Dimensions of Class 300 Slip-On Flanges

Expired

All dimensions are in "mm" unless noted otherwise.

Dimensions of Class 300 Slip On Flanges as per ASME B16.5.

Slip On Flange

Nominal
Pipe Size		 Outside
diameter of
flange
(D)		 Thick of
flange
(B)		 Diameter of
Hub at base
(A)		 Diameter of
raised face
(G)		 Length
thru Hub
(H)		 Dia of
bore
(ID)		 No of
holes		 Dia of
holes
(L)		 Dia of
bolts		 Diam of
bolt circle
(K)		 Approx
weight
kg
1/2 95.3 14.2 35.1 38.1 22.4 22.4 4 15.7 1/2 66.5 1
3/4 117.3 15.7 42.9 47.8 25.4 27.7 4 19.1 5/8 82.6 1
1 124 17.5 50.8 53.8 26.9 34.5 4 19.1 5/8 88.9 1
1-1/4 133.4 19.1 63.5 63.5 26.9 43.2 4 19.1 5/8 98.6 2
1-1/2 155.4 20.6 73.2 69.9 30.2 49.5 4 22.4 3/4 114.3 3
2 165.1 22.4 91.9 84.1 33.3 62 8 19.1 5/8 127 3
2-1/2 190.5 25.4 104.6 100.1 38.1 74.7 8 22.4 3/4 149.4 5
3 209.6 28.4 127 117.3 42.9 90.7 22.4 8 3/4 168.1 6
3-1/2 228.6 30.2 139.7 133.4 44.5 103.4 22.4 8 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 73/93 330.2 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 20 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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