Dimesions of steel hub flanges class E AWWA C207

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AWWA C207-18 STEEL PIPE FLANGES FOR WATERWORKS SERVICE—SIZES 4 IN. THROUGH 144 IN. (100 MM THROUGH 3,600 MM)

The AWWA C207  is an American National Standard for steel pipe flanges for waterworks service, sizes 4″ through 144″ (100 mm through 3600 mm). The AWWA is the abbreviation of “American Water Works Association”. The origin of AWWA C207 can be dated back to year 1942 when a paper proposing standards for slip-on steel-ring flanges for welding to steel water pipes. This standard was necessary because the lowest pressure ratings for steel flanges at that time were those having cold-water pressure ratings of 275 psi (1896 KPa). The ratings are far higher than those ordinarily needed for water service (150 psi / 1034 KPa) primary pressure rating.

AWWA-C207-FLANGE.

AWWA-C207-FLANGE.

Awwa C207 Class E Hub Flange (275 psi*)

Normal Pipe SizeDrillin
Outer DiameterThick.Overall Thick.Diameter at BaseBoreBolt CircleHole DiaNumber HolesWeight
ATLEBC
49.000.9381.3125.3124.577.500.750813
510.000.9381.4386.4385.668.500.875814
611.001.0001.5627.5626.729.500.875817
813.501.1251.7509.6888.7211.750.875828
1016.001.1881.93812.00010.8814.251.0001237
1219.001.2502.18814.37512.8817.001.0001259
1421.001.3752.25015.75014.1918.751.1251278
1623.501.4382.50018.00016.1921.251.12516101
1825.001.5622.68819.87518.1922.751.25016110
2027.501.6882.87522.00020.1925.001.25020139
2229.501.8123.12524.00022.1927.251.37520162
2432.001.8753.25026.12524.1929.501.37520197
2634.252.0003.37528.50026.1931.751.37524235
2836.502.0623.43830.75028.1934.001.37528269
3038.752.1253.50032.75030.1936.001.37528303
3241.752.2503.62535.00032.1938.501.62528375
3443.752.3123.68837.00034.1940.501.62532401
3646.002.3753.75039.25036.1942.751.62532452
3848.752.3753.75041.75038.1945.251.62532528
4050.752.5003.87543.75040.1947.251.62536573
4253.002.6254.00046.00042.1949.501.62536648
4455.252.6254.00048.00044.1951.751.62540688
4657.252.6884.06250.00046.1953.751.62540733
4859.502.7504.12552.25048.1956.001.62544799
5061.752.7504.12554.25050.1958.251.87544827
5264.002.8754.25056.50052.1960.501.87544922
5466.253.0004.37558.75054.1962.751.875441024
6073.003.1254.50065.25060.1969.251.875521253
6680.003.3754.87571.50066.1976.001.875521623
7286.503.5005.00078.50072.1982.501.875601922
7893.003.8755.37584.50078.1989.002.125642279
8499.753.8755.37590.50084.1995.502.125642586
90106.504.2505.75096.75090.19102.002.438683061
96113.254.2505.750102.75096.19108.502.438683432

All AWWA STANDARD

 

AWWA C207-19 , AWWA C218-19
Dimesions of steel hub flanges class D AWWA C207
Dimesions of steel hub flanges class E AWWA C207
Dimesions of steel ring flanges class B AWWA C207
Dimesions of steel ring flanges class D AWWA C207
Dimesions of steel ring flanges class E AWWA C207
Dimesions of steel ring flanges class F AWWA C207
AWWA C228-19 Ring Flange Classes SA, SB, SD, SE
AWWA C228-19 blind flange dimension and weight

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