波纹管截止阀

Bb Os & Y型结构

制造标准：GB12235

结构长度：GB12221

对焊口标准：GB12224

试验标准：GB13927

Bb Os & Y structure

Manufacture：GB12235

Face to face：GB12221

Butt-welding：GB12224

Test：GB13927

公称压力
(nominal pressure)

1.6Mpa

2.5Mpa

4.0Mpa

密封试验(seal test)

1.8MPa

2.8MPa

4.4MPa

壳体强度(shell)

2.4MPa

3.6MPa

6.0MPa

适用温度
(suitabletemprature)

300℃

双层波纹管(double walls bellow seal)

维修方便(maintenance-free)

波纹管密封阀杆(spindle with bellow seal)

双重密封(secondary sealing)

位置指示(position indicator)

无升降手轮(non-rising handwheel)

工业(industry)

电站(power station)

废气净化厂(flue gas puerification plant)

天然气(gas supply)

真空装置(vacuum facilities)

氨(ammonia)

热水(hot water)

冷冻系统(cllling&freezing systme)

加热设备(heating technology)

蒸汽系统(steam system)

零件名称
parta name

阀体 body

阀盖 bonnet

阀杆 stem

阀瓣 disc

密封面
sealing face

填料 paking

WCB

WCB

WCB

13Cr

2Cr13

2Cr13

柔性石墨
GRAPHITE

STL

304

CF8

CF8

304

304

304

柔性石墨
GRAPHITE

STL

PTFE

316

CF8M

CF8M

316

316

316

柔性石墨
GRAPHITE

STL

PTFE

304L

CF3

CF3

316

304L

304L

柔性石墨
GRAPHITE

STL

PTFE

316L

CF3M

CF3M

316

316L

316L

柔性石墨
GRAPHITE

STL

PTFE

PN

DN

L

L₁

D

D₁

D₂

B

f

F

D₆

N-ф

△H(
STRODE)

1.6

15

130

80

95

65

45

14

2

-

-

4-14

6

20

150

90

105

75

55

14

2

-

-

4-14

6

25

160

110

115

85

65

14

2

-

-

4-14

8

32

180

127

135

100

78

16

2

-

-

4-18

8

40

200

156

145

110

85

16

3

-

-

4-18

13

50

230

170

160

125

100

16

3

-

-

4-18

13

65

290

-

180

145

120

18

3

-

-

4-18

16

80

310

-

195

160

135

20

3

-

-

8-18

20

100

350

-

215

180

155

20

3

-

-

8-18

25

125

400

-

245

210

185

22

3

-

-

8-18

32

150

480

-

280

240

210

24

3

-

-

8-23

40

200

600

-

335

295

265

26

3

-

-

12-23

50

2.5

15

130

80

95

65

45

16

2

-

-

4-14

6

20

150

90

105

75

55

16

2

-

-

4-14

6

25

160

110

115

85

65

16

2

-

-

4-14

8

32

180

127

135

100

78

18

2

-

-

4-18

8

40

200

156

145

110

85

18

3

-

-

4-18

13

50

230

170

160

125

100

20

3

-

-

4-18

13

65

290

-

180

145

120

22

3

-

-

8-18

16

80

310

-

195

160

135

24

3

-

-

8-18

20

100

350

-

230

190

160

28

3

-

-

8-23

25

125

400

-

270

220

188

30

3

-

-

8-25

32

150

480

-

300

250

218

34

3

-

-

8-25

40

200

600

-

360

310

278

16

3

-

-

12-25

50

4.0

15

130

80

95

65

45

16

2

4

40

4-14

6

20

150

90

105

75

55

16

2

4

51

4-14

6

25

160

110

115

85

65

16

2

4

58

4-14

8

32

180

127

135

100

78

18

2

4

66

4-18

8

40

200

156

145

110

85

18

3

4

76

4-18

13

50

230

170

160

125

100

20

3

4

88

4-18

13

65

290

-

180

145

120

22

3

4

110

8-18

16

80

310

-

195

160

135

22

3

4

121

8-18

20

100

350

-

230

190

160

24

3

4.5

150

8-23

25

125

400

-

270

220

188

28

3

4.5

176

8-25

32

150

480

-

300

250

218

30

3

4.5

204

8-25

40