RGS Long Sweep

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mstrlucky74

Senior Member
Location
NJ
So have a lot of 4” RGS interior long sweep elbow( don’t have exact sweep). Was told bending long sweep can’t be done and pre-fab elbows have to be used. True?
 

infinity

Moderator
Staff member
Location
New Jersey
Occupation
Journeyman Electrician
Depends on the size of the radius and what you're using to bend it. If I remember correctly a 4' radius bend on 4" RMC requires about 10' of pipe to make a 90° elbow. I see no reason to bend them in the field. :happysad:
 

Fulthrotl

~Autocorrect is My Worst Enema.~
Google concentric bends and you will get information on how field bend to any radius you desire.

But doing so is very labor intensive.

it's labor intensive in whatever fab shop has to do it, as well.
hence the absurd price.

i've done 4" OCAL sweeps to follow the stairs up the side of a
floating lid oil storage tank.... if you think it sucks bending them,
try spinning them on..... i didn't have to do very many of them,
one tanks worth, and i still don't know why they needed something
that big to the top of a tank.... i think i'd a put whatever they
were going to power somewhere else....
 
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