Dimesions of steel ring flanges class B 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 B Flange (86 psi*)

NPSThick.DrillingWeight
ODSlip-OnBlindBoreBolt CircleHole DiaNumber HolesSlip-onBlind
ATTBC
49.000.6250.6254.577.500.7508811
510.000.6250.6255.668.500.8758914
611.000.6880.6886.729.500.87581119
813.500.6880.6888.7211.750.87581528
1016.000.6880.68810.8814.251.000121939
1219.000.6880.71912.8817.001.000122858
1421.000.6880.79114.1918.751.125123478
1623.500.6880.89216.1921.251.1251641110
1825.000.6880.95018.1922.751.2501641132
2027.500.6881.04020.1925.001.2502049175
2229.500.7501.13222.1927.251.3752057219
2432.000.7501.21624.1929.501.3752067277
2634.250.8121.30726.1931.751.3752480341
2836.500.8751.39828.1934.001.3752894414
3038.750.8751.47730.1936.001.37528105493
3241.750.9361.58132.1938.501.62528132613
3443.750.9381.66134.1940.501.62532137707
3646.001.0001.75136.1942.751.62532161824
3848.751.0001.85338.1945.251.62532185980
4050.751.0001.93340.1947.251.625361931108
4253.001.1252.02342.1949.501.625362341264
4455.251.1252.11444.1951.751.625402491436
4657.251.1252.19446.1953.751.625402601600
4859.501.2502.28548.1956.001.625443061800
5061.751.2502.37750.1958.251.875443172017
5264.001.2502.46852.1960.501.875443392249
5466.251.3752.55954.1962.751.875443972499
6073.001.5002.82060.1969.251.875525083344
6680.001.6253.09266.1976.001.875526644403
7286.501.7503.35372.1982.501.875608025582
7893.002.00078.1989.002.125641000
8499.752.00084.1995.502.125641145
90106.502.25090.19102.002.438681404
96113.252.25096.19108.502.438681586
102120.002.500102.19114.502.688721912
108126.752.500108.19120.752.688722136
114133.502.750114.19126.752.938762525
120140.252.750120.19132.752.938762795
126147.003.000126.19139.253.188803252
132153.753.000132.19145.753.188803572
138160.503.250138.19152.003.438844101
144167.253.250144.19158.253.438844475

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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