"Edwin Pawlowski" wrote in message
news:FFOni.6724$Wh4.695@trndny06...

"kool" wrote in message

Galvanized pipe and fittings are for water, not gas.

Or more specifically for OP if indeed didn't know, galvanized is not
used for gas because impurities in natural gas can react negatively w/
the zinc.


That's an old wives(husbands) tale.This used to be the case years ago
when the zinc coating would flake off, but methods of bonding have
improved over the years. Galvanized sched. 40 pipe is not only approved
but is recommended for natural gas use, specially outdoors and/or
underground,in most juridictions.

Better read up
http://www.mesacounty.us/building/res_plumbing.htm
6. Galvanized coated pipe is not deemed adequate coating for underground
use.

http://www.acehardware.com/sm-learn-...g-1267591.html
Galvanized pipe is commonly used for water systems, black pipe for
manufactured and natural gas. Galvanized pipe should never be used for gas
installations. Plumbing codes in many areas require that black pipe,
especially that used underground, be coated and wrapped.

Our local inspect still does not allow galvanized for any gas. That
varies by jurisdiction.

One of us has "read up"

From YOUR first link

2. Shall be standard weight wrought iron or steel (galvanized or black),
yellow brass (containing not more than 75% copper) or internally tinned or
equivalently treated copper of iron pipe size.
http://www.pgworks.com/documents/piping%20specs.pdf
1.4.2 Pipe exposed to the weather must be properly sized. Galvanized pipe or
protectively coated wrought iron or steel pipe shall be used.
http://www.uniongas.com/business/cha...rification.pdf
Due to the changes in natural gas content
and plumbing practices, it was decided
that "galvanized" pipe and fittings is now
acceptable for use with natural gas if a
person wishes to use it.

Who do you believe True hardware or Union Gas?