How Many Bolts Are Needed for PVC Flanges on a Filter Column?

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For a filter column with a 315mm outside diameter and 3m length, standard PVC flanges are recommended due to the low pressure involved. The number and size of bolts depend on the specific design and load requirements, but using standard bolts for PVC flanges is advisable. It's important to include gaskets for a proper seal, especially with wire mesh between flanges. If custom design is pursued, understanding the expected loads and pressures is crucial for accurate analysis. Proper selection of materials and components will ensure the integrity of the filter column assembly.
Bashir2008
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Hello everyone.

I really in dire need of your help as i am not a mechanical engineer, so at this stage i am busy finding out the right design of PVC flanges for a filter column.
But the thing is
How to choose the right bolts ? i mean how many bolts should i have for my flanges and what size of bolts..

What i can tell u is my filter column is 315mm outside diameter and 3 m length and the filter is of 3 sections and i need to connect these sections by grey PVC flanges..and i will put a wire mesh between the flanges

by the way, the filter column is a clear PVC

So please how can i start with ?

Try to help me

Best regards
 
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Since it's PVC, it has to be relatively low pressure. Just use standard PVC flanges and the respective bolts and gaskets. That would be the easiest. If you want to design your own, you need to know the expected loads and pressures before starting an analysis.
 

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