{"id":1319,"date":"2025-09-10T09:25:41","date_gmt":"2025-09-10T09:25:41","guid":{"rendered":"https:\/\/balkanhidraulik.com\/?p=1319"},"modified":"2025-09-30T09:31:12","modified_gmt":"2025-09-30T09:31:12","slug":"kontaminacija-hidraulicnog-ulja-kako-meriti-nas-iso-cistocu","status":"publish","type":"post","link":"https:\/\/balkanhidraulik.com\/bs\/kontaminacija-hidraulicnog-ulja-kako-meriti-nas-iso-cistocu\/","title":{"rendered":"Kontaminacija hidrauli\u010dnog ulja \u2013 kako meriti NAS\/ISO \u010disto\u0107u"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Ako hidraulika ima \u201eneraspolo\u017een dan\u201c, u 8 od 10 slu\u010dajeva krivac je \u2013 <\/span><b>kontaminacija hidrauli\u010dnog ulja<\/b><span style=\"font-weight: 400;\">. Sitne \u010destice (i malo vlage) rade ono \u0161to rade pesak i \u0161e\u0107er u menja\u010du: prave haos. Dobra vest? \u010cisto\u0107a se mo\u017ee pouzdano <\/span><b>izmeriti<\/b><span style=\"font-weight: 400;\">, pratiti i dr\u017eati pod kontrolom. Krenimo redom \u2013 \u0161ta merimo, kako merimo i kako da rezultate prevedemo na konkretne akcije odr\u017eavanja.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Za\u0161to je \u010disto\u0107a ulja presudna<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Zazor u modernim pumpama i ventilima meri se u mikronima. \u010cestice 4\u201314 \u00b5m su \u201eprave veli\u010dine\u201c da u\u0111u tamo gde ne treba i ubrzaju habanje. Rezultat: gubitak pritiska, spora ili trzava reakcija cilindra, pregrevanje, a ponekad i skupa havarija.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ako vam <\/span><b>teleskopski cilindar<\/b><span style=\"font-weight: 400;\"> podi\u017ee kipersko sanduko svaki dan, ne \u017eelite da mu \u010destice kroje sudbinu \u2013 detaljnije o njima mo\u017eete pro\u010ditati i ovde:<\/span><a href=\"https:\/\/balkanhidraulik.com\/bs\/kako-funkcionisu-teleskopski-cilindri-i-gde-se-najcesce-koriste\/\"> <span style=\"font-weight: 400;\">Kako funkcioni\u0161u teleskopski cilindri i gde se naj\u010de\u0161\u0107e koriste<\/span><\/a><span style=\"font-weight: 400;\">. A ako je re\u010d o <\/span><b>trostranim cilindrima<\/b><span style=\"font-weight: 400;\">, stabilnost i preciznost kretanja su jo\u0161 va\u017eniji:<\/span><a href=\"https:\/\/balkanhidraulik.com\/bs\/kako-funkcionisu-trostrani-cilindri\/\"> <span style=\"font-weight: 400;\">Kako funkcioni\u0161u trostrani cilindri<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Dve naj\u010de\u0161\u0107e skale: NAS 1638 i ISO 4406<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Postoje razli\u010diti standardi za opis \u201ekoliko je \u010disto\u201c ulje. Naj\u010de\u0161\u0107e \u0107ete sresti <\/span><b>NAS 1638<\/b><span style=\"font-weight: 400;\"> i <\/span><b>ISO 4406<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">NAS 1638 (klase 00\u201312)<\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Daje jednu <\/span><b>klasu<\/b><span style=\"font-weight: 400;\"> (npr. NAS 6) na osnovu broja \u010destica u odre\u0111enim opsezima veli\u010dine po 100 ml ulja.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Danas je stariji pristup, ali ga industrija i dalje koristi u servisnim izve\u0161tajima i starijim procedurama.<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400;\">ISO 4406 (tipi\u010dno 1999 revizija) \u2013 format \u201ex\/y\/z\u201c<\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Najrasprostranjeniji standard danas.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Daje <\/span><b>tri broja<\/b><span style=\"font-weight: 400;\"> (npr. <\/span><i><span style=\"font-weight: 400;\">18\/16\/13<\/span><\/i><span style=\"font-weight: 400;\">), koji odgovaraju broju \u010destica <\/span><b>\u22654 \u00b5m(c)<\/b><span style=\"font-weight: 400;\">, <\/span><b>\u22656 \u00b5m(c)<\/b><span style=\"font-weight: 400;\"> i <\/span><b>\u226514 \u00b5m(c)<\/b> <b>po 1 ml<\/b><span style=\"font-weight: 400;\"> ulja.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Svaki broj je <\/span><b>logaritamski kod<\/b><span style=\"font-weight: 400;\"> koji predstavlja opseg broja \u010destica (npr. kod 16 zna\u010di 320\u2013640 \u010destica\/ml).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ni\u017ei kod = \u010distije ulje.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Brzi primer: <\/span><b>17\/15\/12<\/b><span style=\"font-weight: 400;\"> je \u010distije od <\/span><b>19\/17\/14<\/b><span style=\"font-weight: 400;\">. Razlika od jednog \u201ekoda\u201c je otprilike <\/span><b>duplo<\/b><span style=\"font-weight: 400;\"> manje\/vi\u0161e \u010destica.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Kako se meri u praksi<\/span><\/h2>\n<h3><span style=\"font-weight: 400;\">1) Uzimanje uzorka<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Najvi\u0161e gre\u0161aka nastaje pre samog merenja. Uvek:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Koristite <\/span><b>\u010diste bo\u010dice<\/b><span style=\"font-weight: 400;\"> (namenske, sa zatvara\u010dem), ne \u201ebilo koju bocu iz radionice\u201c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Uzimajte uzorak sa <\/span><b>linije pod radnim protokom<\/b><span style=\"font-weight: 400;\">, nizvodno od pumpi i pre finih filtera, osim ako ba\u0161 proveravate rad filtera.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Isperite bo\u010dicu sa malo uzorka pre punjenja (\u201etriput isperi, jednom izmeri\u201c).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ozna\u010dite <\/span><b>datum, sat, ta\u010dku uzorkovanja, temperaturu i sate rada<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400;\">2) Broja\u010d \u010destica (on-line ili portabilni)<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Naj\u010de\u0161\u0107i alat je <\/span><b>automatski broja\u010d \u010destica<\/b><span style=\"font-weight: 400;\"> (opti\u010dki): ulje prolazi kroz meru, ure\u0111aj broji \u010destice po veli\u010dinama i odmah daje <\/span><b>ISO 4406 kod<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>On-line<\/b><span style=\"font-weight: 400;\"> broja\u010di daju trend u realnom vremenu.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Portabilni<\/b><span style=\"font-weight: 400;\"> su super za servisne posete i brzu dijagnostiku u polju.<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400;\">3) \u201ePatch test\u201c i mikroskopija<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Za dodatnu forenziku pravi se <\/span><b>filter-patch<\/b><span style=\"font-weight: 400;\"> (membrana kroz koju se provu\u010de uzorak), pa se pod mikroskopom gleda <\/span><b>tip kontaminanata<\/b><span style=\"font-weight: 400;\"> (metalik, vlakna, pesak, guma\u2026). Ovo je va\u017eno kada \u017eelite da saznate <\/span><b>odakle<\/b><span style=\"font-weight: 400;\"> \u010destice poti\u010du (pumpa, creva, spolja\u0161nja prljav\u0161tina).<\/span><\/p>\n<h3><b>4) Voda i vazduh nisu \u201enevini prolaznici\u201c<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Voda<\/b><span style=\"font-weight: 400;\"> (slobodna ili rastvorena) pravi kavitationo-hidrauli\u010dne probleme i ubrzava oksidaciju. Koristite test trake, Karl-Fischer ili senzore vlage (% RH).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Vazduh<\/b><span style=\"font-weight: 400;\"> (mikromehuri\u0107i) \u201ezgu\u017eva\u201c kompresibilnost, pogor\u0161a preciznost ventila i ubrza oksidaciju. Proverite usisne vodove i nivo ulja.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">Kako \u010ditati ISO 4406 rezultat<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Evo <\/span><b>pravila palca<\/b><span style=\"font-weight: 400;\"> za tipi\u010dne sisteme (orijenti\u0161u vas, uvek po\u0161tujte preporuke proizvo\u0111a\u010da komponenti):<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Servo\/Proporcionalni ventili, visoka preciznost<\/b><span style=\"font-weight: 400;\">: ciljajte <\/span><b>15\/13\/10<\/b><span style=\"font-weight: 400;\"> ili bolje.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Klipne pumpe i precizna mobilna hidraulika<\/b><span style=\"font-weight: 400;\">: <\/span><b>17\/15\/12<\/b><span style=\"font-weight: 400;\"> do <\/span><b>18\/16\/13<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Robusniji sistemi, standardna mobilna oprema<\/b><span style=\"font-weight: 400;\">: <\/span><b>19\/17\/14<\/b><span style=\"font-weight: 400;\"> (ali \u010distije je uvek bolje).<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ako dobijete rezultat <\/span><b>dva ili vi\u0161e kodova<\/b><span style=\"font-weight: 400;\"> lo\u0161iji od cilja (npr. cilj 17\/15\/12, a izmereno 20\/18\/15), planirajte <\/span><b>hitne mere<\/b><span style=\"font-weight: 400;\">: zamena filtera, by-pass provera, mo\u017eda i filtracioni \u201ekidney loop\u201c.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">NAS 1638 kratki vodi\u010d<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Ako naletite na NAS izve\u0161taj:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>NAS 6\u20137<\/b><span style=\"font-weight: 400;\">: vrlo \u010disto \u2013 servo\/precizni ventili zadovoljni.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>NAS 8\u20139<\/b><span style=\"font-weight: 400;\">: ok za ve\u0107inu pumpi i ventila, ali pazite na fine klirense.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>NAS 10+<\/b><span style=\"font-weight: 400;\">: grani\u010dno\/lo\u0161e \u2013 o\u010dekujte ubrzano tro\u0161enje i kvarove.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">Od merenja do akcije: \u0161ta preduzeti<\/span><\/h2>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Proverite filtere i by-pass ventile<\/b><b><br \/>\n<\/b><span style=\"font-weight: 400;\"> Ako je diferencijalni pritisak previsok, filter ulazi u <\/span><b>by-pass<\/b><span style=\"font-weight: 400;\"> i prljav\u0161tina prolazi \u201ena crveno\u201c. Ugradite manometar\/prekida\u010d diferencijalnog pritiska. (Ako birate izme\u0111u razli\u010ditih konfiguracija cilindra i optere\u0107enja, pogledajte i:<\/span><a href=\"https:\/\/balkanhidraulik.com\/bs\/kako-izabrati-pravi-teleskopski-hyva-cilindar-za-vas-tip-kipera\/\"> <span style=\"font-weight: 400;\">Kako izabrati pravi teleskopski Hyva cilindar za va\u0161 tip kipera<\/span><\/a><span style=\"font-weight: 400;\">.)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Poja\u010dajte filtraciju (fina\/online\/kidney loop)<\/b><\/li>\n<\/ol>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Smanjite <\/span><b>\u03b2-rating<\/b><span style=\"font-weight: 400;\"> (ve\u0107a efikasnost na 6\u201310 \u00b5m).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dodajte <\/span><b>on-line filtraciju<\/b><span style=\"font-weight: 400;\"> na povrat ili poseban <\/span><b>kidney loop<\/b><span style=\"font-weight: 400;\"> za \u201epolako i stalno\u201c \u010di\u0161\u0107enje rezervoara.<\/span><\/li>\n<\/ul>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Zaptivenja i usisna strana<\/b><b><br \/>\n<\/b><span style=\"font-weight: 400;\"> Mikro curenja i lo\u0161e usisne cevi uvla\u010de prljav\u0161tinu i vazduh. Pogledajte brtve, obujmice, usisni predfilter i nivo ulja.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Rukovanje uljem kao sterilnim materijalom<\/b><\/li>\n<\/ol>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nova burad nisu \u201esterilna\u201c \u2013 filtrirajte <\/span><b>pre sipanja<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dr\u017eite spojnice i \u010depove <\/span><b>\u010distim<\/b><span style=\"font-weight: 400;\">; krpe ostavite autu, ne rezervoaru.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Obele\u017eite rezervoare i alat da izbegnete me\u0161anje razli\u010ditih klasa ulja.<\/span><\/li>\n<\/ul>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Trend, ne samo fotografija trenutka<\/b><span style=\"font-weight: 400;\"> Jedan uzorak je \u201eselfi\u201c. Potrebna vam je <\/span><b>serija merenja<\/b><span style=\"font-weight: 400;\"> (npr. mese\u010dno) da vidite da li sistem ide ka \u010distijem ili prljavijem stanju. Zabele\u017eite sate rada, promene filtera i servisne intervencije.<\/span><\/li>\n<\/ol>\n<h2><span style=\"font-weight: 400;\">Koliko \u010desto meriti?<\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Kriti\u010dni sistemi \/ precizni ventili<\/b><span style=\"font-weight: 400;\">: jednom mese\u010dno ili on-line pra\u0107enje.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Standardna mobilna oprema<\/b><span style=\"font-weight: 400;\">: svaka 2\u20133 meseca ili po <\/span><b>X radnih sati<\/b><span style=\"font-weight: 400;\"> (defini\u0161ite pragove u SOP-u).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Uvek merite <\/span><b>pre i posle<\/b><span style=\"font-weight: 400;\"> ve\u0107ih popravki ili zamene ulja \u2013 dobi\u0107ete kontrolnu ta\u010dku i brzu potvrdu da je nov ulaz stvarno \u010dist.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">Brzi \u201echeat sheet\u201c za ISO 4406<\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Pobolj\u0161anje za 1 kod<\/b><span style=\"font-weight: 400;\"> \u2248 <\/span><b>2\u00d7 manje \u010destica<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ako ste na <\/span><b>19\/17\/14<\/b><span style=\"font-weight: 400;\"> i \u017eelite <\/span><b>17\/15\/12<\/b><span style=\"font-weight: 400;\">, treba ~<\/span><b>4\u00d7<\/b><span style=\"font-weight: 400;\"> manje \u010destica na sve tri frakcije \u2013 dakle bolje filtere, \u201ekidney loop\u201c i discipline u rukovanju.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">Kada brojke \u201ene li\u010de na \u017eivot\u201c<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Ako ISO kod naglo \u201esko\u010di\u201c, a vi niste menjali uslove:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Proverite <\/span><b>ispravnost uzorka<\/b><span style=\"font-weight: 400;\"> (bo\u010dica, lokacija).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Premerite <\/span><b>drugim ure\u0111ajem<\/b><span style=\"font-weight: 400;\"> ili uradite <\/span><b>patch test<\/b><span style=\"font-weight: 400;\"> da potvrdite rezultat.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ako je potvr\u0111eno \u2013 o\u010dekujte da je krenulo <\/span><b>habanje<\/b><span style=\"font-weight: 400;\"> (metalne \u010destice) ili je u\u0161la <\/span><b>spolja\u0161nja prljav\u0161tina<\/b><span style=\"font-weight: 400;\"> (silika, pra\u0161ina).<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">Zaklju\u010dak<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u010cisto ulje je najjeftinije osiguranje za pumpe, ventile i cilindre. Postavite ciljni <\/span><b>ISO 4406<\/b><span style=\"font-weight: 400;\"> (ili NAS) za svaki sistem, uvedite <\/span><b>disciplinu uzorkovanja<\/b><span style=\"font-weight: 400;\">, pratite trendove i reagujte na vreme: bolji filteri, zaptivanje, \u201ekidney loop\u201c i edukacija ekipe.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ako \u017eelite dodatne smernice oko konkretnih cilindara i primena, bacite pogled na na\u0161e tekstove o<\/span><a href=\"https:\/\/balkanhidraulik.com\/bs\/kako-funkcionisu-trostrani-cilindri\/\"> <span style=\"font-weight: 400;\">trostranim cilindrima<\/span><\/a><span style=\"font-weight: 400;\">,<\/span><a href=\"https:\/\/balkanhidraulik.com\/bs\/kako-izabrati-pravi-teleskopski-hyva-cilindar-za-vas-tip-kipera\/\"> <span style=\"font-weight: 400;\">Hyva teleskopskim cilindrima<\/span><\/a><span style=\"font-weight: 400;\"> i<\/span><a href=\"https:\/\/balkanhidraulik.com\/bs\/kako-funkcionisu-teleskopski-cilindri-i-gde-se-najcesce-koriste\/\"> <span style=\"font-weight: 400;\">teleskopskim cilindrima u praksi<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\"> Za sve ostalo \u2013 tu smo:<\/span><a href=\"https:\/\/balkanhidraulik.com\/bs\/\"> <span style=\"font-weight: 400;\">Balkan Hidraulik \u2013 po\u010detna<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Ako hidraulika ima \u201eneraspolo\u017een dan\u201c, u 8 od 10 slu\u010dajeva krivac je \u2013 kontaminacija hidrauli\u010dnog ulja. Sitne \u010destice (i malo vlage) rade ono \u0161to rade pesak i \u0161e\u0107er u menja\u010du: prave haos. Dobra vest? \u010cisto\u0107a se mo\u017ee pouzdano izmeriti, pratiti i dr\u017eati pod kontrolom. Krenimo redom \u2013 \u0161ta merimo, kako merimo i kako da rezultate [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1320,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1319","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Kontaminacija hidrauli\u010dnog ulja \u2013 kako meriti NAS\/ISO \u010disto\u0107u - Balkan Hidraulik<\/title>\n<meta name=\"description\" content=\"Kontaminacija hidrauli\u010dnog ulja \u2013 obja\u0161njenje ISO\/NAS klasifikacije, merenja i prakse odr\u017eavanja \u010disto\u0107e fluida.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/balkanhidraulik.com\/bs\/kontaminacija-hidraulicnog-ulja-kako-meriti-nas-iso-cistocu\/\" \/>\n<meta property=\"og:locale\" content=\"bs_BA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kontaminacija hidrauli\u010dnog ulja \u2013 kako meriti NAS\/ISO \u010disto\u0107u - 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