Wafer Type Worm Gear Butterfly Valve Rubber Seal

Wafer Type Worm Gear Butterfly Valve Rubber Seal

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Description:

HRSO wafer butterfly valve can be used as a device to cut-off or regulate the flow in various medium pipes. Through selecting different  materials of disc and seal seat, as well as the pinless connection between disc and stem,the valve can be applied to worse conditions, such as desulphurization vacuum, sea water desalinization.


Parts

Material

Body

CI,DI,WCB,ALB,CF8,CF8M

Disc

DI,WCB,ALB,CF8,CF8M,Rubber Lined   Disc,Duplex stainless steel,Monel

Stem

SS416,SS420,SS431,17-4PH

Seat

NBR,EPDM,Viton,PTFE

Taper Pin

SS416,SS420,SS431,17-4PH

 

Characteristic:

1. Small in size&light in weight and easy maintenance. It can be mounted wherever needed.

2. Simple, compact structure, quick 90 degree on-off operation
3. Disc has two-way bearing, perfect seal, without leakage under the pressure test.
4. Flow curve tending to straight-line. Excellent regulation performance.
5. Various kinds of materials, applicable to different media.
6. Strong wash and brush resistance, and can fit to bad working condition.
7. Center plate structure, small torque of open and close.
8. Long service life. Standing the test of ten thousands opening and closing opration.
9. Can be used in cutting off and regulating media.

 

Typical Application:

  1.    Water works and water resource project
    2. Enviroment Protection
    3. Public Facilities
    4. Power and Public Utilities
    5. Building industry
    6. Petroleum/ Chemical
    7. Steel. Metallurgy
    8. Paper make industry
    9. Food/Beverage etc

    butterfly valve.gif

 

Dimensions:

Size


A

B

C

D

L

H

D1

n-Φ

E

n1-Φ1

Φ2

Weight (kg)

(mm)

(inch)

40

1.5

136

69

33

42.6

28

77.77

110

4-18

50

4-6.7

12.6

2.3

50

2

161

80

43

52.9

28

84.84

120

4-23

57.15

4-6.7

12.6

2.8

65

2.5

175

89

46

64.5

28

96.2

136.2

4-26.5

57.15

4-6.7

12.6

3.5

80

3

181

95

45.21

78.8

28

61.23

160

8-18

57.15

4-6.7

12.6

3.7

100

4

200

114

52.07

104

28

70.8

185

4-24.5

69.85

4-10.3

15.77

5.4

125

5

213

127

55.5

123.3

28

82.28

215

4-23

69.85

4-10.3

18.92

7.7

150

6

226

139

55.75

155.6

28

91.08

238

4-25

69.85

4-10.3

18.92

9.3

200

8

260

175

60.58

202.5

38

112.89/

76.35

295

4-25/4-23

88.9

4-14.3

22.1

14.5

250

10

292

203

68

250.5

38

92.4

357

4-29/4-29

88.9

4-14.3

28.45

23

300

12

337

242

76.9

301.6

38

105.34

407

4-30

107.95

4-14.3

31.6

36

350

14

368

267

76.5

333.3

45

91.11

467

4-26/4-30

107.95

4-14.3

31.6

45

400

16

400

325

85.7

389.6

51/

60

100.47/

102.425

515/

525

4-26/4-30

158.75

4-20.6

33.15

65

450

18

422

345

104.6

440.51

51/

60

88.39/

91.51

565/

585

4-26/4-33

158.75

4-20.6

37.95

86

500

20

480

378

130.28

491.6

57/

75

86.99/

101.68

620/

650

20-30/20-36

158.75

4-20.6

41.15

113

600

24

562

475

151.36

592.5

70/

75

113.42/

120.46

725/

770

24-30/24-33

215.9

4-22.2

50.65

209

700

28

624

535

163

695

66

109.65

840

24-30

254

8-18

63.35

292

800

32

672

606

188

794.7

66

124

950

24-33

254

8-18

63.35

396

900

36

720

670

203

870

118

117.57

1050

24

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