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English to Serbian translations [PRO] Tech/Engineering - Mechanics / Mech Engineering / Aktuator u uslovima prekida dovoda vazduha | | English term or phrase: fail close | Referenca: http://www.dressermasoneilan.com/documents/LiteratureLibrary... 123. strana.
Tekst glasi: Positioner cannot control the failure position of an actuator without a spring. The actuator
can, under different conditions, fail in place, fail open, or fail close. In cases where the
valve must fail to a required position additional control equipment is required. |
| Nebojša MihaljevićKudoZ activityQuestions: 101 ( 1 open) ( 4 without valid answers) ( 2 closed without grading) Answers: 4 Montenegro
| | Local time: 16:55
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| | Selected response from:
Mira Stepanovic Serbia Local time: 16:55
| Grading comment | 4 KudoZ points were awarded for this answer |
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Automatic update in 00:
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1 hr confidence: 
2 days49 mins confidence:  
| Reference: Ovde je to lepo objajšnjeno
Reference information: http://www.fsb.unizg.hr/atlantis/upload/newsboard/17_11_2010...
Sigurnosni položaji su FAIL OPEN (FO) i FAIL CLOSE (FC). FAIL OPEN položaj znaci da u slucaju gubitka napajanja aktuatora ventila instrumentacijskim zrakom, ventil prelazi u otvoreni položaj, dakle u ovom je slucaju sigurnosna funkcija AOV-a da omoguci puni protok
kroz ventil.
-------------------------------------------------- Note added at 1 day23 hrs (2012-01-30 15:30:41 GMT) --------------------------------------------------
http://www.marine-hidraulik.hr/daljinsko_upravljanje.php
Montaža aktuatora
Pravilan odabir hidrauličkog aktuatora i ispravna montaža na ventil, osigurava mogućnost daljinskog upravljanja i nadzora nad ventilom te osigurava:
* 1. kontroliranu silu ili moment za aktivaciju
* 2. funkciju OPEN-CLOSE ili pozicioniranje (Throttling)
* 3. kontrolu brzine otvaranja/zatvaranja ventila
* 4. ostanak u položaju usprkos nestanku tlaka ulja (ili vraćanje u zadanoi položaj, fail open, fail close..)
* 5. indikaciju položaja ili nadzor nad postotkom otvorenosti
-------------------------------------------------- Note added at 2 days54 mins (2012-01-30 17:19:19 GMT) --------------------------------------------------
Ovo bi bilo za "fail close":
http://www.fsb.unizg.hr/atlantis/upload/newsboard/17_11_2010...
Suprotno tome, FAIL CLOSE položaj znaci da ventil, u slucaju gubitka napajanja zrakom, prelazi u potpuno zatvoren položaj, pri cemu prestaje svaki protok kroz ventil. Ovo je karakteristicno za ventile koji imaju izolacijsku funkciju.
| Mira Stepanovic Serbia Specializes in field Native speaker of: Serbian, Serbo-Croat PRO pts in category: 208
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| Note to reference poster
Asker: Hvala Miro!
Asker: Hvala!
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