ASME/ANSI B16.5 Class 2500 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.


Nominal Pip Size Outside Diameter of FlangeDiameter of Raised FaceThickness of Flanges Min.Diameter of Bolt CircleDiameter of Bolt HolesNumber of BoltsApproximate Weight kgs
NPSORtfWIn 
1/213534.930.288.922.243.08
3/414042.931.895.222.243.54
116050.835.0108.025.445.08
1 1/418563.538.1130.228.647.45
1 1/220573.044.5146.031.8410.66
223592.150.9171.428.6815.66
2 1/2265104.857.2196.831.8822.41
3305127.066.7228.634.9834.96
4355157.276.2273.041.3853.91
5420185.792.1323.847.6891.42
6485215.9108.0368.354.08143.23
8550269.9127.0438.254.012212.79
10675323.8165.1539.866.712414.32
12760381.0184.2619.173.012589.99

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