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Class 2D AWWA Standard Steel-Ring Flange

Table 2 Class D (Blinds from Table 7)

(Click any image above to enlarge it and lock it in place, then scroll to the bottom table for dimensions)

AWWA STANDARD STEEL-RING FLANGE (175-150 PSI*)

ThicknessDrillingWeight
Nom SizeODSlip-OnBlindBoreBolt CircleHole Dia# of HolesSlip-onBlind
ATBC
490.6250.6254.577.50.758811
5100.6250.655.668.50.8758914
6110.6880.6936.729.50.87581119
813.50.6880.8128.7211.750.87581533
10160.6880.95310.8814.251121954
12190.8121.11712.88171123390
14210.9381.13314.1918.751.1251247111
1623.511.26516.1921.251.1251660155
18251.0621.33118.1922.751.251664185
2027.51.1251.44820.19251.252079244
2229.51.1881.56822.1927.251.3752090304
24321.251.66124.1929.51.37520112378
2634.251.3121.78626.1931.751.37524129466
2836.51.3121.90628.19341.37528141565
3038.751.3752.00830.19361.37528164671
3241.751.52.1532.1938.51.62528211834
3443.751.52.25234.1940.51.62532220959
36461.6252.3736.1942.751.625322611116
3848.751.6252.50638.1945.251.625323011325
4050.751.6252.60940.1947.251.625363131438
42531.752.72942.1949.51.625363641706
4455.251.752.84944.1951.751.625403871935
4657.251.752.95246.1953.751.625404042153
4859.51.8753.07248.19561.625444602420
5061.7523.19650.1958.251.875445072712
526423.31552.1960.51.875445423021
5466.252.1253.43554.1962.751.875446143355
60732.253.77960.1969.251.875527634481
66802.54.13666.19761.8755210215890
7286.52.6254.4872.1982.51.8756012037458
78932.75……..78.19892.125641374……..
8499.752.875……..84.1995.52.125641646……..
90106.53……..90.191022.438681872……..
96113.253.25……..96.19108.52.438682291……..
1021203.25……..102.19114.52.688722485…….
108126.753.375……..108.19120.752.688722884……..
114133.53.5……..114.19126.752.938763214……..
120140.253.5……..120.19132.752.938763558……..
1261473.75……..126.19139.253.188804065……..
132153.753.875……..132.19145.753.188804614…….
138160.54……..138.191523.438845047……..
144167.254.125……..144.19158.253.438845680……..

Dimensions are in inches. Weights are in pounds.

Notes: *Pressure rating at atmospheric temperature: sizes 4-12 in. inclusive, 175 psi; sizes larger than 12 in., 150 psi. 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.

Class 2D AWWA Standard Steel-Ring Flange PDF (for printing).