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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Welcome to Sunny Steel Enterprise Ltd.

Sunny Steel provide a wide range of steel products as Steel pipes, Seamless tube and seamless pipes, Alloy pipes, Pipe fittings, Composite steel pipe used in the industry, construction etc.
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Pipe fitting

Pipe fitting
Pipe fitting is work that involves the installation or repair of pipes or tubes. Pipes and tubes are necessary for a wide range of reasons.

Flanges General

Flanges General
A flange is a method of connecting pipes, valves, pumps and other equipment to form a piping system.