公称

通径

DN

公称压力PN/MPa(bar)

Ti

T

2.0

(20)

5.0(50),  11.0(110), 15.0(150), 26.0(260)

5.0

(50)

11.0

(110)

15.0

(150)

26.0

(260)

D2mi

D3ma

₄

D2min

D3mt

D4

D3mm

₄

D3me

₄

D3ma

₄

10

15

20

18.7

26.6

32.4

40.1

——

46.5

56

18.7

25

二

32.4

40.1

52.5

66.5

——

32.4

40.1

 一

52.5

64.5

 一

32.4

40.1

62.5

69

32.4

40.1

62.5

69

2.0

或

3.0

3.2 或 4.5

公称

通径

DN

公称压力PN/MPa(bar)

Ti

T

2.0

(20)

5.0(50),  11.0(110), 15.0(150), 26.0(260)

5.0

(50)

11.0

(110)

15.0

(150)

26.0

(260)

D2min

D3ma

₄

D2min

D3ma

₄

D3ma

D4

D3me

₄

D3me

₄

25

32

40

50

65

80

100

125

150

200

250

300

350

400

450

500

600

650

700

750

800

850

900

950

1000

1050

1100

1150

1200

1250

1300

1350

1400

1450

1500

32.9

45.6

53.6

69.5 82.2 101.2

126.6 153.6 180.6

231.4 286.9 339.3

371.1 421.9 475.9

526.7 631.4

660

711

762

813

864

914

965

1016

1067

1118

1168

1219

1270

1321

1371

1422

1475

1524

48

60.9 70.4

86.1 98.9

121.1

149.6 178.4 210

263.9 317.9 375.1

406.8 464

527.5

578.3 686.2

737.3 788.3 845.3

896.3 946.8

997.8

1018 1071.1 1131.5

1182.3 1229

1287.1

1349.4 1398.2 1455.4

1506.2 1563.3 1614.1

65.5

75

84.5

104.5

123.5

136.5

174.5

196

221.5

278.5

338

408

449

513

548

605

716.5

773

830

881

939

990

1047

1111

1161

1218

1275

1326

1383

1435

1492

1549

1606

1663

1714

31.4

44.1

50.4

66.3

79

94.9

120.3

147.2

174.2

225

280.6

333

364.7

415.5

469.5

520.3

625.1

660

711

762

813

864

914

965

1016

1067

1118

1168

1219

1270

1321

1371

1422

1475

1524

48

60.9

70.4

86.1

98.9

121.1

149.6

178.4

210

263.9 317.9 375.1

406.8

464

527.5

578.3 686.2

737.3 788.3 845.3

896.3 946.3 997.8

1018  1071.1 1131.5

1182.3

1229

1287.1

1347.4 1398.2 1455.4

1506.2 1563.3 1614.1

73

82.5

94.5

111

129

148.5

180

215

250

306

360.5 421

484.5 538.5 595.5

653

774

834

898

952

1006

1057

1136

1053

1114

1164

1219

1273

1324

1377

1428

1493

1544

1595

1706

48

60.9 70.4

86.1 98.9

121.1

149.6

178.4

210

263.9 317.9 375.1

406.8

464

527.5

578.3 686.2

737.3 788.3 845.3

896.3 946.3 1004.3

1042.6 1098.5 1156.9

1214.1 1264.9 1322

1372.8 1423.6 1480.8

1531.6 1588.7 1645.9

73

82.5

94.5

111

129

148.5

192

240

265

319

399

456

491

564

612

682

790

866

912

970

1024

1074

1130

1106

1157

1219

1270

1327

1388

1448

1499

1556

1615

1666

1732

48

60.9

70.4

86.1 98.9 121.1

149.6

178.4

210

263.9 317.9 375.1

406.8

464

527.5

578.3 686.2

737.3 788.3 845.3

902.5 953.3 1010.5

1087.1 1150.6 1201.4

1258.5

1322

1372.8

77.5

87

97

141  163.5 166.5

205  246.5 287.5

357.5

434

497.5

520

574

638

697.5 837.5

880

946

1040

1076

1136

1199

1199

1250

1301

1369

1437

1488

48  60.9

70.4

86.1 98.9

121.1

149.6

178.4

210

263.9 317.9 375.1

406.8

464

527.5

578.3 686.2

77.5

87

97

141

163.5

173

208.5

253

281.5

351.5 434.5 519.5

579

641

702.5

756

900.5

2.0

或

3.0

3.2

或

4.5

3.0

或

4.0

4.5

或

6.5