BLRF

material-composition
NOMINAL PIPE SIZE OUTSIDE DIA.(MM) THICKNESS MIN (MM) DIA. OF RAISED FACE (MM) NUMBER OF HOLES DIA. OF HOLES(MM) DIA. OF BOLT CIRCLE (MM) HEIGHT  OF RAISED FACE(MM) APPROX. WEIGHT(KG)
  D t G   h C f  
1/2" 95.3 14.2 35.1 4 15.7 66.5 6.4 0.8
3/4" 117.3 15.7 42.9 4 19.1 82.6 6.4 1.3
1" 124.0 17.5 50.8 4 19.1 88.9 6.4 1.6
1.1/4" 133.4 20.6 63.5 4 19.1 98.6 6.4 2.3
1.1/2" 155.4 22.4 73.2 4 22.4 114.3 6.4 3.3
2" 165.1 25.4 91.9 8 19.1 127.0 6.4 4.2
2.1/2" 190.5 28.4 104.6 8 22.4 149.4 6.4 6.2
3" 209.6 31.8 127.0 8 22.4 168.1 6.4 8.5
3.1/2" 228.6 35.1 139.7 8 25.4 184.2 6.4 11
4" 273.1 38.1 157.2 8 25.4 215.9 6.4 18
5" 330.2 44.5 185.7 8 28.4 266.7 6.4 30
6" 355.6 47.8 215.9 12 28.4 292.1 6.4 36
8" 419.1 55.6 269.7 12 31.8 349.3 6.4 65.9
10" 508.0 63.5 323.9 16 35.1 431.8 6.4 98
12" 558.8 66.5 381.0 20 35.1 489.0 6.4 124
14" 603.3 69.9 412.8 20 38.1 527.1 6.4 151
16" 685.8 76.2 469.9 20 41.1 603.3 6.4 214
18" 743.0 82.6 533.4 20 44.5 654.1 6.4 272
20" 812.8 88.9 584.2 24 44.5 723.9 6.4 349
22" 869.9 95.2 641.2 24 47.6 777.9 6.4 454
24" 939.8 101.6 692.2 24 50.8 838.2 6.4 533