Complete dimensional data for ASME B16.5, B16.36 & B16.47 flanges — Class 150 through 2500, in metric and U.S. customary units.
Select an ASME standard to view detailed flange dimension charts.
Standard flanges — NPS ½″ to 24″, Class 150 to 2500
Metric & U.S. Customary units
Large diameter flanges — NPS 26″ and above
Series A & B, Class 75 to 900
Orifice flanges for pressure differential metering
Class 300 to 2500, welding neck design
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