Dimensions of Class 300 RF Socket Weld Flanges

Expired

All dimensions are in "mm" unless noted otherwise.

Dimensions of Class 300 RF Socket Weld Flanges as per ASME B16.5.

Socket Weld Flange

Nominal
size		 Outside Dia
of Flange
(D)		 Thick of
Flange
(B)		 Dia of
Raised Face
(G)		 Dia of
Hub at Base
(A)		 Length
thru Hub
(H)		 Dia of
Bore
(ID)		 Depth of
Socket
(F)		 No of
Holes		 Dia of
Holes
(L)		 Dia of
Bolts		 Dia of
Bolt Circle
(K)		 Approx
Weight
(kg)
1/2 95.3 14.2 35.1 38.1 22.4 22.4 9.7 4 15.7 1/2 66.5 1
3/4 117.3 15.7 42.9 47.8 25.4 27.7 11.2 4 19.1 5/8 82.6 1
1 124 17.5 50.8 53.8 26.9 34.5 12.7 4 19.1 5/8 88.9 1
1-1/4 133.4 19.1 63.5 63.5 26.9 43.2 14.2 4 19.1 5/8 98.6 2
1-1/2 155.4 20.6 73.2 69.9 30.2 49.5 15.7 4 22.4 3/4 114.3 3
2 165.1 22.4 91.9 84.1 33.3 62 17.5 8 19.1 5/8 127 3
2-1/2 190.5 25.4 104.6 100.1 38.1 74.7 19.1 8 22.4 3/4 149.4 5
3 209.6 28.4 127 117.3 42.9 90.7 20.6 8 22.4 3/4 168.1 6
3-1/2 228.6 30.2 139.7 133.4 44.5 103.4   8 22.4 3/4 184.2 8
4 254 31.8 157.2 146.1 47.8 116.1   8 22.4 3/4 200.2 10
5 279.4 35.1 185.7 177.8 50.8 143.8   8 22.4 3/4 235 13
6 317.5 36.6 215.9 206.2 52.3 170.7   12 22.4 3/4 269.7 18
8 381 41.1 269.7 260.4 62 221.5   12 25.4 7/8 330.2 26
10 444.5 47.8 323.9 320.5 66.5 276.4   16 28.4 1 387.4 37
12 520.7 50.8 381 374.7 73.2 327.2   16 31.8 1-1/8 450.9 52
14 584.2 53.8 412.8 425.5 76.2 359.2   16 31.8 1-1/8 514.4 75
16 647.7 57.2 469.9 482.6 82.6 410.5   20 35.1 1-1/4 571.5 86
18 711.2 60.5 533.4 533.4 88.9 461.8   24 35.1 1-1/4 628.7 113
20 774.7 63.5 584.2 587.2 95.3 513.1   24 35.1 1-1/4 685.8 143
24 914.4 69.9 692.2 701.5 106.4 616   24 41.1 1-1/2 812.8 215
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