What is PCD ? How to Calculate Cord Length of 8 Holes Flange?

The PCD of a flange is one of the critical dimensions.
PCD is called as Pitch Circle Diameter and usually measured in millimeters. It is usually used to measure the distance between the two opposite holes. If there are certain number of holes are in a circle and divided equally then we say the diameter of the circle as pitch circle diameter.
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[@MyHappyCats]

Good explaination sir

[@MohammedAli-gp4rx]

Please make video on how find unknown eblow drgree in piping system please

[@chemicalengineer1985]

Good information 👍

[@jomsonjkc5863]

Sir, pcd 98, so by taking circumference and dividing by 8, we get 38.4895 how is it...? Isn't this correct?

[@mohdmoazzam5123]

Sir mak video isometric drawing I want to learn so plz

[@amitmishra2582]

Straddle to centre line explain plz

[@mrpaschal2545]

Paschal IPE was here😂

[@entertainment5874]

You need clean voice plz speak in hindi 🙏

[@shivamsuraj28]

calculation is wrong