miter joints
miter joints
(OP)
I have been trying to find information on miter joints. CFR 192.233 only allows up to 3 degree miter joints but can't locate any info as to why they are not allowed. Can someone explain why not?
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RE: miter joints
§ 192.233 Miter joints.
(a) A miter joint on steel pipe to be operated at a pressure that produces a hoop stress of 30 percent or more of SMYS may not deflect the pipe more than 3°.
(b) A miter joint on steel pipe to be operated at a pressure that produces a hoop stress of less than 30 percent, but more than 10 percent, of SMYS may not deflect the pipe more than 12 1⁄2° and must be a distance equal to one pipe diameter or more away from any other miter joint, as measured from the crotch of each joint.
(c) A miter joint on steel pipe to be operated at a pressure that produces a hoop stress of 10 percent or less of SMYS may not deflect the pipe more than 90°.
RE: miter joints
Mike Halloran
Pembroke Pines, FL, USA
RE: miter joints
I think of "delfect the pipe", as change in piping direction though a fabricated elbow.
Cheers
RE: miter joints
3* means 30 joints in a 90* bend.