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Butterfly Valve

Grooved Butterfly Valve

Thank you for choosing our products! The instructions should be delivered to the end user. Before using this product, please read the instructions in detail so that you can feel the convenience of operation and the pleasure of use. The next process is our eternal sincere service to you!

1. Product characteristics


The worm wheel butterfly valve developed by our company has compact structure, easy 90 degree rotary switch, reliable sealing and long service life. It is widely used in water plant, power plant, steel plant, paper making, chemical industry, catering and other systems for water supply and drainage, as adjustment and cut-off use.


2. Characteristics of D371X Worm Wheel Butterfly Valve


1. The valve adopts double eccentric structure, which has the sealing function of tighter and tighter closure and reliable sealing performance.


2. Sealing accessory material is matched with stainless steel and oil-resistant NBR with long service life.


3. Rubber sealing ring can be located on the valve body or on the butterfly plate. It can be used in different media for users to choose.


4. The butterfly plate adopts frame structure with high strength, large overflow area and small flow resistance.


5. The whole paint can effectively prevent rust and can be used in different media as long as the sealing material of the sealing seat is replaced.


6. The valve has two-way sealing function. It can be installed in any direction without the control of medium flow direction or the influence of space position.


7. The valve has unique structure, flexible operation, labor saving and convenience.


DN

L

H

H1

A

B

ФD

0.6MPa

1.0MPa

1.6MPa

50

43

77

309

180

200

88

99

99

65

46

85

320

180

200

108

118

118

80

46

95

340

180

200

124

132

132

100

52

105

360

180

200

144

156

156

125

56

129

405

180

200

174

184

184

150

56

132

450

270

280

199

211

211

200

60

165

607

270

280

254

266

266

250

68

197

659

270

280

309

319

319

300

78

234

742

380

420

363

370

370

350

78

283

792

380

420

413

429

429

400

102

325

887

450

470

463

480

480

450

114

369

935

480

490

518

530

548

500

127

404

985

480

490

568

582

609

600

154

470

1243

480

490

667

682

720

700

165

503

1346

640

660

772

794

794

800

190

571

1466

640

660

878

901

901

900

203

621

1565

750

860

978

1001

1001

1000

216

702

1781

850

900

1078

1112

1112

1200

254

818

1965

850

900

1295

1328

1328


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