Tuesday, January 4, 2022

ASME B 16.5-2003 CLASS 2500

ASME B 16.5-2003 CLASS 150

ASME B 16.5-2003 CLASS 2500

FLANGE 

THICKNESS

LTB

DRILLINE DATA

CLASS 2500

FLANGE 

OUTSIDE 

DIAMETER

THICKNESS 

OF 

FLANCE 

MIN

BOSSED

LENGTH

WELD 

NECK

LENGTH

*

LAP JOINT

LENGTH

LONG 

WELD

NECK

LENGTH

PITCH

CIRCLE

DIAMETER

BOLT

HOLE

DIAMETER

NUMBER

OF

BOLT

HOLES

NOMINAL 

PIPE SIZE

OD

T & T1

L

L1

L2

L3

PCD

H

#

MM

INCH

135

30.2

47.0

80

40

229

88.9

22

4

15

1/2

140

31.8

50.0

86

43

229

95.2

22

4

20

3/4

160

35

55.0

96

48

229

108

26

4

25

1

185

38.1

59.0

102

52

229

130.2

29

4

32

1 1/4

205

44.5

67.0

118

60

229

146

32

4

40

1 1/2

235

50.9

77.0

134

70

229

171.4

29

8

50

2

265

57.2

86.0

150

79

229

196.8

32

8

65

2 1/2

305

66.7

175

92

229

228.6

35

8

80

3

355

76.2

197

108

305

273

42

8

100

4

420

92.1

235

130

305

323.8

48

8

125

5

485

108

280

152

305

368.3

54

8

150

6

550

127

324

178

305

438.2

54

12

200

8

675

165.1

426

229

406

539.8

67

12

250

10

760

184.2

471

254

406

619.1

73

12

300

12

NOTES:*Schedule of weld neck to be indicated.

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