GOST 15150-69 applies to all types of machines, instruments and other technical products and establishes the macroclimatic zoning of the globe, performance, category, operating conditions, storage and transportation of products in terms of the impact of climatic environmental factors
Types of climatic versions, designation
- У - temperate climate (+40/-45 оС);
- CL - cold climate (+40/-60 °C);
- UHL - temperate and cold climate (+40/-60 °C);
- T - tropical climate (+40/+1 °C);
- M - maritime temperate cold climate (+40/-40 °C);
- O - general climatic version (except for marine) (+50/-60 °C);
- OM - general climatic marine version (+45/-40 °C);
- В - all climatic version (+50/-60 оС).
Climatic performance in Central Antarctica is not determined by GOST 15150-69. Several macroclimatic regions can be combined into a group of macroclimatic regions (for example, the category of climatic version UHL, T).
Designation example:
Bellows compensator KSO 200-16-160 UHL 1.
This means that the bellows expansion joint with a nominal diameter of 200 mm, a working pressure of 16 bar and a compensating capacity of 160 mm is used in a moderately cold climate at temperatures up to minus 60 ° C in the open air.
The number after the letters indicates the accommodation category:
- 1 - open air;
- 2 - the same as 1 only without direct sunlight and without precipitation;
- 3 - indoors without climate control;
- 4 - indoors with ventilation and heating;
- 5 - in rooms with high humidity, without artificial regulation of climatic conditions.
General provisions GOST 15150-69
- GOST 15150-69 should be used in the design and manufacture of products in accordance with the climatic modifications reflected in it. In particular, it should be used in the preparation of technical specifications for the development or modernization of products, as well as in the development of state standards and specifications that establish requirements regarding the impact of climatic environmental factors for a group of products, and in the absence of these group documents - for certain types of products . All products must be manufactured in accordance with climatic modifications in accordance with GOST 15150-69
- Products must maintain their parameters within the limits established by the technical specifications, standards or specifications during the service life and shelf life specified in the specifications, standards or specifications, after and (or) in the process of exposure to climatic factors, the values of which are established by this standard i.e. must comply with climatic modifications in accordance with GOST 15150-69.
- Products are intended for operation, storage and transportation in the range from the upper to the lower value of these climatic modifications, while in addition to the ranges of climatic factors within which the operability of the products is ensured during operation, one or more narrower ranges of climatic factors can be set, within which provide a narrower range of parameter deviations (for example, higher accuracy of regulation or measurements), i.e. climatic performance must comply with the category according to GOST 15150-69.
- For specific types or groups of products, the types of influencing climatic factors affecting the climatic performance according to GOST and their nominal values are set depending on the operating conditions of the products in the relevant technical specifications, standards and specifications. If there are documents that establish a relationship between the values of factors for product groups, with the specified climatic modifications in accordance with GOST 15150-69, one should be guided by the instructions of these documents
- It is allowed to operate products in macroclimatic regions and those that differ from those for which the products are intended, if the climatic factors during the operation period do not go beyond the nominal values established for these products. For example, products of the UHL4 climatic modification type can be operated in the UHL2 conditions during the summer dry period.
- It is allowed to operate products in conditions where the values of climatic factors go beyond the established nominal values, if service life deviations are acceptable. At the same time, the admissibility of operation, the values of climatic factors for performance, the permissible deviations of the service life are agreed with the supplier of the products.
- In accordance with economic and technical feasibility, it is recommended to manufacture products suitable for operation in several areas established by this standard, i.e. the category of climatic modification according to GOST 15150-69 should cover several climatic regions.
- Products can also be designed for operation in several macroclimatic regions; in these cases, combinations of various operating or storage conditions with periods of stay in these conditions are established in the standards or technical specifications for products, climatic modifications (climatic modification category) must be indicated in the accompanying documents for the goods.
- A macroclimatic region with a temperate climate UHL (category of climatic performance UHL) includes areas where the average annual absolute maximum air temperature is equal to or lower than plus 40°C, and the average annual absolute minimum air temperature is equal to or higher than minus 45°C.
- It is allowed to single out a macroclimatic subregion with a warm temperate macroclimate subtype from a macroclimatic region with a temperate climate, for which the average of the annual absolute minimum air temperatures is equal to or higher than minus 25 °C.
- The macroclimatic region with a cold climate KhL (climatic modification category KhL) includes areas where the average annual absolute minimum air temperature is below minus 45°C. The region of cold climate UHL (category of climatic modification UHL) is indicated on the map.
By agreement with the customer, it is allowed to supply products designed for a temperate climate U1 to areas within 50 km from the southwestern and southeastern borders of a macroclimatic region with a cold climate on the territory of the Russian Federation.
Federation.
Products placed on mobile installations intended for delivery to the coast of the Okhotsk (to the north of the mouth of the Uda River) and the Bering Seas (with the exception of the Kamchatka Peninsula) must be manufactured in the HL version.
Temperature values according to climatic version
Product execution | Air temperature value during operation, °C |
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Limit working |
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1; 1.1; 2; 2.1; 3 | |||||
1; 1.1; 2; 2.1; 3 | |||||
1; 1.1; 2; 2.1; 3 | |||||
1; 1.1; 2; 2.1; 3; 3.1 | |||||
1; 1.1; 2; 2.1; 3; 3.1 | |||||
1; 1.1; 2; 2.1; 3; 5; 5.1 | |||||
1; 1.1; 2; 2.1; 3; 5; 5.1 | |||||
1; 1.1; 2; 2.1; 3; 5; 5.1 | |||||
1; 1.1; 2; 2.1; 3 | |||||
1. for outdoor operation (the impact of a combination of climatic factors characteristic of a given climatic region).
2. for operation under a canopy or in rooms (volumes) where fluctuations (and air humidity do not differ significantly from fluctuations in the open air and there is relatively free access to outside air, for example, in tents, bodies, trailers, metal rooms without thermal insulation, as well as in shells of a complete product of category 1 (no direct exposure to solar radiation and precipitation).
3. For operation in closed rooms (volumes) with natural ventilation without artificially controlled climatic conditions, where fluctuations (and air humidity and exposure to sand and dust are significantly less than in the open air, for example, in metal with thermal insulation, stone, concrete, wooden rooms (no impact of precipitation, direct solar radiation; a significant decrease in wind; a significant reduction or absence of the impact of scattered solar radiation and moisture condensation).
4. For operation in rooms (volumes) with artificially controlled climatic conditions, for example, in closed heated or cooled and ventilated production facilities, etc., including well-ventilated underground rooms (no exposure to direct solar radiation, precipitation, wind, sand and dust outdoor air; no or significantly reduced exposure to diffuse solar radiation and moisture condensation.
5. For operation in rooms (volumes) with high humidity (for example, in unheated and unventilated underground rooms, including in mines, basements, in the soil, in such ship, ship and other rooms in which prolonged presence is possible water or frequent moisture condensation on the walls and ceiling, in particular in some holds, some workshops of textile, hydrometallurgical industries, etc.).
Table 1. Characteristics of the climates of climatic regions
Values t air during operation, ° С | Relative Humidity air during operation |
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marginal | Average monthly value in the warmest and most humid period at +20 °С, % | Duration impact, months |
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Temperate (U) 1 |
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Temperate and cold climate (UHL) |
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Cold climate (HL) 2 |
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1 Products in U and UHL versions can be operated in warm and hot zones, in which the average of the annual absolute maximums t air above 40 °C and (or) a combination t, equal to 20 °C or higher, and relative humidity equal to 80% or higher, is observed for more than 12 hours per day for a continuous period of more than 2 months per year. 2 If the main purpose of the products is operation in an area with a cold climate and it is not economically feasible to use them outside this area, it is recommended to designate CL instead of UHL. Note. for surfaces exposed to solar heating, the upper and middle value of the working and limit t‚should be taken higher than indicated in the table for products of category 1 by the following values: for surfaces that have a white or silver-white color, by 15 ° C; for surfaces having a color other than white or silver-white, at 30 °C. |
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Table 3 Climatic versions of electrical products
U1- products for operation in areas with a temperate climate with placement category 1 (outdoors).
U2- products for operation in areas with a temperate climate with placement category 2 (under a canopy or in rooms with free air access).
UZ- products for operation in areas with a temperate climate with placement category 3 (indoors with natural ventilation).
Т1.Т2.ТЗ- products for operation in areas with both dry and humid tropical climates, with placement in the open air, under a canopy, in enclosed spaces with natural ventilation.
UHL1- products for operation in areas with a temperate and cold climate with placement category 1 (outdoors).
UHL4- products for operation in areas with a temperate and cold climate with placement category 4 (in rooms with artificially controlled climatic conditions).
UT1.5- products for use in areas with a temperate climate
and in areas with a dry or humid tropical climate, both with placement category 1 (outdoors) and placement category 5 (in rooms with high humidity).
Index "C" In the product labeling, it denotes a zinc coating obtained by hot dip galvanizing.
Letter "X" In the product labeling, it denotes a chemical resistant coating.
| Climatic performance | Accommodation category | ||
| At | With a temperate climate. The average of the annual absolute maximum air temperatures is equal to or below +40 ° C, the average of the annual absolute minimums is above -45 °С. Operating temperature range during operation -45...+40 °C |
1 | Exploitation outdoors with the influence of any atmospheric factors (rain, heavy rain, snow, dust in strong winds) |
| HL | With a cold climate. The average of the annual absolute minimum temperatures is below -45 °С. Operating temperature range during operation -60...+40 °С |
2 | For work indoors, where fluctuations in air humidity are not very different from fluctuations in the open air, for example: in tents, bodies, trailers, metal premises without thermal insulation, as well as in casings of category 1 complete devices or under a canopy (there is no direct effect of solar radiation and precipitation on the product) |
| UHL | With a temperate and cold climate. Operating temperature range during operation -60...+40 °С |
3 | For work in enclosed spaces with natural ventilation, without artificial regulation of climatic conditions, where fluctuations in temperature and humidity, as well as the effect of sand and dust, are much less than outside, for example: in a metal thermally insulated, stone, concrete, wooden rooms (significant reduction in the effect of solar radiation, wind, precipitation, lack of dew) |
| T | tropical climate | 4 | For work in rooms with an artificially controlled microclimate, for example: in covered heated and ventilated industrial and other, including underground, premises with good ventilation (no direct action of precipitation, wind, as well as sand and dust of external air) |
| TV | Humid tropical climate. The combination of temperature equal to or above +20 °C and relative humidity above 80% is observed 12 or more hours a day for a continuous period of more than 2 months (concentration of chlorides - less than 0.3 mg / m² day, sulfur dioxide - 20-250 mg / m² day). Operating temperature range during operation +1...+40 °C |
For work in rooms with high humidity | |
| TS | Dry tropical climate. The average of the annual absolute maximum air temperatures is above +40 °C (chloride concentration is less than 0.3 mg/m² day, sulfur dioxide concentration is 20-250 mg/m² day). Operating temperature range during operation -10...+50 °C | ||
| O | General climatic version (except for marine). For macroclimatic regions on land, except for an area with a very cold climate (chloride concentration - 0.3-30 mg / m² day, sulfur dioxide - 20-250 mg / m² day). Operating temperature range during operation -60...+50 °С | ||
| M | Maritime temperate cold climate | ||
| MO | General climatic marine version | ||
| AT | All-climatic execution. For macroclimatic areas on land and at sea, except for an area with a very cold climate (chloride concentration - 0.3-300 mg / m² day, sulfur dioxide - no more than 250 mg / m² day). Operating temperature range during operation -60...+50 °C |
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Special requirements for the material of products, due to low operating temperatures, are imposed by a temperate and cold climate (UHL). Therefore, the main requirement for products intended for operation in areas with UHF1 is that they must be made of materials that retain their properties at temperatures down to -70 ˚С.
It should be understood that products, for example intended for use in temperate areas of location category 1, may also be used in temperate areas of location category 2, 3 or 4, but not vice versa.
Similarly: products labeled UT1.5 can replace products labeled U1, U2, UZ, T1.T2.TZ.
| Execution | Category accommodation |
T air temperature | ||||
| Working | Limit working | |||||
| Max | Min | Medium | Max | Min | ||
| At | 1,2 | +40 | -45 | +10 | +45 | -50 |
| 3 | +40 | -10 | +10 | +45 | -10 | |
| HL | 1,2 | +40 | -60 | +10 | +45 | -60 |
| 3 | +40 | -10 | +10 | +45 | -10 | |
| UHL | 1,2 | +40 | -60 | +10 | +45 | -60 |
| 3 | +40 | -10 | +10 | +45 | -10 | |
| TV | 1,2 | +25 | +1 | +27 | +50 | +1 |
| 3 | +45 | +10 | +20 | +40 | +1 | |
| T, TS | 1,2,3 | +45 | -10 | +27 | +55 | -10 |
| 4 | +45 | +1 | +27 | +55 | +1 | |
| O | 1,2 | +45 | -60 | +27 | +55 | -60 |
| M | 1 | +40 | -45 | +10 | +45 | -50 |
| TM | 1 | +45 | +1 | +27 | +50 | +1 |
| OM | 1 | +45 | -60 | +27 | +55 | -60 |
| AT | 1 | +45 | -60 | +27 | +55 | -60 |
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