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Pipe Markers
PIPE MARKERS
ANSI / ASME A13.1 2007 The legend (name of the pipe content) and directional flow arrow remain the primary means of identifying pipe content. The size and placement of the marker and arrow has not changed. The secondary means of ID is the color code of the marker. That portion of the standard has changed dramatically. In addition, the terminology of inherently hazardous or non hazardous has been removed from the standard. Latest Revision ANSI / ASME A13.1 2007: ANSI / ASME A13.1 is the most common pipe identification standard used in the United States, and until the latest revision dated 2007 the standard has been unchanged for nearly a half a century. The standard specifies the primary and secondary means of identifying pipe content, as well as, the size, color and placement of the identification device. Primary Identification: The legend (name of the pipe content) and directional flow arrow remain the primary means of identifying pipe content. The size and placement of the marker and arrow has not changed. See ANSI/ ASME Size Chart below and installation guide for details. Secondary Identification: The secondary means of identification is the color code of the marker. That portion of the standard has changed dramatically. In addition, the terminology of inherently hazardous or non hazardous has been removed from the standard. The most obvious change, which will affect most of LEM customers is the color code assignment of two of the most widely use color combination of Yellow/ Black and Green / White. The combination of Yellow /Black is now assigned with flammable fluids and Green / White shall now identify potable, coiling, boiler feed and other waters. These two changes mean that legends such as hot water, cold water and steam will now all use the color code of Green / White. The other significant color changes include the addition of Brown / White for combustible fluids and Orange / Black for toxic and corrosive fluids. The fact that the standards has identified specific colors for flammable fluids, combustible fluids and toxic or corrosive fluids means that LEM Products Inc. and our customers must consult Material Safety Data Sheets before selecting a color. Further, if the pipe content contains multiple hazards (flammable and toxic) it must be determined which poses the greatest risk. In another example, if chilled or heating water systems contain a toxic treatment the color combination should be Orange / Black. The new 2007 standard also for the first time identifies four additional user defined color combinations and specifically identifies all of the actual colors to be used. The exact colors are contained in the ANSI Z535.1-2007 standard. Pipemarker.com meets ANSI & ASME A13.1 2007 Type and Letter Size requirements: LEM Products Inc. uses sans serif gothic bold lettering (Arial Bold) when creating our markers to provide high readability and contrast with marker color. Pipemarker.com meets ANSI & ASME A13.1 2007 Marker Size requirements: LEM Products Inc.follows size recommendations supplied on this standard for our pipe markers. LEM Products Inc. meets ANSI & ASME A13.1 2007 Color requirements: LEM Products’ color selection matches the color scheme specified in the ANSI Z535.1 2002 (ANSI Z53.1) latest standards. ANSI / ASME A13.1 1996 Color Scheme:
ANSI / ASME A13.1 2007 Color Scheme:
ANSI / ASME A13.1 2007 Size Chart (Pipe Overall Diameter, Marker Size & Letter height) The following chart shows the recommended pipe marker letter height and marker size based on the outside pipe diameter of the pipe to be identified. For pipes smaller than 3/4" and for valve identification, the use of a permanent legible tag is recommended.
Compliance: The new standard does not require the replacement of previously installed markers. The standard only applies to new installations. LEM Products pipe markers comply with ANSI / ASME A13.1 standards. LEM Products Inc. is aware that it is not realistic for everyone to adopt the new 2007 standard therefore LEM will continue to offer markers that comply with the old and new standards. Installation: Legends shall be installed close to valves Legends shall be installed near branches and whenever a pipe changes direction. Legends shall be installed before and after all wall, floor and ceiling penetrations. Legends shall be at frequent intervals on straight pipe runs. LEM Products Inc. recommends 20 ft. Legends shall be installed on pipes to achieve the best visibility. |
