» Flange & Fitting » AWWA C207 Class F Blind Flange

AWWA C207 Class F Blind Flange

July 8, 2020

Technical Drawing

Drawing of AWWA C207 Cl. F blind

The drawing of AWWA C207 Class F blind flange, with flat face (FF), available from 4″ through 48″.

The working pressure limit at water service temperature for AWWA C207 Class F blind flange is 300 psi and the maximum pressure (test or transient) allowed can be up to 450 psi. These flanges have the same outside diameter and drilling pattern as ASME B16.1 Class 250 cast-iron pipe and flanged fittings and ASME B16.5 Class 300 for steel flanges.

Dimensions & Masses

NPSATMASS
4"10.001.13010.72
5"11.001.21014.04
6"12.501.31019.46
8"15.001.31028.19
10"17.501.50043.34
12"20.501.63065.09
14"23.001.94097.56
16"25.502.140132.41
18"28.002.250167.91
20"30.502.330208.30
22"33.002.500263.60
24"36.002.690335.00
26"38.253.000413.61
28"40.753.130493.99
30"43.003.166559.95
32"45.253.332656.15
34"47.503.475757.58
36"50.003.671873.63
38"52.253.815996.58
40"54.253.9821118.63
42"57.004.1711300.64
44"59.254.3381467.36
46"61.504.5051639.28
48"65.004.7811953.58
*A: outside diameter of flange, inch; T: minimum thickness of flange, inch; Mass: weight of flange, kg.
*For AWWA C207 Class E blind, the minimum thickness is based on allowable stress of 16000 psi and allowable bolt stress of 25000 psi.

NPSnCd
4"87.880.750
5"89.250.750
6"1210.620.750
8"1213.000.875
10"1615.251.000
12"1617.751.125
14"2020.251.125
16"2022.501.250
18"2424.751.250
20"2427.001.250
22"2429.251.250
24"2432.001.500
26"2834.501.750
28"2837.001.750
30"2839.251.750
32"2841.501.750
34"2843.501.750
36"3246.002.000
38"3248.002.000
40"3650.252.000
42"3652.752.000
44"3655.002.000
46"4057.252.000
48"4060.752.000
*n: number of bolts; C: diameter of bolt circle, inch; d: diameter of bolts.

AWWA C207 Pipe Flange
Dimensions & Masses
Ring FlangeClass B | Class D
Class E | Class F
Blind FlangeClass B | Class D
Class E | Class F
Hub FlangeClass D | Class E
*Click to view more information about AWWA C207 steel flanges.

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