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VQ341 渦輪V型半偏心球閥

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  • 公司名稱上海先鋒閥門制造有限公司
  • 品       牌
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  • 更新時(shí)間2024/10/10 8:41:55
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先鋒閥門已經(jīng)走過了十多年的歷程。公司自成立之日起始終把為社會奉獻(xiàn)、創(chuàng)閥門精品作為自己的工作目標(biāo)。"與時(shí)俱進(jìn)、不畏困難、創(chuàng)新、誠實(shí)守信"已成為先鋒人的企業(yè)文化和發(fā)展理念。全體員工腳踏實(shí)地、勵精圖治,憑借過硬的產(chǎn)品和周到的服務(wù)使先鋒公司成為國內(nèi)閥門行業(yè)競爭力的現(xiàn)代企業(yè)之一。

閥門
偏心半球閥的特點(diǎn)偏心半球閥的特點(diǎn)之一啟閉無磨擦.由于采用偏心結(jié)構(gòu).閥門在關(guān)閉的過程中.球體逐漸靠近閥座,到關(guān)閉位置接觸;在開啟時(shí)球體離開密封位置即可脫開.開啟扭矩小Biased half ball valve characteristic?Biased one of half ball valve characteristics opens shuts, because uses the ......
VQ341 渦輪V型半偏心球閥 產(chǎn)品信息

偏心半球閥的特點(diǎn)   

偏心半球閥的特點(diǎn)之一啟閉無磨擦.由于采用偏心結(jié)構(gòu).閥門在關(guān)閉的過程中.球體逐漸靠近閥座,到關(guān)閉位置接齄;在開啟時(shí)球體離開密封位置即可脫開.開啟扭矩??;第二個特點(diǎn)是密封面可實(shí)現(xiàn)自清潔.球體離開閥座時(shí),介質(zhì)可沖去密封面上的積聚物.對于易結(jié)晶介質(zhì).球體在關(guān)閉過程中可切除介質(zhì)結(jié)晶達(dá)到密封的目的.避免了其它閥門無法開關(guān)的弊端;第三個特點(diǎn)是密封嚴(yán)緊,球體、閥座是雙金屬.采取不同工藝.密封面可組合成防腐、耐磨等各種類型.滿足不同工況的需求,密封是球面線接觸,靠二維偏心實(shí)現(xiàn)零泄漏。



Biased half ball valve characteristic

Biased one of half ball valve characteristics opens shuts, because uses the eccentric structure, the valve in the shuting down process, the spheroid gradually approaches the valve seat, completely contacts to the off-position; When opening the spheroid leaves seals the position the completely to withdraw, opens the torque to be small; The second characteristic is the packing surface may realize from cleanly, when the spheroid leaves the valve seat, the medium may flush away in the packing surface the agglomeration, regarding is easy to Cfystallize the medium, the spheroid may excise the medium crystallization in the closure process to achieve the seal the goal, avoided other valves being unable the switch malpractice;The third character-istic is the seal close, the spheraid, the valve seat are the bimetal, adopts thedifferent craft, the packing surface may the group synthesize the anticarrosion, be wear-resisting and so on each kind of type, satisfies the different operating made the demand, the seal is the spherical surface, depends on two-dimensional biased realizaton zero to divulge.





主要設(shè)計(jì)參數(shù)Main design variable

公稱通徑:2”~28”DN50~700

公稱壓力:Calss 150~60Lb,  PNl.O~lO.OMPa

閥體材質(zhì):WCB, CF8, CF8M

球體:硬密封:WCB/CF8CF8M+STL   軟密封:CF8/CF8M

閥座:硬密封:A105/F304/F316+STL   軟密封:PTFE, PPL

工作溫度:硬密封:-40℃~425℃   軟密封:-28~250℃


采用的主要標(biāo)準(zhǔn)Uses main standard

設(shè)計(jì)制造按API 6D    GB/T12237-1989

試驗(yàn)和檢驗(yàn)按API 598    JB/T9092-1999

法蘭尺寸按ANSI B16.5  GB/T9113-2000

JG/T79-1994  HG20592-1997

緒構(gòu)長度按HT-2000

 



工作原理

偏心半球閥由閥桿帶動球體繞旋轉(zhuǎn)中心A轉(zhuǎn)動時(shí),球體由B點(diǎn)移動C點(diǎn),此時(shí)相對閥門中心O,從B到C的軌跡為一凸輪狀偏心,向下進(jìn)入閥座使閥門關(guān)閉保持密。該閥由于存上上述凸輪原理.閥門關(guān)閉件從開啟到關(guān)閉過程中,作用在閥座上的力逐漸增加,即關(guān)閉件表面與閥座由脫離至接觸,并逐漸增大密封比壓.直至密封.反之亦然。這就大大改善了以往球閥的密封狀態(tài)和密封效果,適合高溫高壓及易結(jié)晶磨損嚴(yán)重的場合使用。


Principle of work

The biased half ball valve when circles the center of rotation A rotation by the valve lever impetus spheroid, the spheroid by B moves C, this time relative valve center O, from B to the C path is a cam shape bias, enters the valve seat toward un-der to cause the valve closure maintenace seal. This valve because has above cam principle, the valve closure from opens to the closure process in, affects the strength gradually increases on the valve seat, namely the shutting down surface and the valve seat by completely are separated from to the contact, and gradually increases the seal to compare the pressure, until completely seals, vice versa. This greatly im-proved the former bll valve seal condition and the seal effect, suits the high tempera-ture high pressure and is easy to crystallize wears the serious situation use.


適用場合

我公司半球閥產(chǎn)品按用途分為:通用閥、管線閥、料漿專用閥、燃?xì)鈱S瞄y、石油化工專用閥、煤粉噴吹專用閥六大系列。在石油、化工、冶金、電力、燃?xì)?、排灰、噴煤粉等行業(yè)是閘閥、截止閥、Y型閥、球閥的更新?lián)Q代產(chǎn)品。


Suitable situation

The our company half ball valve product divides into according to the use: the pipeline valve, the material thick liquid special-prupose valve, the fuel gas spe-cial-purpose valve, the petroleum chemical industry special-purpose valve, the pow-dared coal spurt blows the special-purpose valve six big series. In the petroleum, the chemical industry, the metallurgy, the electric power, the fuel gas, the platoon ash,spurt profession and so on powdered coal is the gate valve, the cut-off valve, the Y valve, the ball valve renewal product.


國標(biāo)連接及外形尺寸Main conn ection and externaldimensions(mm)

公稱通徑

(DN)

1.0MPa(GB9113-2000法蘭Flange)

公稱通徑

(DN)

4.0MPa(GB9113-2000法蘭Flange)

L

D

D1

D2

b

f

n-d

H

L

D

D1

D2

D3

f1

b

f

n-d

H

50

124

165

125

99

20

2

4-18

200

50

124

165

125

99

88

3

20

4

4-18

200

65

145

185

145

118

20

2

4-18

215

65

145

185

145

118

110

3

22

4

8-18

215

80

165

200

165

132

20

2

8-18

235

80

165

200

165

132

121

3

24

4

8-18

235

100

200

220

180

156

22

2

8-18

250

100

200

235

190

156

150

3.5

24

4.5

8-22

250

125

254

250

210

184

22

2

8-18

280

125

254

270

220

184

176

3.5

26

4.5

8-26

280

150

267

285

240

211

24

2

8-22

300

150

267

300

250

211

204

3.5

28

4.5

8-26

300

200

292

40

295

266

24

2

8-22

370

200

292

375

320

284

260

3.5

34

4.5

12-30

370

250

330

395

350

319

26

2

12-22

420

250

330

450

385

345

313

3.5

38

4.5

12-33

420

300

390

445

400

370

26

2

12-22

450

300

390

515

450

409

364

3.5

42

4.5

16-33

450

350

468

505

460

429

26

2

16-22

520

350

468

580

510

465

422

4

46

5

16-36

520

400

526

565

515

480

26

2

16-26

570

400

526

660

585

535

474

4

50

5

16-39

570

450

610

615

565

530

28

2

20-26

640

450

610

685

610

560

524

4

50

5

20-39

640

500

610

670

620

582

28

2

20-26

640

500

610

755

670

615

576

4

52

5

20-42

640

600

762

780

725

682

34

2

20-30

720

600

762

890

795

735

675

4

60

5

20-48

720

700

889

895

840

794

34

5

24-30

800

700

 

 

 

 

 

 

 

 

 

 

公稱通徑

(DN)

1.6MPa(GB9113-2000法蘭Flange)

公稱通徑

(DN)

6.4MPa(GB9113-2000法蘭Flange)

L

D

D1

D2

b

f

n-d

H

L

D

D1

D2

D3

f1

b

f

n-d

H

50

124

165

125

99

20

2

4-18

200

50

124

180

135

105

88

4

26

3

4-23

200

65

145

185

145

118

20

2

4-18

215

65

145

205

160

130

110

4

28

3

8-23

215

80

165

200

165

132

20

2

8-18

235

80

165

215

170

140

121

4

30

3

8-23

235

100

200

220

180

156

22

2

8-18

250

100

200

250

200

168

150

4.5

32

3

8-26

250

125

254

250

210

184

22

2

8-18

280

125

254

295

240

202

176

4.5

36

3

8-30

280

150

267

285

240

211

24

2

8-22

300

150

267

345

280

240

204

4.5

38

3

8-34

300

200

292

340

295

266

24

2

12-22

370

200

292

405

345

300

260

4.5

44

3

12-36

370

250

330

405

350

319

26

2

12-26

420

250

330

470

400

352

313

4.5

48

3

12-36

420

300

390

460

400

370

28

2

12-26

450

300

390

530

460

412

364

4.5

54

4

16-36

450

350

468

520

460

429

30

2

16-26

520

350

468

600

525

475

422

5

60

4

16-41

520

400

526

580

515

480

32

2

16-30

570

400

526

670

585

525

474

5

66

4

16-42

570

450

610

640

565

530

34

2

20-30

640

450

-

-

-

-

-

-

-

-

-

-

500

610

715

620

582

36

2

20-33

640

500

610

800

705

640

576

5

70

4

20-48

640

600

762

840

725

682

38

2

20-36

720

600

762

930

820

750

675

6

76

5

20-58

720

700

889

910

840

794

40

5

24-36

800

700

 

 

 

 

 

 

 

 

 

 

公稱通徑

(DN)

2.5MPa(GB9113-2000法蘭Flange)

公稱通徑

(DN)

10.0MPa(GB9113-2000法蘭Flange)

L

D

D1

D2

b

f

n-d

H

L

D

D1

D2

D3

f1

b

f

n-d

H

50

124

165

125

99

20

2

4-18

200

50

124

195

145

112

88

4

28

3

4-26

200

65

145

185

145

118

22

2

8-18

215

65

145

220

170

138

110

4

32

3

8-26

215

80

165

200

160

132

24

2

8-18

235

80

165

230

180

148

121

4

34

3

8-26

235

100

200

235

190

156

24

2

8-22

250

100

200

265

210

172

150

4.5

38

3

8-30

250

125

254

270

220

184

26

2

8-26

280

125

254

315

250

210

176

4.5

42

3

8-34

280

150

267

300

250

211

28

2

8-26

300

150

267

355

290

250

204

4.5

46

3

12-34

300

200

292

360

310

274

30

2

12-26

370

200

292

430

360

312

260

4.5

54

3

12-36

370

250

330

425

370

330

32

2

12-30

420

250

330

506

430

382

313

4.5

60

3

12-42

420

300

390

485

430

389

34

2

16-30

450

300

390

585

500

442

364

4.5

70

4

16-42

450

350

468

555

490

448

38

2

16-33

520

350

468

655

560

492

422

5

76

4

16-48

520

400

526

620

550

503

40

2

16-36

570

400

526

715

620

558

474

5

80

4

16-48

570

450

610

670

600

548

42

2

20-36

640

450

 

 

 

 

 

 

 

 

 

 

500

610

730

660

609

44

2

20-36

640

500

 

 

 

 

 

 

 

 

 

 

600

762

845

770

720

46

2

20-39

720

600

 

 

 

 

 

 

 

 

 

 


美標(biāo)連接及外形尺寸Main conn ection and externaldimensions(mm) 

公稱通徑

(DN)

150Lb(ANSI B16.5RF法蘭Flange)

公稱通徑

(DN)

4000Lb(ANSI B16.5RF法蘭Flange)

L

D

D1

D2

b

f

n-d

H

L

D

D1

D2

b

f

n-d

H

2″

50

124

152

120.5

92

16

1.6

4-19

200

2″

50

124

165

127

92

25.5

6.4

8-19

200

21/2″

65

145

178

139.5

105

18

1.6

4-19

215

21/2″

65

145

190

149

105

29

6.4

8-22

215

3″

80

165

190

152.5

127

19

1.6

4-19

235

3″

80

165

210

168.5

127

32

6.4

8-22

235

4″

100

200

229

190.5

157

24

1.6

8-19

250

4″

100

200

254

200

157

35

6.4

8-26

250

5″

125

254

254

216

186

24

1.6

8-22

280

5″

125

254

279

235

186

38.5

6.4

8-26

280

6″

150

267

279

241.5

216

26

1.6

8-22

300

6″

150

267

318

270

216

41.5

6.4

12-26

300

8″

200

292

343

298.5

270

29

1.6

8-22

370

8″

200

292

381

330

270

48

6.4

12-29

370

10″

250

330

406

362

324

31

1.6

12-25

420

10″

250

330

445

387.5

324

54

6.4

16-32

420

12″

300

390

483

432

381

32

1.6

12-25

450

12″

300

390

521

451

381

57.5

6.4

16-35

450

14″

350

468

533

476

413

35

1.6

12-29

520

14″

350

468

585

514.5

413

60.5

6.4

20-25

520

16″

400

526

597

540

470

37

1.6

16-29

570

16″

400

526

650

571.5

470

63.5

6.4

20-39

570

18″

450

610

635

578

533

40

1.6

16-32

640

18″

450

610

711

628.5

533

67

6.4

24-39

640

20″

500

610

699

635

584

43

1.6

20-32

640

20″

500

610

775

686

584

70

6.4

24-42

640

24″

600

762

813

749.5

692

48

1.6

20-35

720

24″

600

762

915

813

692

76.5

6.4

24-48

720

28″

700

889

927

863.5

800

72

1.6

28-35

800

28″

700

 

 

 

 

 

 

 

 

公稱通徑

(DN)

300Lb(ANSI B16.5RF法蘭Flange)

公稱通徑

(DN)

600Lb(ANSI B16.5RF法蘭Flange)

L

D

D1

D2

b

f

n-d

H

L

D

D1

D2

b

f

n-d

H

2″

50

124

165

127

92

23

1.6

8-19

200

2″

50

124

165

127

92

26

6.4

8-19

200

21/2″

65

145

190

149

105

26

1.6

8-22

215

21/2″

65

145

190

149

105

29

6.4

8-22

215

3″

80

165

210

168.5

127

29

1.6

8-22

235

3″

80

165

210

168.5

127

32

6.4

8-22

235

4″

100

200

254

200

157

32

1.6

8-22

250

4″

100

200

273

216

157

38

6.4

8-25

250

5″

125

254

279

235

186

35

1.6

8-22

280

5″

125

254

330

266.5

186

45

6.4

8-29

280

6″

150

267

318

270

216

37

1.6

12-22

300

6″

150

267

356

292

216

48

6.4

12-29

300

8″

200

292

381

330

270

42

1.6

12-25

370

8″

200

292

419

349

270

56

6.4

12-32

370

10″

250

330

445

387.5

324

48

1.6

16-29

420

10″

250

330

508

432

324

64

6.4

16-35

420

12″

300

390

521

451

381

51

1.6

16-32

450

12″

300

390

559

489

381

67

6.4

20-35

450

14″

350

468

584

514.5

413

54

1.6

20-32

520

14″

350

468

603

527

413

70

6.4

20-38

520

16″

400

526

648

571.5

470

58

1.6

20-35

570

16″

400

526

686

603

470

77

6.4

20-41

570

18″

450

610

711

628.5

533

61

1.6

24-35

640

18″

450

610

743

654

533

83

6.4

20-414

640

20″

500

610

775

686

584

54

1.6

24-35

640

20″

500

610

813

724

584

89

6.4

24-44

640

24″

600

762

914

813

692

70

1.6

24-41

720

24″

600

762

940

838

692

102

6.4

24-52

720

28″

700

889

1035

940

800

86

1.6

28-45

800

28″

700

 

 

 

 

 

 

 

 

 

 

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