Product

Design spec

Face to face

Flange end

Test & check

Pressure-temp

specification

ASME B16.34BS1873

ASME B16.10

ASME B16.5JIS B2238

API 598

ASME B16.34

Size

L

D

D1

D2

b-f

Z-Φd

H

D0

1/2

108

90

60.3

34.9

8-2

4-16

235

120

3/4

117

100

69.9

42.9

8.9-2

4-16

241

120

1

127

110

79.4

50.8

9.6-2

4-16

242

140

11/4

140

115

88.9

63.5

11.2-2

4-16

280

160

11/2

165

125

98.4

73

12.7-2

4-16

315

180

2

203

150

120.7

92.1

14.3-2

4-19

350

220

21/2

216

180

139.7

104.8

15.9-2

4-19

370

240

3

241

190

152.4

127

17.5-2

4-19

385

280

4

292

230

190.5

157.2

22.3-2

8-19

454

280

5

356

255

215.9

185.7

22.3-2

8-22

472

350

6

406

280

241.3

215.9

23.9-2

8-22

541

350

8

495

345

298.5

269.9

27-2

8-22

590

450

10

622

405

362

323.8

28.6-2

12-25

780

500

12

698

485

431.8

381

30.2-2

12-25

870

550

14

787

535

476.3

412.8

33.4-2

12-29

900

600

16

914

595

539.8

469.9

35-2

16-29

1250

600

18

978

635

577.9

533.4

38.1-2

16-32

1320

610

20

978

700

635

584.2

41.3-2

20-32

1390

650