Alkaline pipeline which rings are applied. GOST “pipeline marking. State standard of the USSR
Protective painting of pipelines is the main way to prevent corrosion and aggressive environmental influences on the pipe material. The main task of protective painting is to prevent pipeline contact with environment over the entire range of operating parameters of the pipeline.
Completely different, but no less important function performs a mandatory element - identification painting of pipelines. It is designed to quickly identify the substance transported through the pipeline and its degree of danger.
Regulatory documentation for identification painting of pipelines
In each industry, there is one that regulates the issues of identification coloring of pipelines, however, all these documents either refer to or repeat the requirements of the main standard for identifying pipelines in Russian Federation — .
Such unification of the marking makes it possible to unambiguously determine the contents of the pipeline at any facility - from a small modular boiler house to a nuclear power plant and an oil refinery.
Exceptions to which the requirements do not apply are pipelines with medical gases, ship and aviation pipelines.
Basic requirements for identification painting of pipelines
Identification painting of pipelines provides for color identification depending on the transported medium, as well as the application of warning rings that determine the degree of danger of the contents of the pipeline.
There are ten enlarged groups of substances, each of which corresponds to a certain color (table 1):
Table 1 - Colors of identification coloring of pipelines | ||
Substance being transported | Samples and name of colors of identification coloring | |
Group number | Name | |
1 | Water | Green |
2 | Steam | Red |
3 | Air | Blue |
4 5 | combustible gases Non-flammable gases | Yellow |
6 | acids | Orange |
7 | alkalis | Violet |
8 9 | Flammable liquids Non-flammable liquids | Brown |
10 | Other substances | Grey |
Often, identification and protective coloring are combined - a coating of the color that characterizes the transported medium is applied to the pipeline.
However, in many cases this is not possible, for example:
- - the protective coating required under specific conditions has a color different from that required by;
- - a heat-insulating structure is mounted on the pipeline;
- - the pipeline already has a factory protective coating;
- - the pipeline is made of non-ferrous metal and its coloring is not required.
In these cases, the standard allows protective painting not along the entire length of the pipeline, but in sections.
With this method, the use of different colors is much more effective. They are easier and faster to apply to the pipeline, and the durability and presentability of such markings are much higher.
The width of the colored sections for pipelines with a diameter (including thermal insulation) up to 300 mm must be at least four diameters, and for pipelines with a diameter of more than 300 mm - at least two diameters. On pipelines of large diameters, it is allowed to apply the color in the form of strips with a height of at least ¼ of the pipeline circumference.
The intervals for applying the identification coloring of pipelines should be no more than 10 meters indoors, as well as on outdoor installations, and no more than 60 meters on external main pipelines.
Elements of identification coloring should be applied at the passage of pipelines through walls and ceilings, at the installation sites of stop valves, at the inputs and outputs in buildings and installations.
More details on the requirements for the identification coloring of pipelines can be found in.
It is also mandatory to apply warning rings that carry information about the degree of danger of the medium in the pipeline. The color and number of rings are shown in tables 2-3, and the application scheme is in drawing 1.
Table 2 - Colors of warning rings | ||
Signal color samples | Name of signal colors | Property of the transported substance |
Red | Flammable, flammable and explosive | |
Yellow | Danger or harmfulness (poison, toxicity, ability to cause asphyxiation, thermal or chemical burns, radioactivity, high pressure or deep vacuum, etc.) | |
Green | Security or Neutrality |
Table 3 - Number of warning rings | ||||
Group | Number of warning rings | Substance being transported | Pressure in kgf/cm² | Temperature in °С |
1 | One | superheated steam | up to 22 | 250 to 350 |
Hot water, saturated steam | 16 to 80 | St. 120 | ||
Superheated and saturated steam, hot water | 1 to 16 | 120 to 250 | ||
up to 25 | From minus 70 to 250 | |||
Up to 64 | From minus 70 to 350 | |||
2 | Two | superheated steam | Up to 39 | 350 to 450 |
Hot water, saturated steam | 80 to 184 | St. 120 | ||
Products with toxic properties (except for highly toxic substances and fuming acids) | Up to 16 | From minus 70 to 350 | ||
Combustible (including liquefied and active gases, flammable and combustible liquids) | 25 to 64 | 250 to 350 and minus 70 to 0 | ||
Non-flammable liquids and vapors, inert gases | 64 to 100 | From 340 to 450 and from minus 70 to 0 | ||
3 | Three | superheated steam | Regardless of the pressure | 450 to 660 |
Hot water, saturated steam | St. 184 | St. 120 | ||
Potent toxic substances (SDN) and fuming acids | Regardless of the pressure | From minus 70 to 700 | ||
Other products with toxic properties | St. 16 | From minus 70 to 700 | ||
Combustible (including liquefied and active gases, flammable and combustible liquids) | Regardless of the pressure | 350 to 750 | ||
Non-flammable liquids and vapors, inert gases | Regardless of the pressure | 450 to 700 |
If it is necessary to apply yellow rings to pipes with gas (yellow) or acids (orange), their readability will be difficult. For this case, it provides for the implementation of black borders on the warning rings with a width of at least 10 mm.
A similar requirement applies in the case of applying green rings to a pipeline with water (also green) - white borders with a width of at least 10 mm are applied along the edges of the rings.
Simplify the work of applying colored warning rings to pipelines, which, if necessary, may already contain borders of the required color.
However, even more effective is the use of tapes that simultaneously have a background color corresponding to the group of the transported substance and the necessary warning rings. In this case, the cost and speed of applying the identification coloring of pipelines is significantly reduced.
An example of marking pipelines with self-adhesive tapes
An obligatory element of identification coloration is the placement in accessible places of the premises or site of the enterprise of schemes and posters indicating the relevant requirements.
To specify the substances transported through pipelines and their parameters, it is necessary to use markings or shields in accordance with the requirements. Shields must contain the name of the substance, the direction of its movement, as well as the appropriate danger signs. The color, shape, size and font of the inscription must comply with the requirements of the aforementioned standard.
Get to know the range.
GOST 14202-69 Pipelines of industrial enterprises. Identification painting, warning signs and labels.
This GOST defines the requirements for labeling labelspipelines. Coloring should be standard, warningsigns, the presence of an arrow that indicates the direction of movementsubstances and names of substances.
Colors and dimensions of pipeline marking in accordance with GOST 14202-69
Unmarked pipes can be hazardous to life and property. Accidents, injuries and damage to equipment can be authorized by people who do not know what is in a particular pipe.
Proper pipe identification prevents fatal errors. Accidents that occur due to negligence in enterprises lead to physical and psychological consequences for the personnel and are often very costly for the enterprise.
Proper pipe identification is a guarantee of the best understanding of the building structure and a clear understanding quickly for new workers and temporary staff. At the same time, this simplifies repair work and prevents time-consuming searches for the cause of a breakdown. In the event of an accident, correctly made identification will save such valuable time - and perhaps even help save someone's life.
PRICE
pipeline marking GOST 14202-69
Dimensions of the sticker for marking the pipeline, depending on the diameter of the pipe |
sticker price In rubles with VAT 18% |
Sticker for marking the pipeline arrow, size 126x26 mm for pipes with a diameter of up to 80 mm. | from 4.50 |
Sticker for marking the pipeline arrow, size 252x52 mm for pipes with a diameter of 81 to 160 mm. | from 13.90 |
Sticker for marking the pipeline arrow, size 358x74 mm for pipes with a diameter of 161 to 220 mm. | from 27.00 |
Sticker for marking the pipeline arrow, size 507x105 mm for pipes with a diameter of 221 to 300 mm. | from 46.80 |
Sticker for marking the pipeline arrow, size 716x148 mm for pipes with a diameter of more than 300 mm. | from 70.00 |
Minimum amount order 5000 rubles.
Marking pipelines arrows, stickers.
All substances that are transported through pipelines are divided into 10 groups. Each group was assigned a color. This did not affect only the groups “Combustible gases” and “Non-combustible gases”, and “Combustible liquids” and “Non-combustible liquids” - all gases are indicated in yellow, and liquids in brown.
Marking of pipelines "Water"
The Water group has green color. Marking pipelines arrows (or stickers) "WATER" have a clarification of what water is transported through the pipes:
cold water, hot water, city water, hot water supply, hot water return, cold water supply, cold water return, heating supply, heating return, distilled water, return water, cold water, water for injection, clean water, technical water, drinking water, contaminated water, condensate, condensate supply, condensate return, saline water, purified water, drainage, make-up water, direct heating, direct boiler circuit, raw water, boiler circuit return, heating return, feed water, make-up water, direct DHW, chemically treated water, warm water, chilled water, sealing water, contaminated condensate, clean condensate, mixing water, decanter water, waste water, waste water, heat transfer medium, return heat transfer medium, fire extinguishing water
All these names of "Water" are depicted on a green background in white or black letters and have a white or black edging, respectively, around the perimeter of the marking arrow or a sticker on the pipeline.
Marking pipelines "Steam"
The red background is used to designate the following group of substances transported through pipelines: "STEAM". Pipeline marking arrows (stickers) of the "PAR" group are:
steam, wet steam, wet saturated steam, steam return, deaf steam, heating steam, saturated steam, hot steam, steam high pressure, low pressure steam, medium pressure steam, clean steam, dry steam, industrial steam, fire extinguishing steam, superheated steam, dry saturated steam, steam supply, technical steam, return steam, supply steam, water steam, treated steam, live steam, flash steam.
These names are written in black or white letters on a red background. And the arrows for marking pipelines of the "PAR" group have a white or black border.
Marking of pipelines "Air"
The marking of pipelines of the "AIR" group has a blue (cyan) color. Arrows marking "AIR" have different names:
air, atmospheric air, vacuum, high pressure air, low pressure air, pressure air, dry air, moist air, exhaust air, exhaust air, compressed dry air, instrumentation air, hot air, ventilation air, compressed air, blast air, polluted air, heated air, outside air, exhaust air, cooled air, purified air, supply air, recirculated air, sterile air, exhaust air, cooled air, cold air.
The letters and edging on the marker are contrasting - black or white.
Pipeline marking "Gas"
The fourth group "GAS" combustible and non-combustible. Arrows for marking pipelines "GAS" of bright yellow color. Write in black on a yellow field:
gas, nitrogen, nitrogen for fire extinguishing, ammonia, argon, argon for fire extinguishing, acetylene, biomethane, bromoethylene, butane, hydrogen, exhaust gases, high pressure gas, low pressure gas, helium, gas-air mixture, dimethylamine, sulfur dioxide, flue gases, inert gas, foul-smelling gas, isobutane, methane, propane, hydrogen sulfide, liquefied gas, chlorine, ethylene, purified gas, sulfuric acid vapours, carbon dioxide, gas mixture, purge gas, vinyl chloride, oxygen, methane, ozone, nitrogen oxide, natural gas, fuel gas, carbon monoxide, freon, fluorine, hydrogen fluoride, chloromethane, pure gas, ethane, cyclopropane.
Marking of pipelines "Acid"
The sixth acid group. On an orange background, in black letters:
acid, nitric acid, lemon acid, sulfuric acid, hydrochloric acid, acetic acid, waste acid, acidic water.
Marking of pipelines "Alkalis"
The seventh group of alkali. For the manufacture of markings on pipelines for the transportation of alkali, purple markers are used, with white or black writing of the transported substance:
alkali, ammonia, caustic soda 10%, caustic soda 17%, sodium nitrite.
Marking pipelines "Liquid"
Liquids, whether flammable or not, are all displayed in brown. And, as a rule, they write in white on the arrows marking pipelines:
liquids, sewerage, centrifuge, oil, crude oil, refined oil, diesel fuel, sugar syrup, fresh yeast, cider base, juice concentrate, initial oil sludge, oil sludge for decanter, prepared oil sludge, oil sludge, substandard oil, flocculant, deacidified sulfate soap, tall oil, sulfate soap, black lye.
Marking of pipelines "Other substances"
Gray color denotes other substances, including powder, loose, aqueous pulps, gels, etc.
Perhaps you will also find information on .
Arrows, names of the transported substance of own production in rolls
Hazard symbols applied to arrows marking pipelines
Flammable substances |
Explosives |
Toxic substances |
Corrosive Substances |
radioactive substances |
Oxidizer |
Biological hazard |
Harmful and allergic substances |
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Liquids Acids
Alkali gas
Designation of the type of substance on the arrows
marking pipelines with numbers
Numerical designations | Substance being transported Name |
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1 | Water | ||||||||||||||||||||
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2 | Steam | ||||||||||||||||||||
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3 | Air | ||||||||||||||||||||
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4 | combustible gases | ||||||||||||||||||||
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5 | Non-flammable gases | ||||||||||||||||||||
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6 | acids | ||||||||||||||||||||
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7 | alkalis | ||||||||||||||||||||
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8 | Flammable liquids | ||||||||||||||||||||
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9 | Non-flammable liquids | ||||||||||||||||||||
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0 | Other substances | ||||||||||||||||||||
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put into action
Decree of the State Standard of the USSR
INTERSTATE STANDARD
PIPELINES OF INDUSTRIAL ENTERPRISES
IDENTIFICATION COLORATION, WARNING SIGNS
LABELS
Pipe lines of industrial plants.
Identification coloring, safety signs
and marking screens
GOST 14202-69
Group G19
By the Decree of the Committee of Standards, Measures and Measuring Instruments under the Council of Ministers of the USSR dated February 7, 1969 N 168, the introduction date was set from 01.01.71.
1. This standard applies to the identification coloring, warning signs and marking plates of pipelines (including fittings, fittings, fittings and insulation) at designed, newly built, reconstructed and existing industrial enterprises inside buildings, at outdoor installations and communications located on overpasses and in underground channels in order to quickly determine the contents of pipelines and facilitate the management of production processes, as well as ensuring labor safety.
The standard does not apply to the identification coloring of pipelines and ducts with electrical wiring.
2. The following ten enlarged groups of substances transported through pipelines are established:
1) water;
2) steam;
3) air;
4) combustible gases (including liquefied gases);
5) non-flammable gases (including liquefied gases);
6) acids;
7) alkalis;
8) combustible liquids;
9) non-flammable liquids;
0) other substances.
3. Identification coloring and digital designation of enlarged groups of pipelines must correspond to those indicated in Table. 1.
Table 1
──────────────────────────────────────────┬───────────────────────
Transported substance│Samples and name
────────────────────────────────────────────┤color recognition
Numerical designation │Name│body color
groups││
──────────────────────┴───────────────────┴───────────────────────
1WaterGreen
2PairRed
──────────────────────────────────────────────────────────────────
3AirBlue
──────────────────────────────────────────────────────────────────
4Combustible gasesYellow
5 Non-combustible gases
──────────────────────────────────────────────────────────────────
6AcidOrange
──────────────────────────────────────────────────────────────────
7AlkaliViolet
──────────────────────────────────────────────────────────────────
8Flammable liquidsBrown
9 Non-flammable liquids
──────────────────────────────────────────────────────────────────
0Other substancesGrey
4. Characteristics of colors of identification coloring should correspond to those specified in Appendix 1.
5. Fire-fighting pipelines, regardless of their contents (water, foam, steam for extinguishing a fire, etc.), sprinkler and deluge systems in the areas of shut-off and control valves and at the points of connection of hoses and other fire extinguishing devices must be painted red ( signal).
If it is necessary to indicate the contents of fire-fighting pipelines, it is allowed to additionally designate them by means of marking plates painted in the appropriate distinctive colors.
6. Identification painting of pipelines should be carried out continuously over the entire surface of communications or in separate sections.
The method for performing identification painting should be selected depending on the location of the pipelines, their length, diameter, the number of lines located together, safety and industrial sanitation requirements, lighting conditions and visibility of pipelines for maintenance personnel and the general architectural solution.
It is recommended to paint pipelines in sections in workshops with a large number and length of communications, as well as in cases where, due to the increased requirements for color rendering and the nature of the architectural solution of the interior, a concentration of bright colors is undesirable due to working conditions.
Identification painting over the entire surface of pipelines is recommended for use with a small length and a relatively small number of communications, if it does not worsen working conditions in the shops.
On outdoor installations, it is recommended to use identification coloring over the entire surface only in cases where this does not cause deterioration of operating conditions due to the effect of solar radiation on communications.
7. When applying identification coloring in sections to pipelines located inside industrial premises, it is recommended to paint the rest of the communications surface in the color of walls, partitions, ceilings and other interior elements against which the pipelines are located. At the same time, it is not allowed to paint pipelines between sections with an identification color adopted to designate other enlarged groups of substances.
8. When applying identification coloring in sections to pipelines located outside buildings, it is recommended to paint the rest of the communications surface in colors that help reduce the thermal effect of solar radiation on pipelines.
9. When laying communications in impassable channels and when laying communications without channels, areas of identification coloring on pipelines should be applied within the chambers and manholes.
10. Areas of identification coloring should be applied taking into account local conditions at the most critical communication points (at branches, at joints, flanges, at sampling and instrumentation points, at places where pipelines pass through walls, partitions, ceilings, at inputs and outputs from industrial buildings etc.) at least every 10 m inside production facilities and outdoor installations and every 30 - 60 m on external trunk routes.
11. The width of the areas of identification coloring should be taken depending on the outer diameter of the pipelines (including insulation):
for pipes with a diameter of up to 300 mm - at least four diameters;
for pipes with a diameter of more than 300 mm - at least two diameters.
At more it is recommended to take the areas of identification coloring on all pipelines of the same width and apply them at the same intervals.
With large diameters of pipelines, areas of identification coloring may be applied in the form of strips with a height of at least 1/4 of the pipeline circumference.
The width of the strips must correspond to the dimensions established for pipelines of a given diameter.
12. To designate the most hazardous substances transported by properties, warning color rings should be applied to pipelines.
The colors of the identification color for warning rings must correspond to those indicated in Table. 2.
table 2
Notes. 1. When applying yellow rings for identification coloring of pipelines of gases and acids, the rings must have black borders with a width of at least 10 mm.
2. When applying green rings for the identification color of water pipelines, the rings must have white borders with a width of at least 10 mm.
13. In cases where a substance simultaneously has several dangerous properties, indicated by different colors, rings of several colors should be applied to pipelines at the same time.
On vacuum pipelines, in addition to the distinctive color, it is necessary to give the inscription "vacuum".
14. According to the degree of danger to human life and health or the operation of the enterprise, substances transported through pipelines should be divided into three groups, indicated by the corresponding number of warning rings in accordance with Table. 3.
Table 3
┌──────┬──────────┬─────────────────────────┬─────────────┬───────────┐
│Group│Amount│Transported│ Pressure in│Temperature│
││warning-│substance│kgf/cm(2)│in °C│
││giving││││
││rings││││
│1│One│ Superheated steam│ Up to 22│From 250│
│││││up to 350│
│││ Hot water, saturated│ From 16 to 80 │St. 120│
│││steam│││
│││ Superheated and saturated │ From 1 to 16│From 120│
│││steam, hot water││up to 250│
│││ Combustible (including│ Up to 25│From minus 70│
│││liquefied and active││up to 250│
│││gases, flammable-│││
│││combustible and flammable liquids)│││
│││ Nonflammable liquids and│ Up to 64│From minus 70│
│││vapors, inert gases││up to 350│
├──────┼──────────┼─────────────────────────┼─────────────┼───────────┤
│2│Two│Superheated steam│ Up to 39│From 350│
│││││up to 450│
│││ Hot water, saturated│ From 80 to 184│St. 120│
│││steam│││
│││ Products with toxic │ Up to 16│From minus 70│
│││properties (except strongly-││up to 350│
│││active poisonous agents │││
│││ substances and fuming acids)│││
│││ Combustible (including│ From 25 to 64 │From 250│
│││liquefied) active gases,││up to 350 and from│
│││flammable and││minus 70│
│││flammable liquids││up to 0│
│││ Nonflammable liquids and│ From 64 to 100│From 340│
│││vapours, inert gases││up to 450 and from│
│││││minus 70│
│││││to 0│
├──────┼──────────┼─────────────────────────┼─────────────┼───────────┤
│3│Three│ Superheated steam│Regardless│From 450│
││││pressure│up to 660│
│││ Hot water, saturated│St. 184│St. 120│
│││steam│││
│││ Potent poisons-│Regardless of│From minus 70│
│││thy substances (SDYAV) and│pressure│up to 700│
│││fuming acids│││
│││ Other products with│St. 16│From minus 70│
│││toxic properties││up to 700│
│││ Combustible (including│Regardless of│From 350│
│││liquefied) and active│pressure│up to 700│
│││gases, flammable-│││
│││ flammable and combustible liquids │││
│││ Nonflammable liquids and│Regardless│From 450│
│││steams, inert gases│pressures│up to 700│
└──────┴──────────┴─────────────────────────┴─────────────┴───────────┘
Note. For substances that are hazardous in terms of properties or a combination of properties that are not included in this table, hazard groups should be established in agreement with the Gosgortekhnadzor authorities.
15. Characteristics of signal colors must comply with those specified in Appendix 2.
16. The width of the warning rings and the distance between them must be taken depending on the outer diameter of the pipelines in accordance with drawing. 1 and table. 4.
Crap. 1
Table 4
┌──────────────────────────────────────────┬──────────┬──────────┐
│Outer diameter (with insulation) D│L│а│
├──────────────────────────────────────────┼──────────┼──────────┤
│Up to 80│2000│40│
│From 81 to 160│3000│50│
│From 161 to 300│4000│70│
│Over 300│6000│ 100│
└──────────────────────────────────────────┴──────────┴──────────┘
17. With a large number of parallel communications, warning rings on all pipelines should be of the same width and applied at the same intervals.
18. Gas outlet lines and venting to the atmosphere, depending on their contents, must have an identification color established for symbol enlarged groups, with sinuous transverse rings of the corresponding signal color.
19. To designate pipelines with content that is especially hazardous to human health and life or the operation of an enterprise, as well as, if necessary, to specify the type of hazard, warning signs should be used in addition to color warning rings.
20. Warning signs should indicate the following substances: poisonous, flammable, explosive, radioactive, as well as other dangerous contents of pipelines (for example, substances that are hazardous when splashed, etc.).
21. Warning signs should be in the form of a triangle. Images must be black on a yellow background.
22. The image of warning signs should be taken in accordance with hell. 2 and table. 5.
Toxic substances
Flammable substances
radioactive substances
Explosives
Other hazards
Crap. 2
Table 5
│Size options│а│
23. In cases where the impact of aggressive flowing substances can cause a change in the hue of distinctive colors, pipelines should be marked with marking plates.
24. Labeling plates should be used to additionally indicate the type of substances and their parameters (temperature, pressure, etc.) required by the operating conditions. Marking plates on pipelines or on the surfaces of structures to which pipelines are attached must be marked with alphabetic or numeric inscriptions.
25. The inscriptions on the shields of the pipelines must be made in a clear, well-defined font and must not contain unnecessary data, little-used terms and incomprehensible abbreviations. The font for inscriptions is recommended to be taken in accordance with GOST 10807-78.
It is allowed to designate the type of substance by means of numbers in accordance with Appendix 3.
The designation of the type of substance by means of chemical formulas is not allowed.
26. The direction of the flow of substances transported through pipelines must be indicated by the sharp end of the marking plates or arrows applied directly to the pipelines.
The shape and size of the arrows must match the shape and size of the labels.
27. Marking shields must be of four types:
1 - to indicate the flow moving in both directions;
2 - the same, in the left direction;
3 - the same, in the right direction;
4 - to indicate the place of selection of the transported substance.
28. The dimensions of the marking plates must correspond to those indicated in Fig. 3 and in table. 6.
Crap. 3
Table 6
┌──────────────┬───────────┬───────────┬─────────────────────────┐
│Variants│а│b│Height of letters h│
│sizes││├────────────┬──────────────┤
││││one line │ two lines │
├──────────────┼───────────┼───────────┼────────────┼────────────┤
│1│26│74│19│-│
│2│52│148│32│19│
│3│74│210│50│25│
│4│105│297│63│32│
│5│148│420│90│50│
└──────────────┴───────────┴───────────┴────────────┴────────────┘
29. Size options for labels, inscriptions and warning signs should be used mainly:
1 - in laboratories;
2 and 3 - in industrial premises;
4 and 5 - on outdoor installations and outdoor main routes.
30. When attaching them to pipelines, warning signs should be placed together with marking plates.
31. The height of markings on pipelines should be taken depending on the outer diameter of the pipeline in accordance with drawing. 4 and table. 7.
Crap. 4
Table 7
┌────────────┬───────────────────┬───────────────────────────────┐
│Options│Outer diameter D │Letter height h│
│size│├────────────────┬───────────────┤
│││One line│Two lines│
├────────────┼───────────────────┼────────────────┼──────────────┤
│1│Up to 30│19│-│
│2│From 81 to 160│32│19│
│3│From 161 to 220│50│25│
│4│From 221 to 300│63│32│
│5│St. 300│90│50│
└────────────┴───────────────────┴────────────────┴──────────────┘
The color of markings and arrows indicating the direction of flow applied to pipelines and marking plates should be white or black, taking into account the greatest contrast with the main color of the pipelines.
The color of the inscriptions when applied against the background of identification coloring is taken:
white - on a green, red and brown background;
black - on a blue, yellow, orange, purple and gray background.
32. The size of labels, inscriptions and warning signs should be selected depending on the distance from which they should be perceived by personnel associated with the operation of pipelines, in accordance with drawing. 5 and tab. 8.
Crap. 5
Table 8
┌────────────────────────────────┬───────────────────────────────┐
│from the observer L in m│shields, inscriptions and signs│
├────────────────────────────────┼───────────────────────────────┤
│Up to 6│1│
│From 6 to 12│2│
│From 12 to 18│3│
│From 18 to 24│4│
│Over 24│5│
└────────────────────────────────┴───────────────────────────────┘
33. Paint and varnish coatings for identification painting, marking plates and warning signs must be carried out in accordance with the current standards for paintwork materials and coatings, depending on the material of pipelines or the insulation protecting them and operating conditions, as well as the cost of paint and varnish coatings and the technology of their application.
34. Paints and varnishes used for identification painting, labeling plates and warning signs must meet the requirements of the relevant standards, as well as technical documentation approved in the prescribed manner.
35. When preparing surfaces for painting, applying and drying paint and varnish coatings, the safety regulations and fire prevention measures provided for by the current fire regulations and rules must be observed.
36. In heated and ventilated industrial premises without aggressive environments, it is recommended to carry out the identification coloring of pipelines, marking plates and warning signs with pentaphthalic enamels of grades PF-115 according to GOST 6465-76, PF-133 according to GOST 926-82 and other brands according to the technical documentation approved according to established order.
It is recommended to paint fire-fighting pipelines and equipment with red enamel according to the technical documentation approved in the prescribed manner.
37. Identification colors and signal colors are allowed to be accepted in accordance with the following standards of the color standard card index: green N 343 - 344; red N 10 - 11; blue N 423 - 424; yellow N 205 - 206; orange N 101 - 102; violet N 505 - 506; brown N 647 - 648; gray N 894 - 895. Required shades of purple and brown in accordance with the samples of table. 1 can be obtained by adding white paint.
38. The identification coloring of pipelines and the color finish of marking plates and warning signs should be periodically renewed, taking into account the provision of clear visibility of colors, images and inscriptions. The coloring should be even, without streaks, wrinkles, spots and should not peel off.
39. Marking boards, inscriptions and warning signs should be located taking into account local conditions at the most critical communication points (at branches, at junctions, at points of selection, at valves, gate valves, valves, gates, control devices, at places where pipelines pass through walls , partitions, ceilings, at inputs and outputs from industrial buildings, etc.).
Marking plates, warning signs and inscriptions on pipelines should be located in well-lit places or illuminated to ensure their clear visibility, while light sources should not obscure the images and inscriptions, as well as dazzle personnel when observing them.
It is recommended to take the lowest illumination at critical communication points with marking plates, inscriptions and warning signs in them at 150 lux with fluorescent lamps and 50 lux with incandescent lamps.
40. In all industrial premises where there are pipelines, in places that are well accessible for viewing, identification coloring schemes for communications should be hung out with a decoding of the distinctive colors, warning signs and digital designations adopted for marking pipelines.
Annex 1
Appendix 2
Annex 3
┌───────────────┬────────────────────────────────────────────────┐
│Digital│Transported substance│
│designations│Name│
│1│Water│
├───────────────┼────────────────────────────────────────────────┤
│1.1│drinking│
│1.2│technical│
│1.3│hot (water supply)│
│1.4│hot (heating)│
│1.5│nutritive│
│1.6│reserve│
│1.7│reserve│
│1.8│condensate│
│1.9│other types of water│
│1.0│used, waste│
├───────────────┼────────────────────────────────────────────────┤
│2│Steam│
├───────────────┼────────────────────────────────────────────────┤
│2.1│low pressure (up to 2 kgf/cm2)│
│2.2│saturated│
│2.3│overheated│
│2.4│heating│
│2.5│moist (juice)│
│2.6│selective│
│2.7│reserve│
│2.8│vacuum│
│2.9│other types of steam│
│2.0│used│
├───────────────┼────────────────────────────────────────────────┤
│3│Air│
├───────────────┼────────────────────────────────────────────────┤
│3.1│atmospheric│
│3.2│air-conditioned│
│3.3│circulating│
│3.4│hot│
│3.5│compressed│
│3.6│pneumotransport│
│3.7│oxygen│
│3.8│vacuum│
│3.9│other types of air│
│3.0│used│
├───────────────┼────────────────────────────────────────────────┤
│4│Combustible gases│
├───────────────┼────────────────────────────────────────────────┤
│4.1│luminous│
│4.2│generator│
│4.3│acetylene│
│4.4│ammonia│
│4.5│hydrogen and gases containing it│
│4.6│hydrocarbons and their derivatives│
│4.7│carbon monoxide and gases containing it│
│4.8│reserve│
│4.9│other types of combustible gases│
│4.0│exhaust combustible gases│
├───────────────┼────────────────────────────────────────────────┤
│5│ Non-combustible gases │
├───────────────┼────────────────────────────────────────────────┤
│5.1│nitrogen and gases containing it│
│5.2│reserve│
│5.3│chlorine and gases containing it│
│5.4│carbon dioxide and gases containing it│
│5.5│inert gases│
│5.6│sulphurous gas and gases containing it│
│5.7│reserve│
│5.8│reserve│
│5.9│other types of non-combustible gases│
│5.0│exhaust non-combustible gases│
├───────────────┼────────────────────────────────────────────────┤
│6│Acids│
├───────────────┼────────────────────────────────────────────────┤
│6.1│sulphuric│
│6.2│salt│
│6.3│nitrogen│
│6.4│reserve│
│6.5│inorganic acids and their solutions│
│6.6│organic acids and their solutions│
│6.7│acid salt solutions│
│6.8│reserve│
│6.9│other acid reaction liquids│
│6.0│waste acids and acid waste│
││(at pH< 6,5)│
├───────────────┼────────────────────────────────────────────────┤
│7│Alkalis│
├───────────────┼────────────────────────────────────────────────┤
│7.1│sodium│
│7.2│potassium│
│7.3│calcareous│
│7.4│lime water│
│7.5│inorganic alkalis and their solutions│
│7.6│organic alkalis and their solutions│
│7.7│reserve│
│7.8│reserve│
│7.9│other alkaline liquids│
│7.0│waste alkalis and alkaline effluents (рН > 8.5) │
├───────────────┼────────────────────────────────────────────────┤
│8│Flammable liquids│
├───────────────┼────────────────────────────────────────────────┤
│8.4│lubricating oils│
│8.5│other organic flammable liquids│
│8.6│explosive liquids│
│8.7│reserve│
│8.8│reserve│
│8.9│other flammable liquids│
│8.0│combustible drains│
├───────────────┼────────────────────────────────────────────────┤
│9│ Non-flammable liquids│
├───────────────┼────────────────────────────────────────────────┤
│9.1│liquid food flavoring products│
│9.2│aqueous solutions (neutral)│
│9.3│other solutions (neutral)│
│9.4│water suspensions│
│9.5│other suspensions│
│9.6│emulsions│
│9.7│reserve│
│9.8│reserve│
│9.9│other non-flammable liquids│
│9.0│non-combustible drains (neutral)│
├───────────────┼────────────────────────────────────────────────┤
│0│Other substances│
├───────────────┼────────────────────────────────────────────────┤
│0.1│powder materials│
│0.2│granular bulk materials│
│0.3│mixtures of solid materials with air│
│0.4│gels│
│0.5│water pulp│
│0.6│pulp of other liquids│
│0.7│reserve│
│0.8│reserve│
│0.9│reserve│
│0.0│waste solid materials│
└───────────────┴────────────────────────────────────────────────┘
Note. If necessary, each of the subgroups can be divided into ten smaller units, denoted by the third character digital designation(for example, in the enlarged group 4 "Combustible gases" as part of subgroup 6 "Hydrocarbons and their derivatives", ethylene can be distinguished by the third character - 4.61).
Application
Reference
EXAMPLES
PERFORMANCE OF IDENTIFICATION PAINTING OF PIPELINES
Sulfuric acid
Potash alkalis
Hot water for water supply
Superheated steam 450 °С
Compressed air
Leaded gasoline
air vacuum
atmospheric air
Gas outlet line
Water for fire fighting
Note. On pipelines for hot water and leaded gasoline, the inscriptions on the distinctive belts must be white.
To identify pipelines by the type of medium transported through them, in accordance with GOST 14202-69, color marking of pipelines is used. Pipelines are painted as a whole, including fittings, fittings and fittings. The pressure taps and , going to the instrumentation sensors, are also painted.
For more accurate identification of the purpose of the pipeline, digital marking is additionally applied to it. Markings are applied on so-called labels, which, in addition, may contain additional information about the direction of the flow of the medium, its temperature, etc.
Numerical designation | Name of the transported substance |
Water |
|
drinking |
|
technical |
|
hot (water supply) |
|
hot (heating) |
|
nutritious |
|
condensate |
|
other types of water |
|
waste, waste |
|
low pressure (up to 2 kgf / cm 2) |
|
saturated |
|
overheated |
|
heating |
|
wet (juice) |
|
selective |
|
vacuum |
|
other types of steam |
|
spent |
|
Air |
|
atmospheric |
|
conditioned |
|
circulation |
|
pneumatic transport |
|
oxygen |
|
other types of air |
|
spent |
|
combustible gases |
|
luminous |
|
generator |
|
acetylene |
|
hydrogen and gases containing it |
|
hydrocarbons and their derivatives |
|
carbon monoxide and gases containing it |
|
other types of combustible gases |
|
waste combustible gases |
|
Non-flammable gases |
|
nitrogen and gases containing it |
|
chlorine and gases containing it |
|
carbon dioxide and gases containing it |
|
inert gases |
|
sulfur dioxide and gases containing it |
|
other types of non-flammable gases |
|
waste non-combustible gases |
|
acids |
|
inorganic acids and their solutions |
|
organic acids and their solutions |
|
acid salt solutions |
|
other acid reaction liquids |
|
waste acids and acidic effluents (at pH<6,5) |
|
alkalis |
|
sodium |
|
potash |
|
calcareous |
|
lime water |
|
inorganic alkalis and their solutions |
|
organic alkalis and their solutions |
|
other alkaline liquids |
|
spent alkalis and alkaline effluents (рН>8.5) |
|
Flammable liquids |
|
lubricating oils |
|
other organic flammable liquids |
|
explosive liquids |
|
other flammable liquids |
|
combustible drains |
|
Non-flammable liquids |
|
liquid food products |
|
aqueous solutions (neutral) |
|
other solutions (neutral) |
|
aqueous suspensions |
|
other suspensions |
|
emulsions |
|
other non-flammable liquids |
|
non-combustible drains (neutral) |
|
Other substances |
|
powder materials |
|
bulk materials granular |
|
mixtures of solid materials with air |
|
water pulps |
|
pulps of other liquids |
|
waste hard materials |
The serial number of the pipeline can also be applied to the pipeline in accordance with the piping scheme. It is necessary to distinguish between the serial number of the pipeline and the identifier of the medium type.
You can find additional information in the section.