Dimensions in MM of ANSI B 16.5 Class 300

Size D B G M H1 H2 H3 A B1 B2 K N O P Thread
  O.D. THK R.F. DIA HUB OD W/N SORF LAP JOINT NECK OD WNRF ID ID SW/
LAP/SORF
PCD NO. OF HOLES HOLE DIA DEP T
1/2" 95.2 14.3 34.9 38.1 52.4 22.2 22.2 21.3 15.7 22.35 66.7 4 15.9 9.6 15.7
3/4" 117.5 15.9 42.9 47.6 57.1 25.4 25.4 26.7 20.8 27.70 82.5 4 19.0 11.1 15.7
1" 123.8 17.5 50.8 54.0 61.9 26.9 26.9 33.5 25.7 34.54 88.9 4 19.0 12.7 17.5
1.1/4" 133.3 19.0 63.5 63.5 65.1 26.9 26.9 42.2 35.1 43.20 98.4 4 19.0 14.3 20.5
1.1/2" 155.6 20.6 73.0 69.8 68.3 30.2 30.2 48.3 40.9 49.50 114.3 4 22.2 15.9 22.3
2" 165.1 22.2 92.1 84.1 69.8 33.3 33.3 60.4 52.6 62.00 127.0 8 19.0 17.5 28.4
2.1/2" 190.5 25.4 104.8 100.0 76.2 38.1 38.1 73.1 62.7 74.70 149.2 8 22.2 19.0 31.7
3" 209.5 28.6 127.0 117.5 79.4 42.9 42.9 88.9 78.0 90.70 168.3 8 22.2 20.6 31.7
3.1/2" 228.6 30.2 139.7 133.4 81.0 44.4 44.4 101.6 90.2 103.50 184.1 8 22.2   36.5
4" 254.0 31.8 157.2 146.1 85.7 47.6 47.6 114.3 102.4 116.00 200.0 8 22.2 36.5
5" 279.4 34.9 185.7 177.8 98.4 50.8 50.8 141.2 128.3 143.80 234.9 8 22.2 42.9
6" 317.5 36.5 215.9 206.4 98.4 52.4 52.4 168.4 152.4 170.50 269.9 12 22.2 45.9
8" 381.0 41.3 269.9 260.4 111.1 61.9 61.9 219.2 202.7 221.50 330.2 12 25.4 50.8
10" 444.5 47.6 323.8 320.7 117.5 66.7 95.2 273.0 254.5 276.40 387.3 16 28.6 55.6
12" 520.7 50.8 381.0 374.6 130.2 73.0 101.6 323.8 304.8 327.20 450.8 16 31.7 60.4
14" 584.2 54.0 412.7 425.5 142.9 76.2 111.1 355.6 336.6 359.20 514.3 20 31.7 63.5
16" 647.7 57.2 469.9 482.6 146.0 82.5 120.6 406.4 387.35 410.50 571.5 20 34.9 68.3
18" 711.2 60.3 533.4 533.4 158.7 88.9 130.2 457.2 438.15 461.80 628.6 24 34.9 69.8
20" 774.7 63.5 584.2 587.4 161.9 95.2 139.7 508.0 489.00 513.10 685.8 24 34.9 73.1

 

 

Features

  • Highly durable
  • Dimensionally accurate
  • Excellent performance
  • Simple installation

Range

  • Weldneck
  • Slip-on
  • Socket weld
  • Lap joint
  • Threaded
  • Swivel
  • Blind
  • Orifice & anchor/hanger.

Specifications

We follow below mention standards for MS Flanges.