Flanges Blind - Class 300 RF ASME 16.47 Series A

Expired

All dimensions are in "mm" unless noted otherwise.

Dimensions of Class 300 RF Blind Flanges Series A as per ASME B16.47.

Blind Flange

Nominal
Pipe Size		 OD of
Flange
(O)		 Thickness
of Flange
(C)		 Dia of
Raised Face
(R)		 Dia of
Bolt Circle
(B)		 No of
Bolt
Holes		 Dia of
Bolt
Holes		 Dia of
Bolt		 Approx
Weight
(kg)
26 971.6 84.1 749.3 876.3 28 44.5 41.4  460
28 1035.1 90.4 800.1 939.8 28 44.5 41.4 566 
30 1092.2 95.3 857.3 997 28 47.8 44.5 663 
32 1149.4 100.1 914.4 1054.1 28 50.8 47.8 771 
34 1206.5 104.6 965.2 1104.9 28 50.8 47.8 893 
36 1270 111.3 1022.4 1168.4 32 53.8 50.8 1044 
38 1168.4 108 1028.7 1092.2 32 41.1 38.1 875 
40 1238.3 114.3 1085.9 1155.7 32 44.5 41.4 1039 
42 1289.1 119.1 1136.7 1206.5 32 44.5 41.4 1177 
44 1352.6 124 1193.8 1263.7 32 47.8 44.5 1346 
46 1416.1 128.5 1244.6 1320.8 28 50.8 47.8 1536 
48 1466.9 108 1358.9 1422.4 32 41.1 38.1 1707 
50 1530.4 139.7 1358.9 1428.8 32 53.8 50.8 1944 
52 1581.2 144.5 1409.7 1479.6 32 53.8 50.8 2153 
54 1657.4 152.4 1466.9 1549.4 28 60.5 57.2 2494 
56 1708.2 153.9 1517.7 1600.2 28 60.5 57.2 2682 
58 1759 158.8 1574.8 1651 32 60.5 57.2 2925 
60 1809.8 163.6 1625.6 1701.8 32 60.5 57.2 3198 
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