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Post box: rtv@zjrtfm.com
External trade department: 0577-8588 8220
0577-8588 8221
E-mail: valve@zjrtfm.com
monica@zjrtfm.com
Address: www.dekainu.com
Address: Block B-16, Airport New Area, Longwan District, Wenzhou City, Zhejiang Province (Jinhai Erdao 11 Road)

Stainless Steel Gate Valve

The release date:[2017-08-07]     hits

Stainless steel flange gate valve features:

1. Compact structure, reasonable design, good valve rigidity, smooth channel, small flow resistance coefficient.

2. The sealing surface is made of stainless steel and cemented carbide with long service life.

3. Flexible graphite packing, reliable sealing, light and flexible operation.

4. Driven by electric, pneumatic and gear transmission. Structure: flexible type single gate, rigid type single gate and double gate.

5. Widely used in petroleum, chemical industry, thermal power plant and other oil products, water vapor pipeline for connection or work cut off pipeline medium opening and closing device.

不锈钢法兰闸阀产品规范Product Specification


不锈钢闸阀产品规范 Product Specification


Design and manufacture: according to GB/ t12234-89 specified structure length: according to GB/ t12221-89 specified flange surface size: according to JB79GB/ t9112-9131 specified

Inspection and test: Ann JB/ t9092-99gb/t13927-92 specified transmission mode: manual, electric, gear

国标法兰闸阀产品规范Product Specification


nominal pressure

PN(MPa)

test pressure(MPa)

shell

Seal (liquid)

Seal (air)

upper seal

1.6

2.4

1.8

0.6

1.8

2.5

3.8

2.8

2.8

4.0

6.0

4.4

4.4

6.4

9.6

7.0

7.0

10.0

15.0

11.0

11.0

16

24.0

18.0


国标法兰闸阀适用范围Applicable Scope


case material

applicable medium

applicable temperature℃

Carbon steel (type C)

Water, steam, oil

≤425

Chrome-nickel-titanium (p-type)

nitrose

≤200

Cr-ni mo ti steel (type R)

actic acids

≤200

Chrome-nickel-molybdenum (type I)

Water, steam, oil

≤550

国标法兰闸阀主要零部件材料 Main Part Material


Valve, cover

Gate, seat

valve rod

valve-stem nut

padding

hand wheel

stainless steel

High quality carbon steel with hard alloy or stainless steel

chromium stainless steel

aluminium bronze

Graphie asbestos coils

Malleable iron

Nodular cast iron


stainless steel

Stainless steel, stainless steel and cemented carbide

Chrome-nickel-titanium stainless steel

Teflon lined

Ci Ni Mo Ti Steel

Stainless steel, stainless steel and cemented carbide

Chrome-nickel-titanium stainless steel

asbestos packing

CrNiMo

Wedge gate

Chrome-molybdenum aluminum steel

318 (sulfur resistant series)


Flexible graphite filling

Tetrafluorin (sulfur resistant series)


Carbon steel gate valve main parts material:


name of parts

阀体材料Body Material Code

Part Name

Body/Cap

WCB

ZGCr5Mo

ZG1Cr18Ni9Ti/CF8

ZG1Cr18Ni12Mo2Ti/CF8M

Body/Bonnet

flashboard

WCB

ZGCr5Mo

ZG1Cr18Ni9Ti/CF8

ZG1Cr18Ni12Mo2Ti/CF8M

Wedge

valve rod

Cr13

25Cr2MoV

1Cr18Ni9Ti

1Cr18Ni12Mo2Ti

Stem

padding

柔性石墨/Flexible Graphite

聚四氟乙烯/PTFE

Packing

gasket

18-8柔性石墨/18-8Flexible Graphite

Gasket

bolt

35/35CrMo

25CrMoV

1Cr18Ni9

1Cr18Ni9

Bolt

applicable temperature

-29-425℃

-29-450℃

-40-200℃

-40-200℃

Suitable Temp.

适用介质

水、油品、蒸汽
Water,Oil,Steam

蒸汽、油品
Steam,Oil

硝酸类
Nitrc Acid

醋酸类
Acetic Acid

Suitable Medium

碳钢闸阀主要外形和连接尺寸Main External And Connection




法兰闸阀主要外形和连接尺寸Main External And Connection Dimension 单位Unit:mm



model

inside nominal diameter

size(mm)

L

D

D1

D2

b-f

z-Φd

H

D0

Z41W-1.6Mpa

Z41H-16C

Z41Y-16I

15

130

95

65

45

14-2

4-14

170

120

20

150

105

75

55

14-2

4-14

200

120

25

160

115

85

65

14-2

4-14

215

140

32

180

135

100

78

16-2

4-18

260

160

40

200

145

110

85

16-3

4-18

290

200

50

250

160

125

100

16-3

4-18

345

220

65

265

180

145

120

18-3

4-18

360

240

80

280

195

160

135

20-3

8-18

385

280

100

300

215

180

155

20-3

8-18

430

300

125

325

245

210

185

22-3

8-18

520

320

150

350

280

240

210

24-3

8-23

610

350

200

400

335

295

265

26-3

12-23

765

400

250

450

405

355

320

30-3

12-25

895

450

300

500

460

410

375

30-4

12-25

1145

500

350

550

520

470

435

34-4

16-25

1200

550

400

600

580

525

485

36-4

16-30

1400

600

450

650

640

585

545

40-4

20-30

1500

650

500

700

705

650

608

44-4

20-34

1630

700

600

800

840

770

718

48-5

20-41

1830

800



Main Connection Dimensions


model

inside nominal diameter

size(mm)

L

D

D1

D2

b-f

z-Φd

H

D0

Z41W-2.5Mpa

Z41H-25C

Z41Y-25C

Z41Y-25I

15

130

95

65

45

16-2

4-14

170

120

20

150

105

75

55

16-2

4-14

200

120

25

160

115

85

65

16-2

4-14

215

140

32

180

135

100

78

18-2

4-18

260

160

40

200

145

110

85

18-3

4-18

290

200

50

250

160

125

100

20-3

4-18

345

220

65

265

180

145

120

22-3

8-18

360

240

80

280

195

160

135

22-3

8-18

385

280

100

300

230

190

160

24-3

8-23

430

300

125

325

270

220

188

28-3

8-25

520

320

150

350

300

250

218

30-3

8-25

610

350

200

400

360

310

278

34-3

12-25

765

400

250

450

425

370

332

36-3

12-30

900

450

300

500

485

430

390

40-4

16-30

1130

500

350

550

550

490

448

44-4

16-34

1250

550

400

600

610

550

505

48-4

16-34

1430

600

450

650

660

600

555

50-4

20-34

1520

650

500

700

730

660

610

52-4

20-41

1650

700

600

800

840

770

718

56-5

20-41

1850

800



Main Connection Dimensions


model

inside nominal diameter

size(mm)

L

D

D1

D2

D6

b-f

z-Φd

H

Z41W-4.0Mpa

Z41H-40C

Z41Y-40C

Z41Y-40I

15

130

95

65

45

40

16-2

4-14

170

20

150

105

75

55

51

16-2

4-14

200

25

160

115

85

65

58

16-2

4-14

215

32

180

135

100

78

66

18-2

4-18

260

40

200

145

110

85

76

18-3

4-18

290

50

250

160

125

100

88

20-3

4-18

345

65

280

180

145

120

110

22-3

8-18

360

80

310

195

160

135

121

22-3

8-18

385

100

350

230

190

160

150

24-3

8-23

430

125

400

270

220

188

176

28-3

8-25

530

150

450

300

250

218

204

30-3

8-25

620

200

550

375

320

282

260

38-3

12-30

780

250

650

445

385

345

313

42-3

12-34

900

Z41W-6.4Mpa

Z41H-64C

Z41Y-64C

Z41Y-64I

15

170

105

75

55

41

18-2

4-14

175

20

190

125

90

68

51

20-2

4-18

200

25

210

135

100

78

58

22-2

4-18

215

32

230

150

110

82

66

24-2

4-23

270

40

240

165

125

95

76

24-3

4-23

300

50

250

175

135

105

88

26-3

4-23

370

65

280

200

160

130

110

28-3

8-23

385

80

310

210

170

140

121

30-3

8-23

400

100

350

250

200

168

150

32-3

8-25

460

125

400

295

240

202

176

36-3

8-30

570

150

450

340

280

240

204

38-3

8-34

660

200

550

405

345

300

260

44-3

12-34

820

250

650

470

400

352

313

48-3

12-41

1000


Contact us

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Post box: rtv@zjrtfm.com
The ministry of foreign trade:0577-8588 8220 / 0577-8588 8221
E-mail: valve@zjrtfm.com / monica@zjrtfm.com
Web site: www.dekainu.com
Address:Block B-16, Airport New Area, Longwan District, Wenzhou City, Zhejiang Province (Jinhai Erdao 11 Road)

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