Posted by SELMA MALAK on October 18, 2001 at 06:48:00:
In Reply to: Re: boiler room piping color code posted by Tom on February 20, 2000 at 08:05:26:
: ANSI has standard codes. Water is green. Compressed Air is Blue. Natural gas is yellow. If compressed air or water pressure is greater tahn 125lbs, then they should be yellow also. Fire protection is red. Get a copy of the standards.