ISO

BM138-139-LAP JOINT FLANGES

 

Class-150 & Class-300

Lap Joint Flanges Pipe Fittings


  • Designed as per ASME standards.
  • High quality antirust oil coating.
  • Graded forging to ensure crack free installation.

 B&M-138
Class150
N.Bore

A

B

F

N

O P R T Holes
15 89 11.1 30 16 23 60.3 3 15.9 4
20 98 12.7 38 16 28 69.8 3 15.9 4
25 108 14.3 49 17 35 79.4 3 15.9 4
32 117 15.9 59 21 43.5 88.9 5 15.9 4
40 127 17.5 65 22 50 98.4 6.5 15.9 4
50 152 19 78 25 62.5 120.6 8 19 4
65 178 22.2 90 29 75.5 139.7 8 19 4
80 190 23.8 108 30 91.5 152.4 9.5 19 4
90 216 23.8 122 32 104 177.8 9.5 19 8
100 229 23.8 135 33 117 190.5 11 19 8
125 254 23.8 164 37 145 215.9 11 22.2 8
150 279 25.4 192 40 171 241.3 12.5 22.2 8
200 343 28 246 44 222 288.4 12.5 22.2 8
250 406 30.2 305 49 277 362 12.5 25.4 12
300 483 34.8 365 56 328 431.8 12.5 25.4 12


 B&M-139 Class300
N.Bore

A

B

F

N

O

P R T Holes
15 95 14.3 38 22 23 66.7 3 15.9 4
20 117 15.9 48 25 28 82.6 3 19 4
25 124 17.5 54 27 35 88.9 3 19 4
32 133 19 64 27 43.5 98.4 5 19 4
40 156 20.6 70 30 50 114.3 6.5 22.2 4
50 165 22.2 84 33 62.5 127 8 19 8
65 190 25.4 100 38 75.5 149.2 8 22.2 8
80 210 28.6 117 43 91.5 168.3 9.5 22.2 8
90 229 30.2 133 44 104 184.2 9.5 22.2 8
100 254 31.8 146 48 117 200 11 22.2 8
125 279 34.9 178 51 145 235 11 22.2 8
150 318 36.5 206 52 171 269.9 12.5 22.2 12
200 381 41.3 260 62 222 330.2 12.5 25.4 12
250 444 47.6 321 67 277 387.4 12.5 28.6 16
300 521 50.8 375 73 328 450.8 12.5 31.8 16


 

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