Flange Dimensions Calculator

The Flange Dimensions Calculator will help you easily find basic measurements and bolting information for many of the commonly used flange standards in Australia.

Option 01Search by diameter
Option 02Search by category
Technical diagram of a flange face showing three key dimensions: Outside Diameter, Pitch Circle Diameter, and Hole Diameter, with bolt holes marked at equal intervals around the pitch circle
PropertyValue
Nominal SizeStandardClass/TableOutside DiameterPitch Circle DiameterNo. HolesHole DiameterBolt DiameterMinimum Flange Thickness
Cast IronDuctile IronCopper AlloySteel

Notes

  • Drilling for AS 4087 Class PN14 & PN16 is compatible with AS 2129, Table D
  • Drilling for AS 4087 Class PN21 & PN35 is compatible with AS 2129, Table F & Table H
  • Drilling for ISO 7005 is Compatible with AS/NZS 4331, BS 4504 & DIN 2533
  • Drilling for ANSI B16.5, Class 150 is Compatible with ANSI B16.1 Class 125

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The information provided in this website is provided as a guide only. Reece Ltd does not warrant or accept liability in relation to the accuracy of this information. Individual users should make their own assessment of the information provided.

Reece Ltd reserves the right to change specifications, designs and availability without prior notice. Due to limitations in computer displays the colours in this website are a guide only. Reece Ltd accepts no responsibility for possible errors or omissions.

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