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Electrofusion

August 24th, 2009 · 1 Comment · geothermal, installation

A bit of a dilemma with a recent header construction.  This is one end of a vertical closed loop installation.  The client has an existing, but unused well, that we have inserted two U-tubes in to take advantage of this fact.  Prior to finishing the fusion of the header, the majority of our header was backfilled by a motivated general contractor.

The problem is you don’t have any play left in the pipes in order to socket fuse fittings on.

The problem

The problem

So, like most new problems, we slept on it.  Granted, we could have fused in a bunch of horizontal elbows and made a nasty looking header.

But then electrofusion seemed the obvious answer.  Some quick calls and we had sourced the equipment and the fittings.

IMG_3364 (Medium)

The solution.

Now electrofusion is not going to replace small-sized socket fusion anytime soon.  It is expensive, requires specialized gear and fittings, is fussy, and noisy when having to run a generator.  But in this case, it was very useful to have it as an option.

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