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About Your
Plumbing
Plastic pipe is widely available, is convenient to use,
and is gaining acceptance by local regulatory authorities.
However, it would be wise to be sure of local approval before
any plastic piping is used in your installation. Pipe and
fittings bearing the mark of the National Sanitation Foundation
(NSF) should be used, since this assures you of physical
and chemical quality. IF PLASTIC PIPE IS USED IN AN INSTALLATION,
A GROUND STRAP AROUND THE PLASTIC SECTION OF THE WATER LINE
IS ESSENIAL TO AVOID BREAKING ANY EXISTING ELECTRONIC GROUNDING.There
are several types of plastic piping commonly used. Flexible
plastic pipe is connected to fittings with screw-type clamps
(often called hose clamps), or with compression-type fittings.
Rigid plastic pipe is solvent cemented to fittings. Threaded
plastic fittings may also be used to join plastic pipe to
galvanized piping or copper tube.When solvent cementing
rigid plastic pipe, these steps should be followed:
- Cut the pipe with a hack saw.
- Clean all burrs and shavings from the
end of the pipe, including the inside surfaces.
- Clean all surfaces to be solvent cemented
with cleaning solvent suitable for use with plastic
pipe.
- Apply solvent cement to the surfaces
of both the tubing and the fitting to be joined.
- Immediately push the tubing into the
fitting until the tubing bottoms on the shoulder of
the fitting.
- Make any adjustments to the joint quickly
before the solvent cement set.
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