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AWWA Standard Steel-Ring Flange [ 175-150 psi* ]

elbow-90

Table 2 Class D [ Blinds from Table 7 ]

Thickness Drilling Weight
Nom Size OD Slip-On Blind Bore Bolt Circle Hole Dia # of Holes Slip-on Blind
A T B C
4 9 0.625 0.625 4.57 7.5 0.75 8 8 11
5 10 0.625 0.65 5.66 8.5 0.875 8 9 14
6 11 0.688 0.693 6.72 9.5 0.875 8 11 19
8 13.5 0.688 0.812 8.72 11.75 0.875 8 15 33
10 16 0.688 0.953 10.88 14.25 1 12 19 54
12 19 0.812 1.117 12.88 17 1 12 33 90
14 21 0.938 1.133 14.19 18.75 1.125 12 47 111
16 23.5 1 1.265 16.19 21.25 1.125 16 60 155
18 25 1.062 1.331 18.19 22.75 1.25 16 64 185
20 27.5 1.125 1.448 20.19 25 1.25 20 79 244
22 29.5 1.188 1.568 22.19 27.25 1.375 20 90 304
24 32 1.25 1.661 24.19 29.5 1.375 20 112 378
26 34.25 1.312 1.786 26.19 31.75 1.375 24 129 466
28 36.5 1.312 1.906 28.19 34 1.375 28 141 565
30 38.75 1.375 2.008 30.19 36 1.375 28 164 671
32 41.75 1.5 2.15 32.19 38.5 1.625 28 211 834
34 43.75 1.5 2.252 34.19 40.5 1.625 32 220 959
36 46 1.625 2.37 36.19 42.75 1.625 32 261 1116
38 48.75 1.625 2.506 38.19 45.25 1.625 32 301 1325
40 50.75 1.625 2.609 40.19 47.25 1.625 36 313 1438
42 53 1.75 2.729 42.19 49.5 1.625 36 364 1706
44 55.25 1.75 2.849 44.19 51.75 1.625 40 387 1935
46 57.25 1.75 2.952 46.19 53.75 1.625 40 404 2153
48 59.5 1.875 3.072 48.19 56 1.625 44 460 2420
50 61.75 2 3.196 50.19 58.25 1.875 44 507 2712
52 64 2 3.315 52.19 60.5 1.875 44 542 3021
54 66.25 2.125 3.435 54.19 62.75 1.875 44 614 3355
60 73 2.25 3.779 60.19 69.25 1.875 52 763 4481
66 80 2.5 4.136 66.19 76 1.875 52 1021 5890
72 86.5 2.625 4.48 72.19 82.5 1.875 60 1203 7458
78 93 2.75 ... 78.19 89 2.125 64 1374 ...
84 99.75 2.875 ... 84.19 95.5 2.125 64 1646 ...
90 106.5 3 ... 90.19 102 2.438 68 1872 ...
96 113.25 3.25 ... 96.19 108.5 2.438 68 2291 ...
102 120 3.25 ... 102.19 114.5 2.688 72 2485 ...
108 126.75 3.375 ... 108.19 120.75 2.688 72 2884 ...
114 133.5 3.5 ... 114.19 126.75 2.938 76 3214 ...
120 140.25 3.5 ... 120.19 132.75 2.938 76 3558 ...
126 147 3.75 ... 126.19 139.25 3.188 80 4065 ...
132 153.75 3.875 ... 132.19 145.75 3.188 80 4614 ...
138 160.5 4 ... 138.19 152 3.438 84 5047 ...
144 167.25 4.125 ... 144.19 158.25 3.438 84 5680 ...

Dimensions are in pounds.

Notes:
(a) - *Pressure rating at atmospheric temperature: sizes 4-12 in. inclusive, 175 psi; sizes larger than 12 in., 150 psi.
(b) - These flanges have the same OD and drilling as ANSI/ASME B16.1 class 125 cast-iron flanges. In sizes 24in. and smaller, they also match ANSI/ASME B16.5 150-psi standard for steel flanges.

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In the lifeline of industries, our fittings make sure pipeline in fact life lines of our industries are in perfect fit always. we at Quality Forge & Fitting always strive to make fittings & flanges that are excellent in quality,rich in material content and made to perfection that will last forever.

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What Is Flange?

A flange is an external or internal ridge, or rim (lip), for strength, as the flange of an iron beam such as an I-beam or a T-beam; or for attachment to another object, as the flange on the end of a pipe, steam cylinder, etc., or on the lens mount of a camera; or for a flange of a rail car or tram wheel. Thus flanged wheels are wheels with a flange on one side to keep the wheels from running off the rails. The term "flange" is also used for a kind of tool used to form flanges. Pipes with flanges can be assembled and disassembled easily. read more

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