Big size ductile iron material flange gate valve

 No.

Part Name

Specification

1

Body

Ductile Iron GGG50

2

Wedge

Ductile Iron GGG50

3

Wedge Coating

NBR /EPDM EN 681-1

4

Wedge Nut

Copper Alloy

5

Stem

Stainless  Steel  X20 Cr13

6

Bonnet Gasket

NBR /EPDM EN 681-1

7

Bonnet

Ductile Iron GGG50

8

O Ring Back Sealing

EPDM/NBR

9

Down Bushing

Copper Alloy

10

O Ring

EPDM/NBR

11

Stem Collar

Stainless  Steel / Brass

12

O-Ring

EPDM/NBR

13

O-Ring

EPDM/NBR

14

Gland Flange

Ductile Iron GGG50

15

Stuffing Cork

Copper Alloy

16

Dust Guard

EPDM/NBR

17

HandWheel

Ductile Iron GGG50

18

Stem Cap

Ductile Iron GGG50

 
Size

L

 
D

 
b

EN 1092-2 PN10

EN 1092-2 PN16

 
H

 
W

W.T(kg )

F4

F5

D1

D2

n-d

D1

D2

n-d

F4

F5

DN350

290

550

520

26.5

460

429

16-23

470

429

16-28

762

450

175

220

DN400

310

600

580

28

515

480

16-28

525

480

16-31

836

450

223

290

DN450

330

650

640

30

565

530

20-28

585

548

20-31

957

640

322

420

DN500

350

700

715

31.5

620

582

20-28

650

609

20-34

1036

640

365

470

DN600

390

800

840

36

725

682

20-31

770

720

20-37

1188

640

539

700

DN700

430

900

910

39.5

840

794

24-31

840

794

24-37

1450

800

700

910

DN800

470

1000

1025

43

950

901

24-34

950

901

24-41

1660

1000

950

1235

DN1000

550

1200

1255

50

1160

1112

28-37

1170

1112

28-44

2100

1000

1400

1820