公称通径DN Nominal diameter

结构长度（标准值） Structure length (standard)

连接尺寸（标准值） Connection dimension(standard)

PN0.6MPa

PN1.0MPa

PN1.6MPa

PN2.5MPa

毫米mm

L

D1

D2

Z-d

D1

D2

Z-d

D1

D2

Z-d

D1

D2

Z-d

50

43

110

88

4-14

125

99

4-18

125

99

4-18

125

99

4-18

65

46

130

108

4-14

145

118

4-18

145

118

4-18

145

118

4-18

80

64

150

124

4-18

160

132

4-18

160

132

4-18

160

132

4-18

100

64

170

144

4-18

180

156

4-18

180

156

4-18

190

156

4-22

125

70

200

174

4-18

210

184

4-18

210

184

4-18

220

184

4-26

150

76

225

199

4-18

240

211

4-22

240

211

4-22

250

211

4-26

200

89

280

254

4-18

295

266

4-22

295

266

4-22

310

274

4-26

250

114

335

309

4-18

350

319

4-22

355

319

4-26

370

330

4-30

300

114

395

363

4-22

400

370

4-22

410

370

4-26

430

389

4-30

350

127

445

413

4-22

460

429

4-22

470

429

4-26

490

448

4-33

400

140

495

463

4-22

515

480

4-26

525

480

4-30

550

503

4-36

450

152

550

518

4-22

565

530

4-26

585

548

4-30

600

548

4-36

500

152

600

568

4-22

620

582

4-26

650

609

4-33

660

609

4-36

600

154

705

667

4-26

725

682

4-30

770

720

4-36

770

720

4-39

700

165

810

772

4-26

840

794

4-30

840

794

4-36

875

820

4-42

800

190

920

878

4-30

950

901

4-33

950

901

4-39

990

928

4-48

900

203

1020

978

4-30

1050

1001

4-33

1050

1001

4-39

1090

1028

4-48

1000

216

1120

1078

4-30

1160

1112

4-36

1170

1112

4-42

1210

1140

4-55

1200

254

1340

1295

4-33

1380

1328

4-39

1390

1328

4-48

1420

1350

4-55

1400

279

1560

1510

4-36

1590

1530

4-42

1590

1530

4-48

1640

1560

4-60

1600

318

1760

1710

4-36

1820

1750

4-48

1820

1750

4-55

1860

1780

4-60

1800

356

1970

1718

4-39

2020

1950

4-48

2020

1950

4-55

2070

1985

4-68

2000

406

2180

2125

4-42

2230

2150

4-48

2230

2150

4-60

2300

2210

4-68