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API Butterfly Valve

API(Lug Type)Cast Steel Butterfly Valve
Size:NPS6"~36" Pressure: CLASS 150LB~300LB
Material: WCB,CF8, CF3, CF3M,CF8M,CF8C
Design & Manufacture Std: API 609

Face To Face Std: ASME B16.10
Flange Dimension conform to : ASME B16.5, ASME B16.47
Test Std: API 598


Parts NO.

Parts Name

Material

A216 WCB

A351 CF8

A351 CF8M

1

Bushing

S.S

S.S

S.S

2

Snap Ring

ASTM SS304

ASTM SS304

ASTM SS304

3

Sealing Shim

GRAPHITE

GRAPHITE

GRAPHITE

4

Lower Gap

CARBON STEEL

ASTM SS304

ASTM SS316

5

Body

ASTM A216 WCB

ASTM A351 CF8

ASTM A351 CF8M

6

Sealing Ring

SS304+GRAPHITE

SS304+GRAPHITE

SS316+GRAPHITE

7

Compresure Plate

ASTM A182 F6

ASTM SS304

ASTM SS316

8

Disc

ASTM A216 WCB

ASTM A351 CF8

ASTM A351 CF8M

9

Stem

ASTM A182 F6

ASTM A182 F304

ASTM A182 F316

10

Packing

GRAPHITE

GRAPHITE

GRAPHITE

11

Flange Gland

ASTM A216 WCB

ASTM A351 CF8

ASTM A351 CF8

12

Bolt

ASTM A193 B7

ASTM A320 B8

ASTM A320 B8

13

Nut

ASTM A194 2H

ASTM A194 8

ASTM A194 8

14

Worm Gear actuator



Size

150LB Main Dimension (mm)

NPS

L

D1

D2

H1

H2

N-in

Do

6

57

241.5

216

470

175

8-3/4"

290

8

64

298.5

270

515

220

8-3/4"

290

10

71

362

324

560

255

12-7/8"

290

12

81

432

381

625

300

12-7/8"

320

14

92

476.5

413

655

325

12-1"

320

16

102

540

470

770

370

16-1"

380

18

114

578

533

790

390

16-1 1/8"

380

20

127

635

584

850

410

20-1 1/8"

380

24

154

749.5

692

925

470

20-1 1/4"

380

28

165

863.5

800

965

485

28-1 1/4"

380

30

165

914.5

857

995

510

28-1 1/4"

380

32

190

978

914

1045

545

28-1 1/2"

380

36

203

1086

1022

1170

610

32-1 1/2"

480

Size

300LB Main Dimension (mm)

NPS

L

D1

D2

H1

H2

N-in

Do

6

59

270

216

500

210

12-3/4"

290

8

73

330

270

565

240

12-7/8"

320

10

83

387.5

324

620

275

16-1"

320

12

92

451

381

665

310

16-1 1/8"

380

14

117

514.5

413

700

350

20-1 1/8"

380

16

133

571.5

470

820

380

20-1 1/4"

380

18

149

628.5

533

850

415

24-1 1/4"

380

20

159

686

584

930

450

24-1 1/4"

380

24

181

813

692

1005

525

24-1 1/2"

380

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