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Lug Type Wafer Butterfly Valve

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  • HEARKEN

Material of main parts

Part Name

Material

Body

Cast Iron,Ductile Iron,WCB,Stainless Steel,Bronze

Seat

NBR,EPDM,VITON,PTFE

Disc

Ductile Iron,WCB,304 CF8,316 CF8M,AI-bronze C958

Stem

SS416,SS304,SS316

End Connection

Lug

Operate

Manual,Worm gear,Pneumatic,Electric-Motorized

Disc Type

With-pin,One stem no-pin,Double stem no-pin


Valve design

Technical Specification

Valve Design

GB/T12238,API609,MSS SP-67

Face to Face

GB/T12221,API609,MSS SP-67,DIN3202,BS EN558-1

Pressure Test

GB/T13927,API598

Flange Drilling

GB/T17241.6,ASI B16.1 Class125,BS4504 PN10/PN16 DIN2501 PN10/PN16

Top Flange

It can be customized to 5211 standard


Main external and connecting dimensions(mm)

05-1 ball valve butterfly valve

DN

NPS

A

B

C

D

L

H

D1

n-M

50

2

161

80

43

52.9

32

88.38

125

4-M16

65

2 1/2

175

89

46

64.5

32

102.54

145

4-M16

80

3

181

95

45.21

78.8

32

61.23

160

8-M16

100

4

200

114

52.07

104

32

68.88

180

8-M16

125

5

213

127

55.5

123.3

32

80.36

210

8-M16

150

6

226

139

55.75

155.6

32

91.84

240

8-M20

200

8

260

175

60.58

202.5

45

112.89

295

8-M20

76.35

12-M20

250

10

292

203

68

250.5

45

90.59

350

12-M20

91.88

355

12-M24

300

12

337

242

68

301.6

45

103.52

400

12-M20

106.12

410

12-M24

350

14

386

267

76.9

333.3

45

89.74

460

16-M20

91.69

470

16-M24

400

16

400

325

85.7

389.6

51.2

100.48

515

16-M24

72

102.42

525

16-M27

450

18

422

345

104.6

440.5

51.2

88.38

565

20-M24

72

91.51

858

20-M27

500

20

480

378

130.26

491.6

57

96.99

620

20-M24

82

101.68

650

20-M30

600

24

562

475

151.36

592.5

70.2

113.42

725

20-M27

82

770

20-M33

DN

NPS

E

n1-φ2

φ2

G

J

X

f

50

2

57.15

4-6.7

12.6

155

13.8

3

13

65

2 1/2

57.15

4-6.7

12.6

179

13.8

3

13

80

3

57.15

4-6.7

12.6

190

13.8

3

13

100

4

69.85

4-10.3

15.77

220

17.77

5

13

125

5

69.85

4-10.3

18.92

254

20.92

5

13

150

6

69.85

4-10.3

18.92

285

20.92

5

13

200

8

88.9

4-14.3

22.1

339

24.1

5

13

250

10

88.9

4-14.3

28.45

406

31.45

8

13

300

12

107.95

4-14.3

31.6

477

34.6

8

20

350

14

107.95

4-14.3

31.6

515

34.6

8

20

400

16

158.75

4-20.6

33.15

579

36.15

10

20

450

18

158.75

4-20.6

37.95

627

41

10

20

500

20

158.75

4-20.6

41.15

696

44.15

10

22

600

24

215.9

4-22.2

50.65

821

54.65

16

22


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