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Telescopic butterfly valve

Telescopic butterfly valve

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所属分类
Butterfly Valve
Describe
Product Usage
 
SD341X-6, SD341X-10 flange type telescopic butterfly valve has the function of automatically compensating for the thermal expansion and contraction of the pipeline, and is suitable for loading and unloading at temperatures below 425 °C, nominal pressure below 1.6 MPa, chemical, electric power, papermaking, The best means of regulating flow and breaking fluid on industrial pipelines such as drainage and municipal construction.
 
Features
 
1. Unique structure, flexible design, light weight, labor saving, rapid opening and closing
 
2. The telescopic butterfly valve not only compensates for the thermal expansion and contraction caused by the temperature difference of the pipeline, but also provides convenience for the installation and replacement of the maintenance valve.
 
3, the sealing part can be adjusted and replaced, the sealing performance is reliable
 
Installation Precautions
 
1. The telescopic butterfly valve must be laid flat before installation. Do not bump it at random. It is strictly forbidden to remove the bracket during operation.
 
2. The length of the telescopic butterfly valve is the minimum length when it leaves the factory. When it is installed, it is pulled to the installation length (ie the design length).
 
3. When the length between the pipes exceeds the installation length of the telescopic valve, please adjust the pipe spacing. Do not force the telescopic butterfly valve to avoid damage to the butterfly valve.
 
4. The telescopic butterfly valve can be installed at any time for temperature compensation. After the pipeline is installed, it is necessary to add brackets along the axial direction of the pipeline to prevent the telescopic valve from being pulled out.
 
Performance parameter
 

model

SD341X-6

SD341X-6Q

SD341X-10

SD341X-10Q

Work pressure(MPa)

0.6

1

proper temperature(℃)

≤120

Depending on the type of rubber

≤120

Applicable medium

Water, sewage, oil, air, etc.

Depending on the type of rubber

Water, sewage, oil, air, etc.

material

Valve body

grey cast iron

grey cast iron

Ductile iron

Butterfly board

Ductile iron (surface treatment)

Ductile iron, stainless steel

Ductile iron

Valve stem

2Cr13

Stainless steel, carbon steel

Chrome stainless steel

 

Main shape and connection size

 

Nominal diameter DN

1.0MPa

D

D1

D2

Lmax

Lmin

H1

H2

n-Φd

100

220

180

158

216

174

110

170

8-18

125

250

210

184

232

176

123

182

8-18

150

285

240

212

239

194

140

210

8-22

200

340

295

268

264

214

170

238

8-22

250

395

350

320

296

235

195

270

12-22

300

445

400

370

300

250

222

300

12-22

350

505

460

4330

320

270

252

330

16-22

400

565

515

482

332

282

285

368

16-26

450

615

565

532

355

305

310

402

20-26

500

670

620

585

365

315

337

438

20-26

600

780

725

685

420

370

393

490

20-30

700

895

840

800

446

396

450

558

24-30

800

1015

950

905

476

426

515

625

24-33

900

1115

1050

1005

506

456

560

685

28-33

1000

1230

1160

1110

516

466

610

750

28-36

1200

1455

1380

1330

560

510

725

880

32-39

1400

1675

1590

1530

590

540

840

987

36-42

1600

1915

1820

1750

630

585

960

1158

40-48

1800

2115

2020

1950

680

630

1060

1258

44-48

2000

2325

2230

2150

730

680

1165

1365

48-48