I am looking for a way to bend a pvc (grey, plastic, used as drain pipes or as electrical wires conduit) pipe. The pipe's size: bore is about 10 cm; wall thickness about 2 mm; length about 2 m. I would like to bend this hose into an arc with radius about 1 m.
After heating the pipe with a gas torch I started bending it but the pipe buckles.
I filled the pipe with sand, heated it with a gas torch but the same problem arose.
Is there a 'trick' to prevent those buckling 'wrinkles'?
10cm? Thats 4" soil pipe! good luck with that pal. If it is 10cm bore then try 2x 90 or 4x135 degree bends.
BARBEARIAN
January 2010
I have used plumber's Barrier Pipe - plastic 15mm water pipe - a substitute for copper - to construct a hoop house system over my raised beds in the garden - covered, not that it matters with horticultural fleece. The diameter is about 48" so the rdaius is about 600mm. The end fixings are just a half inch hole in the wooden frame of the raised bed. I did not need to heat the pipe to bend it because it's flexible. When I remove it from the bed the bends remain much as they were. A heavy fall of snow collapses the hoop house but as the snow melts it quickly returns to its original profile.
Consider Barrier Pipe - I bought 50M for about £35 from Screwfix.
Good luck...
Peccavi
January 2010
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