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Fluorine Lined Double Flange Butterfly Valve

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Material of main parts

Part Name

Material

Up and low valve body

Cast iron,Cast steel,Stainless steel,Lining/F4,F46

Valve Seat

F4/F46

With lever dish plate

Full lining(WCB cylinder packing) F4/F46,Ladle/Half lining(stainless steel) F4/F46

Liner

Silicone Rubber

Worm handle

QT400-15 Ductile cast iron


PTFE-Lined Butterfly Valves Standard

Technical Specification

Design Standard

GB/T 12238

Structure Length

GB 12221

Flange Standard

JB/T 79-94 GB9113.1-26

Inspection and Test

GB/T 13927

Drive Mode

Worm,Manual,Electric,Pneumatic


Main external and connecting dimensions(mm)

15-3 single eccentric butterfly valve

DN

Shape Size

Connection dimension

L

H2

H1

1.0MPa

1.6MPa

D

D1

Z-φd

D

D1

Z-φd

50

108

143

85

160

125

4-18

160

125

4-18

65

112

157

93

180

145

4-18

180

145

4-18

80

114

178

100

195

160

4-18

195

160

8-18

100

127

185

110

215

180

8-18

215

180

8-18

125

140

206

120

245

210

8-18

245

210

8-18

150

140

225

160

280

240

8-23

280

240

8-23

200

152

275

245

335

295

8-23

335

295

12-23

250

165

326

260

390

350

12-23

405

355

12-26

300

178

333

300

440

400

12-23

460

410

12-26

350

190

393

320

550

460

16-23

520

470

16-26

400

216

438

330

560

515

16-26

580

525

16-30

450

222

488

380

615

565

20-26

640

585

20-30

500

229

540

390

670

620

20-26

715

650

20-33

600

267

615

450

780

725

20-30

840

770

20-36

700

292

660

480

895

840

24-30

910

840

24-36

800

318

720

580

1010

950

24-34

1020

950

24-39

900

330

785

625

1110

1050

28-34

1120

1050

28-39

1000

410

900

660

1220

1160

28-34

1255

1170

28-42

1200

470

1070

780

1450

1380

32-41

1485

1390

32-48



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