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ASME B16.5
Flange Dimensions

Explore dimensional data for standard pipe flanges, including outside diameter, flange thickness, bolt circle, bore and bolting details.

½″–24″ NPS Range

150–2500 Pressure Classes

6 Flange Types

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ASME B16.5

Browse Flanges by Pressure Class

Select a pressure class below to explore ASME B16.5 flange dimensions, including outside diameter, thickness, bolt circle, bolt-hole details and facing dimensions.

CLASS 150 FLANGES

ASME B16.5 · NPS ½″–24″

NPS Range ½″–24″ Flange Types WN, SO, BL, SW, TH, LJ Standard ASME B16.5 Pressure Class 150

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CLASS 300 FLANGES

ASME B16.5 · NPS ½″–24″

NPS Range ½″–24″ Flange Types WN, SO, BL, SW, TH, LJ Standard ASME B16.5 Pressure Class 300

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CLASS 400 FLANGES

ASME B16.5 · NPS ½″–24″

NPS Range ½″–24″ Flange Types WN, SO, BL, TH, LJ Standard ASME B16.5 Pressure Class 400

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CLASS 600 FLANGES

ASME B16.5 · NPS ½″–24″

NPS Range ½″–24″ Flange Types WN, SO, BL, SW, TH, LJ Standard ASME B16.5 Pressure Class 600

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CLASS 900 FLANGES

ASME B16.5 · NPS ½″–24″

NPS Range ½″–24″ Flange Types WN, SO, BL, SW, TH, LJ Standard ASME B16.5 Pressure Class 900

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CLASS 1500 FLANGES

ASME B16.5 · NPS ½″–24″

NPS Range ½″–24″ Flange Types WN, SO, BL, SW, TH, LJ Standard ASME B16.5 Pressure Class 1500

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CLASS 2500 FLANGES

ASME B16.5 · NPS ½″–12″

NPS Range ½″–12″ Flange Types WN, BL, TH, LJ Standard ASME B16.5 Pressure Class 2500

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ASME B16.5 Flange Dimensions

Browse Flanges by Pressure Class

CLASS 150 FLANGES

CLASS 300 FLANGES

CLASS 400 FLANGES

CLASS 600 FLANGES

CLASS 900 FLANGES

CLASS 1500 FLANGES

CLASS 2500 FLANGES

Need ASME B16.5 Flanges for Your Project?

ASME B16.5
Flange Dimensions