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1

Body

ASTM A216 Gr.WCB

2

Seat ring

ASTM A105+STL No.6

3

Disc

ASTM A105+13Cr

4

Stem

ASTM A182 F6a

5

Gasket

304S.S.Jacketed Graphite

6

Bonnet

ASTM A216 Gr.WCB

7

Bonnet bolt

ASTM A193 Gr.B7

8

Bonnet nut

ASTM A194 Gr.2H

9

Back seat

ASTM A276 410

10

Packing

Graphite

11

Gland bolt

ASTM A193 Gr. B7

12

Gland nut

ASTM A194 Gr.2H

13

Pin

C.S.

14

Gland

ASTM A276 410

15

Gland flange

ASTM A216 Gr.WCB

16

Stem nut

Aluminum Bronze

17

Screw

C.S.

18

Handwheel

Malleable Iron

19

Washer

C.S.

20

Nut

C.S.

21

Disc cover

ASTM A276 410

22

Washer

S.S

Face to face and end to end dimension:
ASME B16.10

Shell Wall thickness: API 600

Flange dimension: ASME B16.5

B.W. end to ASME B16.25

8" and smaller valves have a one-piece bonnet and yoke design
10"and larger valves have a two-piece bonnet and yoke design.

Valve size

in.
mm

11/2

2

21/2

3

4

5

6

8

10

12

14

16

40

50

65

80

100

125

150

200

250

300

350

400

L-L1 (RF-BW)

in.
mm

9

10.5

11.5

12.5

14

15.75

17.5

22

24.5

28

33

34

229

267

292

318

356

400

444

559

622

711

838

864

L2 (RTJ)

in.
mm

9.5

11.12

12.12

13.12

14.62

16.37

18.12

22.62

25.12

28.62

33.62

34.62

241

283

308

333

371

416

460

575

638

727

854

879

H (open)

in.
mm

14.17

15.69

17.13

18.19

22.06

24.38

27.31

38.63

44.5

41.31

61.25

67

360

398

436

462

560

620

694

982

1130

1049

1556

1700

W

in.
mm

7.88

7.88

9.88

9.88

13.75

15.75

17.75

22.06

34

18.13

24

24

200

200

250

250

350

400

450

560

860

610

610

610

WT (kg)

RF

26

31

43

57

86

130

168

280

385

724

1500

2200

BW

21

26

38

44

68

110

138

228

329

1350

2000

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