470

6-10-16

600

633

24

245

450

495

525

6-10-16

660

688

24

263

500

555

585

6-10-16

730

748

28

286

600

665

695

6-10-16

 

300

850

 

792

858

32

 

26

332

700

780

810

6-10-16

990

973

32

376

800

890

920

6-10-16

1120

1083

36

420

900

1005

1035

6-10-16

1240

1198

44

463

1000

1120

1150

6-10-16

1360

1313

48

503

355

340

370

6-10-16

350

460

842

533

20

26

219

400

385

415

6-10-16

400

520

892

578

20

 

30

244

450

435

465

6-10-16

440

560

932

628

24

266

500

485

515

6-10-16

460

620

952

678

24

288

560

545

575

6-10-16

500

680

992

738

28

32

316

630

615

645

6-10-16

 

550

770

 

1042

808

28

356

710

695

725

6-10-16

870

888

32

34

392

800

785

815

6-10-16

970

978

32

36

426

900

885

915

6-10-16

570

1080

1062

1078

36

38

472

1000

985

1015

6-10-16

1190

1178

40

40

513

1100

1085

1115

6-10-16

600

1290

1092

1278

44

44

558

1200

1185

1215

6-10-16

620

1410

1112

1378

48

48

612

  • This chart is for indicative purposes. Nova Siria srl can vary the indicated standards (tolerance range, dimensions and materials) according to specifications requested by Customers or to designing needs.
  •