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  • Long Neck Wafer Type Model 25 Butterfly Valve
Long Neck Wafer Type Model 25 Butterfly Valve

Long Neck Wafer Type Model 25 Butterfly Valve

Available in size 1″ to 12″. Available in wafer type model 15 and model 25, lug type model 20 and model 30 body. 





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MATERIALS LIST

Item

Part Name

Materials

1

Body

Cast Iron: ASTM A126CL. B ,Ductile Cast Iron: ASTM A536 65-45-12,

2

Upper Stem

Zinc Plated Steel;

Stainless Steel: ASTM A276 Type 316, Type 410, Type 420; ASTM A582 Type 416;

3

Seat

NBR, EPDM, Neoprene, PTFE, Viton;

4

Spring Pin

Carbon Steel; Stainless Steel

5

Lower Stem

Zinc Plated Steel;

Stainless Steel: ASTM A276 Type 316, Type 410, Type 420; ASTM A582 Type 416;

6

Disc

Ductile Cast Iron(Nickel plated or Nylon coated):

ASTM A536 65-45-12,

Stainless Steel: ASTM A351 CF8, CF8M; CF3, CF3M; EN 1.4408, 1.4469; 1.4501;

AL-Bronze: ASTM B148 C95400;

7

O-Ring

NBR, EPDM, Neoprene, Viton;

8

Bushing

PTFE, Nylon, Lubricated Bronze;

 

Read More About wafer type butterfly valve dimensions

 

DIMENSIONS LIST 

DIMENSIONS LIST (INCH)

Size

A

B

C

D

E

H

J

K

L

T

S

W

2

27/8

55/8

11/4

1/2

41/8

4

31/4

7/16

121/32

11/4

5/8

3/8

21/2

37/64

61/8

11/4

1/2

4 7/8

4

31/4

7/16

13/4

155/64

5/8

3/8

3

311/32

63/8

11/4

1/2

53/8

4

31/4

7/16

125/32

29/16

5/8

3/8

4

43/64

71/8

11/4

5/8

67/8

4

31/4

7/16

23/64

335/64

5/8

7/16

5

417/32

73/4

11/4

3/4

73/4

4

31/4

7/16

21/8

43/8

5/8

1/2

6

55/32

81/4

11/4

3/4

83/4

4

31/4

7/16

23/16

545/64

5/8

1/2

8

619/64

97/16

11/2

7/8

11

6

5

9/16

23/8

719/32

7/8

5/8

10

731/64

111/4

11/2

11/8

133/8

6

5

9/16

237/64

931/64

7/8

5/8

12

917/32

123/16

11/2

11/4

161/8

6

5

9/16

31/32

111/2

11/8

3/4

 

DIMENSIONS LIST (MM)

Size

A

B

C

D

E

H

J

K

L

T

S

W

50

73

143

32

12.7

104.8

101.6

82.6

11.1

42

32

15.9

9.5

65

79

156

32

12.7

123.9

101.6

82.6

11.1

45

47

15.9

9.5

80

85

162

32

12.7

136.5

101.6

82.6

11.1

45

65

15.9

9.5

100

103

181

32

15.9

174.6

101.6

82.6

11.1

52

90

15.9

11.1

125

115

197

32

19.1

196.9

101.6

82.6

11.1

54

111

15.9

12.7

150

131

210

32

19.1

222.3

101.6

82.6

11.1

56

145

15.9

12.7

200

160

240

38

22.2

279.4

152.4

127

14.3

60

193

22.2

15.9

250

190

286

38

25.6

339.7

152.4

127

14.3

66

241

22.2

15.9

300

242

310

38

31.8

409.6

152.4

127

14.3

77

292

28.6

19.1

 

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