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CN | EN

High Performance Butterfly Valve（Electric）

Technical Parameters

Product model: 815W/L-D, 830W/L-D

Nominal diameter: DN65~700mm, NPS 2-1/2"~28"

Nominal pressure: CL150～300LB

Applicable medium: gas, water and oil, etc.

Applicable temperature: -30～+150℃

Working temperature: -20~80℃

Connection form: clip

Main material: 304, 316, carbon steel




Product Details

Product Structure Features

1.Design of wide angle seat to avoid pressing and damaging the valve seat and valve tight contact, providing longer service life.

2.Double eccentric structure design, to avoid the wear of the sealing surface, maintaining the integrity of the seal and high service life.

3.Using patented flexible metal seal ring,ensure the tightness seal.

4.The valve disc design adopting 360 degrees round edge sealing profile ensures maximum flow and the corresponding percentage control.

5.Using TFE (450 degrees Fahrenheit) and graphite (900 degrees Fahrenheit) as the adjustable flange gland packing, to prevent the sealing packing from being uneven distribution.

6.Self centering valve disc design can adjust the temperature and the heat cycle, the valve disc will not be too tight. Force protection ring to Self centering valve disc design can adjust the temperature and the heat cycle, the valve disc will not be too tight. Force protection ring to prevent the hard substance and forcing surface from contacting to reduce maintenance cost.

7.Explosion proof valve shaft is designed in accordance with API 609 standards, improve the safety of operators.


Main external connection dimensions

DN

(mm)

NPS（in）

Size（mm）

L

L1

D1

D

H

65

2-1/2

49

27

119

59

177

80

3

49

27

132

73

193

100

4

54

30

157

95

212

125

5

64

30

186

111

216

150

6

57

33

216

142

243

200

8

57

36

270

188

299

250

10

71

41

324

236

371

300

12

81

48

381

282

416

350

14

92

52

413

314

494

400

16

102

56

470

363

531

450

18

114

67

533

414

569

500

20

127

67

584

456

604

600

24

154

76

692

549

784

700

28

167

87

857

702

912


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