You should just use 90 degree pvc elbows unless you have a hot box or blanket to make straight pieces into curves. Don't forget the more angles you put the harder the pull, but in your case with such small wire it won't matter. If you lived closer I could give you a can of glue to put your pvc pipes together.
He is talking running EMT and bending, I don't think a wennie roaster or heat blanket will produce enough heat to bend that.