It does not apply to buried pipelines nor to electrical conduits. Supports, brackets, or other accessories are specifically excluded from applications of this Standard. Piping is defined as conduits used to convey, distribute, mix, separate, discharge, meter, control, or snub fluid flows.
This classification includes fluids, which, under ambient or expected operating conditions, are a vapor or produce vapors that can be ignited and continue to burn in air. This classification includes fluids that can burn, but are not flammable. Oxidizing fluid is any gas or liquid that may, generally by providing oxygen, cause or contribute to the combustion of other material more than air does. This classification includes fluids that are corrosive or toxic, or will produce corrosive or toxic substances when released.
This classification includes water, foam, and CO2 used in sprinkler systems and fire fighting piping systems. Positive identificaion of the contents of a piping system shall be by lettered legend, giving the name of the contents in full or abbreviated form see Table 1. Arrows shall be used to indicate direction of flow. Where flow can be in both directions, arrows in both directions shall be displayed. System 1 Pipe Markers 2nd Most Popular Pipe Markers Available in 8 different sizes 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.
Brimar recommends 20 ft. Legends shall be installed on pipes to achieve the best visibility. The above information is an accurate interpretation of the standard and related changes. Open navigation menu. Close suggestions Search Search. User Settings. Skip carousel. Carousel Previous.
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