Non-Environmental Packing
Russian translation: экологически небезопасная набивка
| 09:07 Aug 4, 2016 |
| English to Russian translations [PRO] Tech/Engineering - Mechanics / Mech Engineering / Valves | |||||||
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|  Selected response from: Oleg Lozinskiy Russian Federation Local time: 23:42 | ||||||
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| Summary of answers provided | ||||
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| 4 | экологически небезопасная набивка |
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| 3 | не является дружественной окружающей среде |
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| 3 | уплотнение с (заметной) утечкой |
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Answers
9 mins confidence: 
| non-environmental packing не является дружественной окружающей среде Explanation: Короче варианта не нашел -------------------------------------------------- Note added at 10 мин (2016-08-04 09:17:55 GMT) -------------------------------------------------- Дружественная окружающей среде упаковка из грибов http://triumfy.ru/?p=18088 |
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19 mins confidence:
| non-environmental packing уплотнение с (заметной) утечкой Explanation: а вот environmental packing - это уплотнение с (очень) низкой утечкой -------------------------------------------------- Note added at 22 мин (2016-08-04 09:29:27 GMT) -------------------------------------------------- а вот и обоснование от FlowServ http://www.flowserve.com/files/Files/Literature/ProductLiter... Packing System Leakage Levels Environmental packing systems are designed to provide less than 500 ppm service for typical control valve applications. In most services, however, less than 100 ppm can be expected when the packing is specified, installed and maintained correctly. These packings generally have more restrictive application envelopes than non-environmental packings. They can often be used, however, beyond their environmental limits when higher leakage rates can be tolerated. The pressure and temperature limitations for these packings are based upon years of extensive testing and field applications. Flowserve offers Environmental packing systems that have been tested and certified, meeting such standards as ISO 15848-1, FCI 91-1 or TA-Luft. While non-environmental packing systems also provide good leakage control, their more simple materials and designs will usually leak at higher levels and will not maintain sustained ultra-low leakage. Nevertheless, for most services that are not volatile organic compounds (VOC), they provide reliable shutoff for extended periods. |
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22 mins confidence:
| non-environmental packing экологически небезопасная набивка Explanation: https://www.google.ru/#q=экологически небезопасная&newwindow... This brochure provides information for selecting and specifying packing systems for linear control valve applications. Packings are classified as either environmental or non-environmental. Of these two, environmental packing systems are the more effective and reliable in linear applications where leakage levels are required to be less than 500 parts per million (ppm) or in some cases, less than 100 ppm. ... Environmental packing systems are designed to provide less than 500 ppm service for typical control valve applications. In most services, however, less than 100 ppm can be expected when the packing is specified, installed and maintained correctly. These packings generally have more restrictive application envelopes than non-environmental packings. They can often be used, however, beyond their environmental limits when higher leakage rates can be tolerated. ... Environmental Packing Systems Flowserve offers the following four standard environmental packing systems for linear Valtek control valves. Other proven environmental packing options may be available on request. 1. SafeGuard™ 2. SureGuard XT™ 3. LATTYpack Control - EC™ 4. Chesterton 5800® Each of these packing systems is capable of achieving very low leakage control for extended periods in their standard or optional configurations. Table 1 provides information to assist the user in selecting the best packing system for the application in question. This selection can be made by considering the fluid, pressure, temperature, required options, sealing performance and stem friction. For more packing system detail, see pages 6 through 13. Non-Environmental Packing Systems Flowserve offers the following three non-environmental packing systems for linear Valtek control valves: 1. Standard V-ring 2. Graphite rib-braid 3. Square braid Within the V-ring and braided packing systems, there are multiple types and choices to best suit various applications, as shown in Table 1. For more packing system detail, see pages 12 through 17. https://www.google.ru/url?sa=t&rct=j&q=&esrc=s&source=web&cd... |
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