Flange Comparison Table
 
SIZE STAND-ARD CLASS FLANGE DIAMETER BOLT HOLE P.C.D. BOLT HOLE DIAMETER FLANGE THICKNESS RAISED FACE DIAMETER RAISED FACE HEIGHT No. OF BOLTS
D P d t R f N
ins mm ins mm ins mm ins mm ins mm ins mm  
1 1/4" 32mm ASME B16.5 150 4 5/8 117 3 1/2 89  5/8 16  5/8 16 2 1/2 64   1/16 1.6 4
300 5 1/4 133 3 7/8 98  3/4 19  3/4 19
600 13/16 21  1/4 6.4
900 6 1/4 159 4 3/8 111 1 25 1 1/8 29
BS EN 1092/1 (PN) 16 5 1/2 140 3 15/16 100  11/16 18  5/8 16 3  1/16 78   1/16 2 4
25  11/16 18
40
BS 10 E 4 3/4 121 3  7/16 87   9/16 14  1/2 13   4
F 5 1/4 133 3 7/8 98  11/16 18
H  11/16 18 3 76   1/16 2
J  3/4 19
R  7/8 22
 
BACK