While ANSI A13.1-2007 has strict standards for marking pipes, the rule of thumb for marking valves, while almost void, is very similar. Valves are considered to be an essential part of a piping system and they should follow the guidelines as if you were marking pipes.   Properly identifying valve types helps to avoid confusion, reduces search time and can drastically reduce the potential for dangerous and costly accidents.

Valve tags attach directly to valves, knobs and controls for critical proper valve identification and safety.  Choosing the right valve tag that best suits your needs is crucial. You should take into account the if the tag will be used indoors or out, what temperature the tag will be exposed to, the size the tag needs to be, its thickness and the size of the top hole for hanging. Valve tags are available in a variety of materials, including, but not limited to brass, aluminum, stainless steel and plastic.

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