ASME/ANSI B16.5 Class 150 BL

Pipe flange is a method of connecting pipes, valves, pumps and other equipment to form a piping system. It also provides easy access for cleaning, inspection or modification.
ASME/ANSI B16.5 Class 150 BLASME/ANSI B16.5 Class 150 BL
Nominal Pipe Size Outside Diameter of FlangeDiameter of Raised FaceThickness of Flanges Min.Diameter of Bolt CircleDiameter of Bolt HolesNumber of BoltsApproximate Weight kgs
NPSORtfWIn 
1/29034.99.660.315.940.44
3/410042.911.269.915.940.64
111050.812.779.415.940.90
1 1/411563.514.388.915.941.13
1 1/212573.015.998.415.941.50
215092.117.5120.719.142.38
2 1/2180104.820.7139.719.144.09
3190127.022.3152.419.144.97
3 1/2215139.722.3177.819.186.20
4230157.222.3190.519.187.18
5255185.722.3215.922.288.83
6280215.923.9241.322.2811.55
8345269.927.0298.522.2820.07
10405323.828.6362.025.41228.87
12485381.030.2431.825.41244.18
14535412.833.4476.328.61259.07
16595469.935.0539.828.61676.36
18635533.438.1577.931.81694.51
20700584.241.3635.031.820123.94
24815692.246.1749.334.920187.90

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