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D641W Air Ventilation butterfly valve
Product Name:
D641W Air Ventilation butterfly valve
Description:

氣動通風蝶閥 D641W :

用途及特點
     本蝶閥采用與閥體相同材料加工成密封圈,采用電或氣動傳動。其適用溫度隨閥體選材而定,公稱壓力~<0.6MPa,一般 適用于工業、冶金、環保等管道作通風調節介質流量之用。其主要特點為:
1、設計新穎、合理、結構獨特,重量輕,啟閉迅速。
2、操力矩小,操作方便,省力靈巧。
3、采用適應的材料以滿足低、中、高不同介質溫度其及腐蝕性介質等。

·采用標準
設計標準:GB/T12238-1 989 JB/T8692-1998
法蘭連接尺寸:GB/T9115.1-2000
結構長度: GB/T1222.1989
壓(ya)力試驗: GB/T13927-1992;JB/T9092-1999

·主要技術參數

公稱通徑

DN(mm)

50-2000

公稱壓力

PN(MPa)

0.05

0.25

0.6

試驗壓(ya)力 Ps(MPa)

強度試驗

0.075

0.375

0.9

密封試驗

≤ 1.5%泄漏(lou)量(liang)

適用介質

煤氣、含塵氣體、煙(yan)道氣等(deng)。

適用溫度

氣傳動、電傳動。

·主要零件的材質

零件名稱

材料

閥體

鑄鋼(gang)(gang)、不銹鋼(gang)(gang)、鉻鎳鉬(mu)鈦(tai)鋼(gang)(gang)、鉻鉬(mu)鈦(tai)鋼(gang)(gang)等特殊材料

蝶板

鑄鋼(gang)、不(bu)銹鋼(gang)、鉻鎳鉬(mu)鈦(tai)鋼(gang)、鉻鉬(mu)鈦(tai)鋼(gang)等特殊(shu)材

密封圈

與閥體相同

閥桿

碳鋼、 2Crl3、不銹鋼、鉻鎳鉬鈦鋼

填料

氟塑料、柔性石墨

D641W0.5/-2.5/6C.P.R.V系列通風蝶閥連接尺寸

公稱通徑 DN

結(jie)構長度(du) (標準(zhun)值)

外形尺寸 (參考值)

連接尺寸 (標準值)

參考

重量

0.05MPa和0.25MPa

O.6MPa

毫米

英寸

L

H

H0

A

B

D

D1

n-d

D

D1

n-d

50

2

108

70

337

180

65

140

110

4-14

140

110

4-14

16

65

21,2

112

80

357

180

65

160

130

4-14

160

130

4-14

17

80

3

114

95

385

180

65

190

150

4-18

190

150

4-18

19

100

4

127

105

405

180

65

210

170

4-18

210

170

4-18

22

125

5

140

120

483

245

72

240

200

8-18

240

200

8-18

27

150

6

140

132

508

245

72

265

225

8-18

265

225

8-18

31

200

8

160

160

566

245

72

320

280

8-18

320

280

8-18

47

250

10

160

187

623

245

72

375

335

12-18

375

335

12-18

68

300

12

180

220

750

355

93

440

395

12-22

440

395

12-22

79

350

14

180

245

803

355

93

490

445

12-22

490

445

12-22

130

400

16

200

270

852

355

93

540

495

16-22

540

495

16-22

141

450

18

200

297

907

355

93

595

550

16-22

595

550

16-22

190

500

20

220

322

960

355

93

645

600

16-22

645

600

16-22

225

600

24

220

377

1080

550

350

755

705

20-26

755

705

20-26

245

700

28

240

430

1185

550

350

860

810

24-26

860

810

24-26

320

800

32

240

487

1300

550

350

975

920

24-30

975

920

24-30

405

900

36

260

537

1400

550

350

1075

1020

24-30

1075

1020

24-30

500

1000

40

260

587

1500

550

350

1175

1120

28-30

1175

1120

28-30

700

1200

48

280

702

1825

600

350

1375

1320

32-30

1405

1340

32-33

750


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