If you’ve ever opened a catalog to order a pipe marker, you may have noticed that some legends have multiple ANSI standard pipe marker colors. Some of these substances include compressed air, heating return, and carbon dioxide – just to name a few. So why are there multiple pipe marker colors for one substance?
Well it has a lot to do with the state of that substance. Some substances are harmless in certain states, but can be considered toxic or… Continue
Posted on June 22, 2010 at 8:19am