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#51750 05/09/05 08:35 AM
Joined: Mar 2003
Posts: 849
Y
Member
Do they make a Propane PVC bender (3-4inch) similar to the electric ones you can buy??
Large Duct bank long ways from power don't wanna use generators if possible & Don't wanna use a weed burner!!

#51751 05/09/05 09:40 AM
Joined: Aug 2003
Posts: 1,374
R
Moderator
If it is propane, can you only bend wiring methods approved for hazardous locations? [Linked Image]

OT: Didn't 352.24 used to require listing for RNC bending equipment? It now (2002) says "identified".


Ryan Jackson,
Salt Lake City
#51752 05/09/05 11:28 AM
Joined: Jul 2004
Posts: 9,646
G
Member
you can't just stick it in the tailpipe of the truck ? ;-)

[This message has been edited by gfretwell (edited 05-09-2005).]


Greg Fretwell
#51753 05/09/05 05:06 PM
Joined: Nov 2000
Posts: 2,148
R
Member
We have one where propane is used to heat a glycol solution in a tube and you put the PVC into the tube. It is a bit messy, but very fast once you have the glycol up to heat. I think that it is a Greelee product.
Don


Don(resqcapt19)
#51754 05/09/05 05:16 PM
Joined: Jan 2003
Posts: 4,391
I
Moderator
Here is a propane hot box

http://www.ajbender.com/probend1100specs.htm

Here is a propane heat gun made for PVC bending.

http://www.hotbend.com/how_works.html

Greg you can use your exhaust, follow this link. [Linked Image]

http://www.pvcbender.com/index.html


Bob Badger
Construction & Maintenance Electrician
Massachusetts
#51755 05/09/05 05:17 PM
Joined: Dec 2004
Posts: 94
T
tkb Offline
Member
I know that greenlee used to have a propane glycol heater for large PVC, but they don't have it in their catalog anymore.

Try eBay.

#51756 05/09/05 08:25 PM
Joined: Oct 2004
Posts: 265
D
Member
The best way I have seen to fail a mandrill test is to use heat to bend pipe. I always buy factory bends for my 4".

#51757 05/11/05 09:10 PM
Joined: Apr 2002
Posts: 257
M
Member
We used the hot bend brand propane bender on 2" pvc. worked pretty good but took some getting use to. Not recommended for exposed PVC. Our work passed the mandrel test.

#51758 05/11/05 10:59 PM
Joined: Jul 2004
Posts: 9,646
G
Member
Bob I never really tried using the exhaust pipe trick but I heard Jim Pauley talk about it at a code seminar.


Greg Fretwell
#51759 05/11/05 11:32 PM
Joined: May 2005
Posts: 4
D
Junior Member
The exhaust pipe trick only works on the ends of the pipe and tends to collapse the pipe (gets to hot in one spot)and the ends have to be cut off because couplings and connectors wont go on.Just creating more work for yourself....look at the web site pvcbender.com it works great.


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