{"id":17027,"date":"2025-08-11T05:35:26","date_gmt":"2025-08-11T05:35:26","guid":{"rendered":"https:\/\/hydraflu.com\/?p=17027"},"modified":"2025-08-11T07:43:50","modified_gmt":"2025-08-11T07:43:50","slug":"hydraulic-power-pack-oil-grades-selection","status":"publish","type":"post","link":"https:\/\/hydraflu.com\/it\/selezione-dei-gradi-di-olio-per-gruppi-idraulici\/","title":{"rendered":"Gradi di olio per gruppi idraulici: selezione e applicazioni"},"content":{"rendered":"<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/hydraflu.com\/it\/esplorare-lolio-idraulico\/\">Olio idraulico<\/a> \u00c8 la linfa vitale dei sistemi idraulici, proprio come il sangue nelle vene e l&#039;olio nelle articolazioni che ci mantengono in movimento. Dissipa il calore, lubrifica le parti mobili, trasmette potenza e protegge i componenti da corrosione e usura. La viscosit\u00e0 \u00e8 il criterio principale utilizzato per classificare le gradazioni dell&#039;olio per centraline idrauliche; ISO VG 32, 46 e 68 sono gradazioni comuni. Tuttavia, il tipo di macchinario, la pressione del sistema e la temperatura di esercizio influenzano la scelta della gradazione.<\/span><\/p>\n<p><img data-dominant-color=\"efeeef\" data-has-transparency=\"false\" style=\"--dominant-color: #efeeef;\" loading=\"lazy\" decoding=\"async\" class=\"wp-image-17030 aligncenter not-transparent\" src=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/1-1.jpg\" alt=\"livellatore di banchina Grado di olio del gruppo di alimentazione\" width=\"587\" height=\"587\" srcset=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/1-1.jpg 1080w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/1-1-150x150.jpg 150w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/1-1-768x768.jpg 768w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/1-1-12x12.jpg 12w\" sizes=\"auto, (max-width: 587px) 100vw, 587px\" \/><\/p>\n<h2><span style=\"font-size: 27.2px; font-weight: 400;\">Introduzione ai gradi di olio per gruppi idraulici<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">La scelta del giusto grado di olio idraulico per la centralina \u00e8 fondamentale per l&#039;efficienza del sistema, la durata utile e la sicurezza operativa. Comprendere gli aspetti dei gradi di olio idraulico, le loro applicazioni, i criteri di selezione e i metodi di utilizzo ottimali pu\u00f2 essere tecnicamente un po&#039; complesso. I gradi di olio idraulico si riferiscono alla classificazione della viscosit\u00e0 dei fluidi idraulici, essenzialmente alla loro resistenza al flusso a una data temperatura. Vengono utilizzati due standard di classificazione principali:<\/span><\/p>\n<h3><span style=\"font-weight: 400;\"><img data-dominant-color=\"a09c98\" data-has-transparency=\"false\" style=\"--dominant-color: #a09c98;\" loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-17032 not-transparent\" src=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/7.jpg\" alt=\"Olio idraulico AW 68\" width=\"1080\" height=\"1080\" srcset=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/7.jpg 1080w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/7-150x150.jpg 150w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/7-768x768.jpg 768w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/7-12x12.jpg 12w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/>ISO VG (grado di viscosit\u00e0)<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Definita dall&#039;Organizzazione Internazionale per la Normazione, misura la viscosit\u00e0 cinematica in centistokes (cSt) a 40\u00b0C.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Grado SAE<\/span><\/h3>\n<table>\n<tbody>\n<tr>\n<td><b>Grado ISO VG<\/b><\/td>\n<td><b>Viscosit\u00e0 tipica<\/b><\/td>\n<td><b>Applicazioni comuni dei gruppi idraulici<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">ISO VG 22<\/span><\/td>\n<td><span style=\"font-weight: 400;\">19,8 \u2013 24,2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Robotica di precisione, gruppi idraulici mobili a bassa temperatura<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">ISO VG 32<\/span><\/td>\n<td><span style=\"font-weight: 400;\">28,8 \u2013 35,2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gruppi idraulici di potenza per uso generale, verricelli marini<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">ISO VG 46<\/span><\/td>\n<td><span style=\"font-weight: 400;\">41,4 \u2013 50,6<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Pacchetti di macchinari industriali, attrezzature edili<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">ISO VG 68<\/span><\/td>\n<td><span style=\"font-weight: 400;\">61,2 \u2013 74,8<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Gruppi elettrogeni per presse ad alto carico<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">ISO VG 100<\/span><\/td>\n<td><span style=\"font-weight: 400;\">90 \u2013 110<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Grandi gruppi idraulici in acciaierie e sistemi minerari<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span style=\"font-weight: 400;\">Viscosit\u00e0<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">La viscosit\u00e0 dell&#039;olio idraulico si misura in centistokes (cSt) a 40\u00b0C e per classificare gli oli si utilizza il sistema ISO VG (grado di viscosit\u00e0).\u00a0<\/span><\/p>\n<p><img data-dominant-color=\"94abba\" data-has-transparency=\"false\" style=\"--dominant-color: #94abba;\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17033 not-transparent\" src=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/8.jpg\" alt=\"Olio idraulico AW 46\" width=\"1080\" height=\"1080\" srcset=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/8.jpg 1080w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/8-150x150.jpg 150w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/8-768x768.jpg 768w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/8-12x12.jpg 12w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/p>\n<h2><span style=\"font-weight: 400;\">Informazioni sui gradi di olio per gruppi idraulici<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Le qualit\u00e0 degli oli idraulici sono classificate in base alla viscosit\u00e0 dei fluidi idraulici, ovvero in base alla loro resistenza al flusso a una data temperatura. Vengono utilizzati due standard di classificazione principali:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ISO VG (grado di viscosit\u00e0): definito dall&#039;Organizzazione internazionale per la normazione, misura la viscosit\u00e0 cinematica in centistokes (cSt) a 40\u00b0C.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gradi SAE: pi\u00f9 comuni nelle applicazioni automobilistiche; misurano la viscosit\u00e0 a diverse temperature.<\/span><\/li>\n<\/ul>\n<p><b><img data-dominant-color=\"b7ab95\" data-has-transparency=\"false\" style=\"--dominant-color: #b7ab95;\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17034 not-transparent\" src=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/9.jpg\" alt=\"Olio idraulico AW32\" width=\"1080\" height=\"1080\" srcset=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/9.jpg 1080w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/9-150x150.jpg 150w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/9-768x768.jpg 768w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/9-12x12.jpg 12w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/>Altre classificazioni:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">HLP: Indica un olio idraulico con maggiore protezione dall&#039;usura e stabilit\u00e0 all&#039;ossidazione.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">HV: indica un indice di viscosit\u00e0 elevato, ovvero l&#039;olio mantiene la sua viscosit\u00e0 in un intervallo di temperature.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">AW (Anti-usura): Oli con additivi antiusura per proteggere i componenti idraulici.\u00a0<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Se il tuo veicolo funziona in <\/span><b>condizioni sotto lo zero<\/b><span style=\"font-weight: 400;\">, considerare <\/span><b>oli idraulici a bassa temperatura<\/b><span style=\"font-weight: 400;\"> ad esempio <\/span><b>Gradi artici ISO VG 15 o 22<\/b><span style=\"font-weight: 400;\"> (ad esempio, Mobil DTE 11M, Shell Tellus S4 VX), che rimangono fluidi anche in condizioni di freddo estremo e prevengono movimenti lenti.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Gradi e applicazioni dell&#039;olio per gruppi idraulici<\/span><\/h2>\n<h3><span style=\"font-weight: 400;\">Oli per gruppi idraulici di grado leggero (ISO VG 22\u201332)<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Grazie alla loro bassa viscosit\u00e0, gli oli idraulici leggeri funzionano bene a basse temperature e fluiscono facilmente all&#039;avviamento. La loro ridotta resistenza riduce al minimo l&#039;usura durante gli avviamenti a freddo, garantendo una lubrificazione tempestiva di pompe e attuatori.\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Macchinari CNC: l&#039;olio ISO VG 32 \u00e8 vantaggioso per i sistemi di controllo del movimento di precisione negli impianti di produzione grazie alla sua bassa viscosit\u00e0, che favorisce un movimento fluido e privo di effetti stick-slip.<img data-dominant-color=\"e8e8e7\" data-has-transparency=\"false\" style=\"--dominant-color: #e8e8e7;\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-17035 not-transparent\" src=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/2-1.jpg\" alt=\"gradi di olio per gruppi elettrogeni di sollevamento posteriore\" width=\"480\" height=\"480\" srcset=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/2-1.jpg 1080w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/2-1-150x150.jpg 150w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/2-1-768x768.jpg 768w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/2-1-12x12.jpg 12w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/span><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Idraulica aeronautica: il VG 22 viene spesso utilizzato nei gruppi elettrogeni di supporto a terra degli aeromobili, poich\u00e9 i sistemi devono rispondere rapidamente, anche a temperature gelide.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Robotica di precisione: il VG 32 \u00e8 ideale per i robot da catena di montaggio nella produzione di componenti elettronici, che richiedono un&#039;attuazione rapida e affidabile con resistenza minima.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Attenzione: questi gradi potrebbero non mantenere una resistenza della pellicola sufficiente in gruppi elettrogeni ad alto carico o ad alta pressione, il che potrebbe causare contatto metallo su metallo e usura precoce.<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400;\"><img data-dominant-color=\"ececec\" data-has-transparency=\"false\" style=\"--dominant-color: #ececec;\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17044 not-transparent\" src=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/3-1.jpg\" alt=\"Grado di olio per gruppo elettrogeno del rimorchio ribaltabile\" width=\"1080\" height=\"1080\" srcset=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/3-1.jpg 1080w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/3-1-150x150.jpg 150w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/3-1-768x768.jpg 768w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/3-1-12x12.jpg 12w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/>Gradi medi <\/span><span style=\"font-weight: 400;\">Oli per gruppi idraulici<\/span><span style=\"font-weight: 400;\">(ISO VG 46)<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Gli oli di media gradazione sono adatti a un&#039;ampia gamma di temperature e pressioni di esercizio, poich\u00e9 offrono un compromesso equilibrato tra fluidit\u00e0 e resistenza del film lubrificante. Sono la gradazione pi\u00f9 utilizzata per centraline idrauliche mobili e applicazioni industriali generali.\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Escavatori e caricatori: l&#039;olio ISO VG 46 HLP \u00e8 spesso utilizzato nelle attrezzature edili che operano in climi temperati perch\u00e9 garantisce protezione dall&#039;usura e prestazioni reattive.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Macchine per stampaggio a iniezione: le centraline idrauliche con VG 46 garantiscono un controllo preciso della pressione e proteggono dall&#039;usura durante il funzionamento continuo nell&#039;industria di produzione delle materie plastiche.<img data-dominant-color=\"eeedee\" data-has-transparency=\"false\" style=\"--dominant-color: #eeedee;\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17045 not-transparent\" src=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/4-1.jpg\" alt=\"grado di olio per gruppo elettrogeno per sollevatori per auto\" width=\"1080\" height=\"1080\" srcset=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/4-1.jpg 1080w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/4-1-150x150.jpg 150w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/4-1-768x768.jpg 768w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/4-1-12x12.jpg 12w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/span><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Idraulica agricola: VG 46 viene utilizzato da mietitrebbie e trattori per bilanciare il sollevamento di carichi pesanti a lungo termine sul campo con prestazioni di avviamento a freddo.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Attenzione: sebbene adattabili, l&#039;accumulo di fanghi e vernici pu\u00f2 essere causato da una filtrazione inadeguata o dalla mancata pulizia dell&#039;olio, con conseguente riduzione dell&#039;efficienza del sistema.<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400;\">Gradi pesanti\u00a0<\/span><span style=\"font-weight: 400;\">Oli per gruppi idraulici<\/span><span style=\"font-weight: 400;\">(ISO VG 68\u2013100+)<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Gli oli di grado pesante sono perfetti per centraline idrauliche ad alto carico, a bassa velocit\u00e0 o ad alta pressione, grazie alla loro elevata viscosit\u00e0 e alla capacit\u00e0 di formare un robusto film lubrificante. Pompe, motori e cilindri sono protetti dalla loro consistenza pi\u00f9 densa, che ne impedisce la fuoriuscita sotto carico.\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Presse per acciaio: per gestire le elevate pressioni e i pesi coinvolti nello stampaggio e nella forgiatura, le centraline negli impianti di formatura dei metalli utilizzano spesso VG 68 o VG 100.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Attrezzature minerarie pesanti: per garantire la protezione dei componenti sottoposti a cicli di lavoro continui e ad alto impatto, le pale idrauliche e le trivelle si affidano a VG 68+. <img data-dominant-color=\"e5e5e5\" data-has-transparency=\"false\" style=\"--dominant-color: #e5e5e5;\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17046 not-transparent\" src=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/5-1.jpg\" alt=\"Grado di olio per pompa di potenza a doppio effetto\" width=\"1080\" height=\"1080\" srcset=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/5-1.jpg 1080w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/5-1-150x150.jpg 150w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/5-1-768x768.jpg 768w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/5-1-12x12.jpg 12w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/span><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Piattaforme di perforazione offshore: gli oli HVLP ad alta viscosit\u00e0 vengono utilizzati in ambienti marini per gestire carichi elevati senza essere dilavati dall&#039;esposizione all&#039;acqua.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Attenzione: se questi oli non vengono riscaldati prima dell&#039;uso, potrebbero diventare lenti quando fa freddo e ritardare la risposta del sistema.<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Tipo di pompa<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Temperatura \u00b0C\/\u00b0F max.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Pressione bar\/psi<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Viscosit\u00e0 ISO VG<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\"><span style=\"font-weight: 400;\">Ingranaggio<\/span><\/td>\n<td><span style=\"font-weight: 400;\">70\/158<\/span><\/td>\n<td><span style=\"font-weight: 400;\">34.5\/500<\/span><\/td>\n<td><span style=\"font-weight: 400;\">32-68<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">60\/140<\/span><\/td>\n<td><span style=\"font-weight: 400;\">34.5\/500<\/span><\/td>\n<td><span style=\"font-weight: 400;\">15-32<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\"><span style=\"font-weight: 400;\">Banderuola<\/span><\/td>\n<td><span style=\"font-weight: 400;\">70\/158<\/span><\/td>\n<td><span style=\"font-weight: 400;\">34.5\/500<\/span><\/td>\n<td><span style=\"font-weight: 400;\">15-22<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">70\/158<\/span><\/td>\n<td><span style=\"font-weight: 400;\">69\/1,000<\/span><\/td>\n<td><span style=\"font-weight: 400;\">22-46<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">60\/140<\/span><\/td>\n<td><span style=\"font-weight: 400;\">69\/1,000<\/span><\/td>\n<td><span style=\"font-weight: 400;\">15-32<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">40\/104<\/span><\/td>\n<td><span style=\"font-weight: 400;\">69\/1,000<\/span><\/td>\n<td><span style=\"font-weight: 400;\">10-15<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"7\"><span style=\"font-weight: 400;\">Pistone<\/span><\/td>\n<td><span style=\"font-weight: 400;\">70\/158<\/span><\/td>\n<td><span style=\"font-weight: 400;\">34.5\/500<\/span><\/td>\n<td><span style=\"font-weight: 400;\">15-22<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">70\/158<\/span><\/td>\n<td><span style=\"font-weight: 400;\">172.5\/2,500<\/span><\/td>\n<td><span style=\"font-weight: 400;\">22-46<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">60\/140<\/span><\/td>\n<td><span style=\"font-weight: 400;\">172.5\/2,500<\/span><\/td>\n<td><span style=\"font-weight: 400;\">32-46<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">40\/104<\/span><\/td>\n<td><span style=\"font-weight: 400;\">172.5\/2,500<\/span><\/td>\n<td><span style=\"font-weight: 400;\">15-22<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">70\/158<\/span><\/td>\n<td><span style=\"font-weight: 400;\">293\/4,250<\/span><\/td>\n<td><span style=\"font-weight: 400;\">46-68<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">60\/140<\/span><\/td>\n<td><span style=\"font-weight: 400;\">293\/4,250<\/span><\/td>\n<td><span style=\"font-weight: 400;\">22-46<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">40\/104<\/span><\/td>\n<td><span style=\"font-weight: 400;\">293\/4,250<\/span><\/td>\n<td><span style=\"font-weight: 400;\">15-22<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span style=\"font-weight: 400;\">Gradi di olio per gruppi idraulici: guida tecnica, applicazioni, selezione e migliori pratiche<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Gli oli per gruppi idraulici sono una miscela di olio base e pacchetti di additivi:<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Oli base<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Minerali (Gruppo I, II, III) o sintetici (PAO, esteri).<img data-dominant-color=\"eeeeed\" data-has-transparency=\"false\" style=\"--dominant-color: #eeeeed;\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17047 not-transparent\" src=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/6.jpg\" alt=\"Grado di olio per pompa di potenza a semplice effetto\" width=\"1080\" height=\"1080\" srcset=\"https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/6.jpg 1080w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/6-150x150.jpg 150w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/6-768x768.jpg 768w, https:\/\/hydraflu.com\/wp-content\/uploads\/2025\/08\/6-12x12.jpg 12w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Additivi<\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Agenti antiusura (ad esempio, dialchilditiofosfato di zinco, ZDDP)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Inibitori di ruggine e corrosione<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Agenti antischiuma<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Stabilizzatori di ossidazione<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Demulsionante (per la separazione dell&#039;acqua)<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">Fattori nella scelta del giusto grado di olio idraulico<\/span><\/h2>\n<table>\n<tbody>\n<tr>\n<td><b>Applicazione<\/b><\/td>\n<td><b>ISO VG<\/b><\/td>\n<td><b>Tipo di additivo<\/b><\/td>\n<td><b>Note speciali<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Attrezzature mobili per climi freddi<\/span><\/td>\n<td><span style=\"font-weight: 400;\">VG 22\u201332<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Antiusura, inibitore di ruggine<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Punto di scorrimento \u2264 -30\u00b0C<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Idraulica industriale generale<\/span><\/td>\n<td><span style=\"font-weight: 400;\">VG 46<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Antiusura<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Prestazioni bilanciate<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Presse per impieghi gravosi\/estrazione mineraria<\/span><\/td>\n<td><span style=\"font-weight: 400;\">VG 68\u2013100<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Pressione estrema (EP)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Resistenza ad alto carico<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Marina\/offshore<\/span><\/td>\n<td><span style=\"font-weight: 400;\">VG 46\u201368<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Demulsionato, antiruggine<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Conforme alle specifiche marine<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Macchinari per uso alimentare<\/span><\/td>\n<td><span style=\"font-weight: 400;\">VG 32\u201346<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Additivi alimentari NSF H1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nessun metallo tossico<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span style=\"font-weight: 400;\">Buone pratiche per l&#039;utilizzo degli oli idraulici<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Sono necessarie rigorose procedure di gestione dell&#039;olio per garantire che le centraline idrauliche funzionino al meglio e durino a lungo. Tutto il fluido idraulico deve essere filtrato prima del riempimento del serbatoio e devono essere installati filtri in linea di alta qualit\u00e0 per eliminare le impurit\u00e0 durante il funzionamento del sistema. Anche la pulizia dell&#039;olio deve rispettare le seguenti norme:<a href=\"https:\/\/hydraflu.com\/it\/decodifica-iso-4406-controllo-della-contaminazione-nei-sistemi-idraulici\/\"> ISO 4406<\/a> Standard di pulizia. L&#039;analisi regolare delle condizioni dell&#039;olio \u00e8 necessaria per verificare i livelli di ossidazione, la contaminazione da particolato e acqua e le variazioni di viscosit\u00e0 che potrebbero compromettere le prestazioni. Altrettanto importante \u00e8 il controllo della temperatura; la maggior parte dei sistemi funziona al meglio tra 35 \u00b0C e 65 \u00b0C, rendendo necessario l&#039;uso di riscaldatori o refrigeratori quando necessario per evitare stress termici. Poich\u00e9 pacchetti di additivi incompatibili possono causare la formazione di morchie o schiuma, \u00e8 meglio evitare di mescolare oli di qualit\u00e0 diversa. Infine, per mantenere l&#039;integrit\u00e0 del fluido e massimizzare i cicli di manutenzione, i cambi d&#039;olio dovrebbero essere pianificati in base alle ore di funzionamento effettive o ai risultati del monitoraggio delle condizioni, piuttosto che a intervalli prestabiliti.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Considerazioni ambientali e di sicurezza<\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nelle applicazioni eco-sensibili sono richiesti oli idraulici biodegradabili (tipi HEES, HETG).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fluidi resistenti al fuoco (tipi HFC, HFDU) per acciaierie, fonderie e aviazione.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Smaltimento corretto dell&#039;olio esausto secondo gli standard ambientali ISO 14001.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">Considerazioni finali<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Selezionare la corretta qualit\u00e0 di olio idraulico non significa solo scegliere un numero da una tabella. Richiede la comprensione dell&#039;ambiente operativo del sistema, delle condizioni di carico e delle propriet\u00e0 fisiche e chimiche dell&#039;olio. Una corretta selezione e manutenzione ridurranno i tempi di fermo, aumenteranno l&#039;efficienza e prolungheranno la durata delle apparecchiature idrauliche.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Hydraulic oil is the lifeblood of hydraulic systems, much like the blood in your veins and the oil in your joints keep you moving. It [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-17027","post","type-post","status-publish","format-standard","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hydraulic Power Pack Oil Grades \u2013 Selection and Applications - Hydraflu Hydraulic CO.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hydraflu.com\/it\/selezione-dei-gradi-di-olio-per-gruppi-idraulici\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hydraulic Power Pack Oil Grades \u2013 Selection and Applications - Hydraflu Hydraulic CO.\" \/>\n<meta property=\"og:description\" content=\"Hydraulic oil is the lifeblood of hydraulic systems, much like the blood in your veins and the oil in your joints keep you moving. 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