flange size
flange size
(OP)
can any one tell me whether pipe schedule is required while selecting a flange
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RE: flange size
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RE: flange size
RE: flange size
If your flanges are to be "Slip-On" Flanges, then 'No' you do not need to specify the pipe inside-diameter (ID) when buying the Flanges. This is because the pipe slides inside the flange so the ID at the flange joint is the ID of the pipe.
However, if your flanges are Weld-Neck flanges then you should purchase the flanges to match the ID of the Pipe. If you are using Schedule 40 pipe you would not want the flange vendor to unload a bunch of flanges with a XXH bore on you. Or if you are using XXH pipe you would not want a flange vendor to supply flanges with a Schedule 40 bore. In most sizes either case could force you into an extra cost operation to taper-bore (one or the other) to make a proper fit and weld.
I recommend that you always buy your flanges to match your pipe.
RE: flange size
RE: flange size
RE: flange size
Kenneth J Hueston, PEng
Principal
Sturni-Hueston Engineering Inc
Edmonton, Alberta Canada
RE: flange size