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PIPE BENDS

thread378-3463

PIPE BENDS

PIPE BENDS

(OP)
CAN SOMEONE DIRECT ME TO A CHART OR JUST SOME GOOD INFORMATION ON MIN. BEND RADIUS' OF STD STEEL PIPE, SUCH
AS MIN RADIUS FOR A 2.5" SCH 40 PIPE?
 THANX,
 JOHN McCLELLAND
Replies continue below

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RE: PIPE BENDS

If you are talking about standard buttwelded fittings, the normal radiuses are 1D, 1.5D, and 3D, where D is the nominal pipe diameter.  If you are talking about bending pipe to form bends, then 3D is about the minimum practical bending radius.

RE: PIPE BENDS

KINDLY REFER ASME B16.9 FOR LONG RADIUS ELBOWS AND ASME B16.28 FOR SHORT RADIUS ELBOWS (i.e 1D ELBOWS) FOR STANDARD BUTTWELDING FITTINGS.

RE: PIPE BENDS

For pipe bend, minimum bend radius should be 5 x the nominal pipe size.

Wall thinning from bending should be considered as the reply of butelja in "Wall thinning and MAWP for bent tubing (Thread378-6377)".

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