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Round door
Model: 74DD
Nominal diameter: DN100 ~ 2200mm
Nominal pressure: PN0.05MPa
air, flue gas, dust-containing gas, combustible gas: Medium
Temperature: ≤400 ° C
Leak rate: ≤3%

DN

D

D1

D2

B

L

&

& d

d1

Number of spiral holes

mm

100

195

100

160

80

177

14

17 * 17

14

4

150

250

150

215

80

238

14

17 * 17

14

8

200

305

200

270

80

270

16

17 * 17

14

8

250

365

260

330

90

300

16

17 * 17

14

12

300

430

310

385

180

342

18

17 * 17

14

12

350

480

360

435

180

367

18

17 * 17

14

12

400

535

410

490

180

392

20

17 * 17

18

12

450

585

460

540

180

417

20

17 * 17

18

12

500

645

520

600

180

447

20

17 * 17

18

16

600

745

620

700

180

497

20

17 * 17

18

16

700

850

710

800

260

570

22

32 * 32

18

20

800

950

810

900

260

620

22

32 * 32

18

20

900

1050

910

1000

260

670

22

32 * 32

18

20

1000

1150

1010

1100

260

720

22

32 * 32

22

20

1100

1250

1110

1200

300

790

24

32 * 32

22

20

1200

1350

1210

1300

300

840

24

32 * 32

22

20

1300

1450

1310

1400

300

890

24

32 * 32

22

24

1400

1550

1410

1500

300

940

24

32 * 32

22

28

1500

1650

1510

1600

300

990

24

36 * 36

22

28

1600

1760

1610

1700

350

1040

24

36 * 36

22

28

1800

1963

1810

1910

400

1140

24

42 * 42

26

28

2000

2163

2010

2110

500

1240

24

42 * 42

26

32

2200

2390

2200

2340

550

1320

24

56 * 56

28

36

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