[TheForge] left-handed pipe thread?

[GHS]

Every heat run in my house has at least
one set of a left/right elbow and
nipple. They use these instead of a
union to make the last connection in the
basement beneath the radiators. Also
wall mounted sections of radiation are
often tapped left on one side right on
the other so that sections can be
screwed together. I have a die for
threading nipples for just this purpose.

Mike Graf

"Terry L. Ridder" wrote:
> 
> hello;
> 
> i really have to ask where left-handed pipe threads are
> used. i was visiting a friend today and he was moaning about
> a fouled up pipe fittings order. most of the fittings have
> left-handed pipe threads. some of the 90 degree elbows have
> one end left-handed and the other end is right handed. nearly
> ever pipe coupling is left-handed at one end and right-handed
> at the other end.
> 
> --
> Terry L. Ridder ><>
> 
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