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Product [folder soft seal butterfly] details：

Product model：D71X

Product Name: clip on soft seal butterfly valve

Product features: use and characteristics of the butterfly valve is suitable for underground pipe network supply and drainage pipeline for opening and closing or regulating the flow of media used, with moisture resistance, corrosion resistance, long life and other characteristics.

Adoption criteria: design criteria：GB/T12238-1989 Flange connection size： GB/T9113.1-2000; GB/T9113.2-2000　GB/T9115.1-2000; GB/T9115.2-2000 Pressure test：GB/T13927-1992；JB/T9092-199Soft sealing butterfly valve prices, soft sealing butterfly valve manufacturers,Soft sealing butterfly valve。

Part name	Material Science
valve body	All kinds of rubber, PTFE
Disc	Gray cast iron, ductile cast steel, cast steel, stainless steel and special materials
Seal ring	Nodular cast iron, cast steel, alloy steel, stainless steel
The stem	2Cr13、Stainless steel
filler	O type ring, flexible graphite

三、Butterfly valve sealing material selection and application temperature：

Variety of materials	Chloride butyl rubber	Ding Qing rubber	Ethylene propylene rubber	Teflon	silicon rubber	Fluorine rubber
Code	XorJ	XAorJA	XBorJB	XC、JCorF	XDorJD	XEorJE
Maximum temperature resistance	82℃	93℃	150℃	232℃	250℃	204℃
Minimum temperature resistance	-40℃	-40℃	-40℃	-268℃	-70℃	-23℃
Applicable operating temperature	≤65℃	≤80℃	≤120℃	≤200℃	≤200℃	≤180℃

Uses and features:
Soft sealing butterfly valve is suitable for temperature are less than 120, nominal pressure is less than 1.6MPa of food, medicine, chemical, petroleum, electric power, textile, paper and other drainage gas pipes to regulate the flow and the role of media section voyage.
Its main features are:
1, design novel, reasonable, unique structure, light weight, open and close quickly.
2, operating torque is small, easy to operate, labor-saving dexterity.
3, any position can be installed, easy maintenance.
4, seals can be replaced, reliable sealing performance to achieve two-way sealing zero leakage.
5, sealing material aging, corrosion resistance, long service life and other characteristics.

三、Clamp type soft sealing butterfly valveD71X/J -6/10/16 Q.C.P.RSeries connection size：

Nominal diameter

Structure length (standard value)

Dimensions (reference values)

Connection dimension (standard value)

0.6MPa

1.0MPa

1.6MPa

millimeter

inch

L

H

H0

A

B

D0

n-d

D0

n-d

D0

n-d

50

2

43

63

235

270

65

110

4-14

125

4-18

125

4-18

65

2 1/2

46

70

250

270

65

130

4-14

145

4-18

145

4-18

80

3

46

73

275

270

65

150

4-18

160

8-18

160

8-18

100

4

52

105

316

270

65

170

4-18

180

8-18

180

8-18

125

5

56

115

340

310

65

200

8-18

210

8-18

210

8-18

150

6

56

137

376

310

65

225

8-18

240

8-22

240

8-22

四、Clamp type soft sealing butterfly valveD371X/J -6/10/16 Q.C.P.RSeries connection size：

Nominal diameter

Structure length (standard value)

Dimensions (reference values)

Connection dimension (standard value)

0.6MPa

1.0MPa

1.6MPa

millimeter

inch

L

H

H0

A

B

D0

n-d

D0

n-d

D0

n-d

50

2

43

63

306

180

200

110

4-14

125

4-18

125

4-18

65

2 1/2

46

70

321

180

200

130

4-14

145

4-18

145

4-18

80

3

46

83

346

180

200

150

4-18

160

8-18

160

8-18

100

4

52

105

387

180

200

170

4-18

180

8-18

180

8-18

125

5

56

115

411

180

200

8-18

210

8-18

210

8-18

150

6

56

137

447

270

280

225

8-18

240

8-22

240

8-22

200

8

60

164

572

270

280

8-18

295

8-22

295

12-22

250

10

68

206

646

270

280

335

12-18

350

12-22

355

12-26

300

12

78

230

738

380

420

395

12-22

400

12-22

410

12-26

350

14

78

248

761

380

420

445

12-22

460

16-22

470

16-26

400

16

102

289

877

450

470

495

16-22

515

16-26

525

16-30

450

18

114

320

938

480

490

550

16-22

565

20-26

585

20-30

500

20

127

343

993

480

490

600

20-22

620

20-26

650

20-33

600

24

154

413

1131

480

490

405

20-26

725

20-30

770

20-36

700

28

165

478

1476

640

660

810

24-26

840

24-30

840

24-36

800

32

190

525

1533

640

660

320

24-30

950

24-33

950

24-39

900

36

203

585

1655

750

860

1020

24-30

1050

28-33

1050

28-39

1000

40

216

640

1765

850

900

1120

28-30

1160

28-36

1170

28-42

1200

48

254

755

1995

850

900

1340

32-33

1380

32-39

1390

32-48

1400

56

279

910

2310

1000

925

1560

36-36

1590

36-42

1590

36-48

1600

64

318

1030

2595

1000

925

1760

40-36

1820

40-48

1820

40-56

1800

72

356

1140

2810

1100

980

1970

44-39

2020

44-48

2020

44-56

2000

80

406

1250

3100

1100

980

2180

48-42

2230

48-48

2230

48-62

Note: if the user needs the valve plate lining rubber and other special requirements, please specify when ordering。

Design standard：GB/T12238-1989
Flange connection size：GB/T9113.1-2000　GB/T9115.1-2000　JB78
Structure length：GB/T12221-1989
Pressure test：GB/T13927-1992；JB/T9092-1999

三、Main technical parameters：

Nominal diameter	DN(mm)	50~2000
Nominal pressure	PN(MPa)	0.6	1.0	1.6
Test pressure Ps(MPa)	strength test	0.9	1.5	2.4
	Seal test	0.66	1.1	1.76
	Air tight test	0.6	0.6	0.6
Applicable medium	Air, water, sewage, steam, gas, oil, etc.。
Driving form	Manual, worm and worm drive, gas transmission, electric drive。

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