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Design and production

Length of structure

Flange size

Pressure-Temperature

Experiment-test

GB12237

GB12221

GB9113 Jb79

GB9131

JB/T9092

Nominal pressurePN(Lb)

1.6

2.5

4.0

Strength test

2.4

3.8

6.0

Water Seal Test

1.8

2.8

4.4

Gas seal test

0.4-0.7

Body

WCB

ZG1Cr18Ni9Ti

CF8

CF3

ZG1Cr18Ni12Mo2Ti

CF8M

CF3M

Body valve handle

ZCr13

1Cr18Ni9Ti

304

304L

1Cr18Ni12Mo2Ti

316

316L

valve seat

PTFE+Glass PPL

spacer

PTFE Stainless Steel / Flexible Graphite spacer

valve handle seat

PTFE Stainless Steel / Flexible Graphite

packing

PTFE Reinforced Flexible Graphite

packing cap

WCB

1Cr18Ni9Ti

304

304L

1Cr18Ni12Mo2Ti

316

316L

Operating temperature

-29～150( PTFE) -29～200( PTFE+GLASS) -29～300( PPL)

Medium

Water\Steam\oil

Nitric acid

Strong oxidizing media

acetic acid

urea

1.6MPa

DN

L

D

D1

D2

b

N-φd

H

D0

Q41F
Q41PPL
16C
16P
16R

15

130

95

65

45

14

4-φ14

78

140

20

140

105

75

55

14

4-φ14

84

160

25

150

115

85

65

14

4-φ14

95

180

32

165

135

100

78

16

4-φ18

150

250

40

180

145

110

85

16

4-φ18

150

300

50

200

160

125

100

16

4-φ18

170

350

65

220

180

145

120

18

4-φ1 8

195

350

80

250

195

160

135

20

8-φ18

215

400

100

280

215

180

155

20

8-φ18

250

500

125

320

245

210

185

22

8-φ18

265

600

150

360

280

240

210

24

8-φ23

270

800

200

400

335

295

265

26

12-φ23

330

1200

2.5MPa

15

130

95

65

45

16

4-φ14

103

140

Q41F
Q41PPL
25
25P
25R

20

140

105

75

55

16

4-φ14

112

160

25

150

115

85

65

16

4-φ14

123

180

32

165

135

100

78

18

4-φ18

150

250

40

180

145

110

85

18

4-φ18

156

300

50

200

160

125

100

20

4-φ18

172

350

65

220

180

145

120

22

8-φ18

197

350

80

250

195

160

135

22

8-φ18

222

400

100

280

230

190

160

24

8-φ23

253

500

125

320

270

220

188

28

8-φ25

275

600

150

360

300

250

218

30

8-φ25

286

800

200

400

360

310

278

34

12-φ25

340

1200

4.0MPa

DN

L

D

D1

D2

D6

b

N-φd

H

D0

Q41F
Q41F
Q41PPL
40
40P
40R

15

130

95

65

45

40

16

4-φ14

103

140

20

140

105

75

55

51

16

4-φ14

112

160

25

150

115

85

65

58

16

4-φ14

123

160

32

180

135

100

78

66

18

4-φl8

150

250

40

200

145

110

85

76

18

4-φ18

156

250

50

220

160

125

100

88

20

4-φ18

172

350

65

250

180

145

120

110

22

8-φ18

197

350

80

280

195

160

135

121

22

8-φ18

222

450

100

320

230

190

160

150

24

8-φ23

253

450

125

400

270

220

188

176

28

8-φ25

275

600

150

400

300

250

218

204

30

8-φ25

286

800

200

550

375

320

282

260

38

12-φ30

340

1200

6.4MPa

15

165

105

75

55

40

18

4-φ14

105

140

Q41F
Q41PPL
64
64P
64R

20

190

125

90

68

51

20

4-φ18

125

160

25

21 6

135

100

78

58

22

4-φ18

135

250

32

229

150

110

82

66

24

4-φ23

150

350

40

241

165

125

95

76

24

4-φ23

165

350

50

292

175

135

105

88

26

4-φ23

175

450

65

330

200

160

130

110

28

8-φ23

200

450

80

356

210

170

140

121

30

8-φ23

210

600

100

432

250

200

168

150

32

8-φ25

250

700

125

508

295

240

202

176

36

8-φ30

295

1100

150

559

340

280

240

204

38

8-φ34

340

1500