S
Sylvan Tieger
BO**OCKS they most be accessible read the rule book![]()
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Not all codes use the NFPA 54 there is no RULE BOOK In America as the national code sets up minimum standards which civilized parts of the country refuse to use as we have a higher standard.
Also consider this list has foreigners on it and one countries rules do not reflect another's
Some allow the use of unions or left and right nipplle and couplings BUT compression in a 42 story building I DONT THINK SO