{"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\/fr\/selection-des-grades-dhuile-pour-groupe-hydraulique\/","title":{"rendered":"Huiles pour centrales hydrauliques\u00a0: s\u00e9lection et applications"},"content":{"rendered":"<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/hydraflu.com\/fr\/exploration-de-lhuile-hydraulique\/\">huile hydraulique<\/a> L&#039;huile est essentielle au bon fonctionnement des syst\u00e8mes hydrauliques, tout comme le sang dans vos veines et l&#039;huile dans vos articulations vous permettent de bouger. Elle dissipe la chaleur, lubrifie les pi\u00e8ces mobiles, transmet la puissance et prot\u00e8ge les pi\u00e8ces contre la corrosion et l&#039;usure. La viscosit\u00e9 est le principal crit\u00e8re de classification des huiles pour centrales hydrauliques\u00a0; les normes ISO VG 32, 46 et 68 sont courantes. Toutefois, le type de machine, la pression du syst\u00e8me et la temp\u00e9rature de fonctionnement influencent le choix de l&#039;huile.<\/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=\"niveleur de quai, bloc d&#039;alimentation, huile de qualit\u00e9\" 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;\">Introduction aux diff\u00e9rentes qualit\u00e9s d&#039;huile pour groupes hydrauliques<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Choisir la bonne qualit\u00e9 d&#039;huile hydraulique pour le groupe hydraulique est essentiel \u00e0 l&#039;efficacit\u00e9 du syst\u00e8me, \u00e0 sa dur\u00e9e de vie et \u00e0 la s\u00e9curit\u00e9 de fonctionnement. Comprendre les caract\u00e9ristiques des diff\u00e9rentes qualit\u00e9s d&#039;huile hydraulique, leurs applications, les crit\u00e8res de s\u00e9lection et les m\u00e9thodes d&#039;utilisation optimales peut s&#039;av\u00e9rer complexe. Les qualit\u00e9s d&#039;huile hydraulique correspondent \u00e0 la classification de la viscosit\u00e9 des fluides hydrauliques, c&#039;est-\u00e0-dire \u00e0 leur r\u00e9sistance \u00e0 l&#039;\u00e9coulement \u00e0 une temp\u00e9rature donn\u00e9e. Deux principales normes de classification sont utilis\u00e9es\u00a0:<\/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=\"Huile hydraulique 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 (Grade de viscosit\u00e9)<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">D\u00e9finie par l&#039;Organisation internationale de normalisation, elle mesure la viscosit\u00e9 cin\u00e9matique en centistokes (cSt) \u00e0 40 \u00b0C.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Grade SAE<\/span><\/h3>\n<table>\n<tbody>\n<tr>\n<td><b>Niveau de qualit\u00e9 ISO VG<\/b><\/td>\n<td><b>Viscosit\u00e9 typique<\/b><\/td>\n<td><b>Applications courantes des groupes hydrauliques<\/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;\">Robotique de pr\u00e9cision, groupes hydrauliques mobiles basse temp\u00e9rature<\/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;\">Groupes hydrauliques polyvalents, treuils marins<\/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;\">Packs de machines industrielles, \u00e9quipements de construction<\/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;\">Groupes hydrauliques haute performance pour presses \u00e0 forte charge<\/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;\">Groupes hydrauliques de grande taille dans les aci\u00e9ries et les syst\u00e8mes miniers<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span style=\"font-weight: 400;\">Viscosit\u00e9<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">La viscosit\u00e9 de l&#039;huile hydraulique est mesur\u00e9e en centistokes (cSt) \u00e0 40 \u00b0C, et le syst\u00e8me ISO VG (Viscosity Grade) est utilis\u00e9 pour classer les huiles.\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=\"Huile hydraulique 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;\">Comprendre les grades d&#039;huile des groupes hydrauliques<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Les huiles hydrauliques sont class\u00e9es selon leur viscosit\u00e9, c&#039;est-\u00e0-dire leur r\u00e9sistance \u00e0 l&#039;\u00e9coulement \u00e0 une temp\u00e9rature donn\u00e9e. Deux normes de classification principales sont utilis\u00e9es\u00a0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ISO VG (grade de viscosit\u00e9) : D\u00e9fini par l&#039;Organisation internationale de normalisation, il mesure la viscosit\u00e9 cin\u00e9matique en centistokes (cSt) \u00e0 40 \u00b0C.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Normes SAE\u00a0: plus courantes dans les applications automobiles\u00a0; mesurent la viscosit\u00e9 \u00e0 diff\u00e9rentes temp\u00e9ratures.<\/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=\"Huile hydraulique 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\" \/>Autres classifications\u00a0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">HLP\u00a0: D\u00e9signe une huile hydraulique offrant une protection renforc\u00e9e contre l\u2019usure et une stabilit\u00e9 accrue \u00e0 l\u2019oxydation.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">HV\u00a0: Indique un indice de viscosit\u00e9 \u00e9lev\u00e9, ce qui signifie que l\u2019huile conserve bien sa viscosit\u00e9 sur une plage de temp\u00e9ratures.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">AW (Anti-usure) : Huiles contenant des additifs anti-usure pour prot\u00e9ger les composants hydrauliques.\u00a0<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Si votre v\u00e9hicule fonctionne en <\/span><b>conditions n\u00e9gatives<\/b><span style=\"font-weight: 400;\">, consid\u00e9rer <\/span><b>huiles hydrauliques basse temp\u00e9rature<\/b><span style=\"font-weight: 400;\"> tel que <\/span><b>Qualit\u00e9s arctiques ISO VG 15 ou 22<\/b><span style=\"font-weight: 400;\"> (par exemple, Mobil DTE 11M, Shell Tellus S4 VX), qui restent fluides par grand froid et emp\u00eachent les mouvements lents.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Qualit\u00e9s et applications des huiles pour centrales hydrauliques<\/span><\/h2>\n<h3><span style=\"font-weight: 400;\">Huiles pour groupes hydrauliques de qualit\u00e9 l\u00e9g\u00e8re (ISO VG 22\u201332)<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Gr\u00e2ce \u00e0 leur faible viscosit\u00e9, les huiles hydrauliques l\u00e9g\u00e8res fonctionnent parfaitement \u00e0 basse temp\u00e9rature et circulent facilement au d\u00e9marrage. Leur faible r\u00e9sistance minimise l&#039;usure lors des d\u00e9marrages \u00e0 froid en assurant une lubrification rapide des pompes et des actionneurs.\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Machines CNC : L&#039;huile ISO VG 32 est avantageuse pour les syst\u00e8mes de contr\u00f4le de mouvement de pr\u00e9cision dans les installations de fabrication en raison de sa faible viscosit\u00e9, qui favorise un mouvement fluide exempt d&#039;effets de 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=\"grades d&#039;huile pour groupe hydraulique de hayon \u00e9l\u00e9vateur\" 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;\">Hydraulique a\u00e9ronautique : Le VG 22 est fr\u00e9quemment utilis\u00e9 dans les groupes \u00e9lectrog\u00e8nes de soutien au sol a\u00e9rospatial car les syst\u00e8mes doivent r\u00e9agir rapidement, m\u00eame par temp\u00e9ratures glaciales.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Robotique de pr\u00e9cision\u00a0: Le VG 32 est id\u00e9al pour les robots de cha\u00eenes de montage dans la fabrication \u00e9lectronique, qui n\u00e9cessitent une actionnement rapide et fiable avec une tra\u00een\u00e9e minimale.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Avertissement\u00a0: Ces qualit\u00e9s pourraient ne pas maintenir une r\u00e9sistance suffisante du film dans les blocs d\u2019alimentation \u00e0 charge ou pression \u00e9lev\u00e9es, ce qui pourrait entra\u00eener un contact m\u00e9tal sur m\u00e9tal et une usure pr\u00e9matur\u00e9e.<\/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=\"Groupe motopropulseur de remorque basculante qualit\u00e9 d&#039;huile\" 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\" \/>Niveaux moyens <\/span><span style=\"font-weight: 400;\">Huiles pour groupes hydrauliques<\/span><span style=\"font-weight: 400;\">(ISO VG 46)<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Les huiles de qualit\u00e9 moyenne conviennent \u00e0 une large plage de temp\u00e9ratures et de pressions de fonctionnement car elles offrent un bon compromis entre fluidit\u00e9 et r\u00e9sistance du film lubrifiant. Elles sont les plus couramment utilis\u00e9es pour les groupes hydrauliques mobiles et les applications industrielles g\u00e9n\u00e9rales.\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Excavatrices et chargeuses : l&#039;huile ISO VG 46 HLP est fr\u00e9quemment utilis\u00e9e dans les \u00e9quipements de construction fonctionnant dans des climats temp\u00e9r\u00e9s car elle offre une protection contre l&#039;usure et des performances r\u00e9actives.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Machines de moulage par injection : Les groupes hydrauliques avec VG 46 pr\u00e9servent un contr\u00f4le pr\u00e9cis de la pression et prot\u00e8gent contre l&#039;usure tout en fonctionnant en continu dans l&#039;industrie de la fabrication de plastiques.<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=\"huile de qualit\u00e9 sup\u00e9rieure pour groupe hydraulique de pont \u00e9l\u00e9vateur\" 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;\">Hydraulique agricole : le VG 46 est utilis\u00e9 par les moissonneuses-batteuses et les tracteurs pour \u00e9quilibrer les efforts de levage importants \u00e0 long terme dans les champs avec les performances de d\u00e9marrage \u00e0 froid.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Attention : Bien qu&#039;adaptables, les d\u00e9p\u00f4ts de boues et de vernis peuvent r\u00e9sulter d&#039;une mauvaise filtration ou d&#039;un d\u00e9faut d&#039;entretien de la propret\u00e9 de l&#039;huile, ce qui r\u00e9duit l&#039;efficacit\u00e9 du syst\u00e8me.<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400;\">Classes difficiles\u00a0<\/span><span style=\"font-weight: 400;\">Huiles pour groupes hydrauliques<\/span><span style=\"font-weight: 400;\">(ISO VG 68\u2013100+)<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Les huiles de qualit\u00e9 sup\u00e9rieure sont id\u00e9ales pour les centrales hydrauliques \u00e0 forte charge, \u00e0 faible vitesse ou \u00e0 haute pression gr\u00e2ce \u00e0 leur viscosit\u00e9 \u00e9lev\u00e9e et \u00e0 leur capacit\u00e9 \u00e0 former un film lubrifiant robuste. Leur consistance \u00e9paisse prot\u00e8ge les pompes, les moteurs et les v\u00e9rins, les emp\u00eachant de fuir sous charge.\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Presses \u00e0 acier : Pour g\u00e9rer les pressions et les poids \u00e9lev\u00e9s impliqu\u00e9s dans l&#039;estampage et le forgeage, les groupes hydrauliques des installations de formage des m\u00e9taux utilisent fr\u00e9quemment du VG 68 ou du VG 100.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00c9quipements miniers lourds : Pour assurer la protection des composants lors de cycles de service continus et \u00e0 fort impact, les pelles hydrauliques et les foreuses d\u00e9pendent du 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=\"huile pour pompe \u00e0 double effet\" 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;\">Plateformes de forage en mer\u00a0: Les huiles HVLP \u00e0 haute viscosit\u00e9 sont utilis\u00e9es en milieu marin pour g\u00e9rer des charges importantes sans \u00eatre lessiv\u00e9es par l\u2019exposition \u00e0 l\u2019eau.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Avertissement\u00a0: Si ces huiles ne sont pas chauff\u00e9es avant utilisation, elles peuvent devenir visqueuses par temps froid et entra\u00eener un retard de r\u00e9ponse du syst\u00e8me.<\/span><\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Type de pompe<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Temp\u00e9rature \u00b0C\/\u00b0F max.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Pression bar\/psi<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Viscosit\u00e9 ISO VG<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\"><span style=\"font-weight: 400;\">Engrenage<\/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;\">Girouette<\/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;\">Piston<\/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;\">Huiles pour centrales hydrauliques\u00a0: Guide technique, applications, s\u00e9lection et bonnes pratiques<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Les huiles pour groupes hydrauliques sont un m\u00e9lange d&#039;huile de base et d&#039;additifs\u00a0:<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Huiles de base<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Min\u00e9ral (groupes I, II, III) ou synth\u00e9tique (PAO, esters).<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=\"huile pour pompe \u00e0 simple effet\" 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;\">Additifs<\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Agents anti-usure (par exemple, dialkyldithiophosphate de zinc, ZDDP)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Inhibiteurs de rouille et de corrosion<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Agents antimousse<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Stabilisateurs d&#039;oxydation<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u00e9mulsifie (pour la s\u00e9paration de l&#039;eau)<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">Facteurs \u00e0 prendre en compte pour choisir la qualit\u00e9 d&#039;huile hydraulique appropri\u00e9e<\/span><\/h2>\n<table>\n<tbody>\n<tr>\n<td><b>Application<\/b><\/td>\n<td><b>ISO VG<\/b><\/td>\n<td><b>Type additif<\/b><\/td>\n<td><b>Notes particuli\u00e8res<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u00e9quipement mobile pour climat froid<\/span><\/td>\n<td><span style=\"font-weight: 400;\">VG 22\u201332<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Inhibiteur anti-usure et antirouille<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Point d&#039;\u00e9coulement \u2264 -30\u00b0C<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Hydraulique industrielle g\u00e9n\u00e9rale<\/span><\/td>\n<td><span style=\"font-weight: 400;\">VG 46<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Anti-usure<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Performance \u00e9quilibr\u00e9e<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Presses industrielles\/exploitation mini\u00e8re<\/span><\/td>\n<td><span style=\"font-weight: 400;\">VG 68\u2013100<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Pression extr\u00eame (PE)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u00e9sistance \u00e0 charge \u00e9lev\u00e9e<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Marin\/offshore<\/span><\/td>\n<td><span style=\"font-weight: 400;\">VG 46\u201368<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u00e9s\u00e9mulsifi\u00e9, antirouille<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Conforme aux sp\u00e9cifications marines<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Machines de qualit\u00e9 alimentaire<\/span><\/td>\n<td><span style=\"font-weight: 400;\">VG 32\u201346<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Additifs alimentaires certifi\u00e9s NSF H1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Aucun m\u00e9tal toxique<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span style=\"font-weight: 400;\">Meilleures pratiques d&#039;utilisation des huiles hydrauliques<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Des proc\u00e9dures rigoureuses de gestion de l&#039;huile sont indispensables pour garantir le fonctionnement optimal et la long\u00e9vit\u00e9 des centrales hydrauliques. L&#039;huile hydraulique doit \u00eatre filtr\u00e9e avant le remplissage du r\u00e9servoir et des filtres en ligne de haute qualit\u00e9 doivent \u00eatre install\u00e9s pour \u00e9liminer les impuret\u00e9s pendant le fonctionnement du syst\u00e8me. La propret\u00e9 de l&#039;huile doit \u00e9galement respecter les normes suivantes\u00a0:<a href=\"https:\/\/hydraflu.com\/fr\/decodage-de-la-norme-iso-4406-sur-le-controle-de-la-contamination-dans-les-systemes-hydrauliques\/\"> ISO 4406<\/a> Les normes de propret\u00e9 de l&#039;huile sont essentielles. Une analyse r\u00e9guli\u00e8re de son \u00e9tat est n\u00e9cessaire pour contr\u00f4ler l&#039;oxydation, la pr\u00e9sence de particules et d&#039;eau, ainsi que les variations de viscosit\u00e9 susceptibles d&#039;affecter les performances. Le contr\u00f4le de la temp\u00e9rature est tout aussi important\u00a0; la plupart des syst\u00e8mes fonctionnent de mani\u00e8re optimale entre 35\u00a0\u00b0C et 65\u00a0\u00b0C, ce qui implique l&#039;utilisation de r\u00e9chauffeurs ou de refroidisseurs pour \u00e9viter les contraintes thermiques. L&#039;incompatibilit\u00e9 des additifs pouvant entra\u00eener la formation de boues ou de mousse, il est pr\u00e9f\u00e9rable d&#039;\u00e9viter de m\u00e9langer des huiles de qualit\u00e9s diff\u00e9rentes. Enfin, pour pr\u00e9server l&#039;int\u00e9grit\u00e9 du fluide et optimiser les cycles de maintenance, les vidanges d&#039;huile doivent \u00eatre planifi\u00e9es en fonction des heures de fonctionnement r\u00e9elles ou des r\u00e9sultats de la surveillance de l&#039;\u00e9tat du syst\u00e8me, et non selon des intervalles fixes.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Consid\u00e9rations environnementales et de s\u00e9curit\u00e9<\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Les huiles hydrauliques biod\u00e9gradables (types HEES, HETG) sont n\u00e9cessaires dans les applications sensibles \u00e0 l&#039;environnement.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fluides ignifuges (types HFC, HFDU) pour les aci\u00e9ries, les fonderies et l&#039;aviation.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00c9limination appropri\u00e9e des huiles usag\u00e9es conform\u00e9ment aux normes environnementales ISO 14001.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">R\u00e9flexions finales<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Choisir la bonne qualit\u00e9 d&#039;huile hydraulique ne se r\u00e9sume pas \u00e0 s\u00e9lectionner une valeur sur un tableau. Il est essentiel de comprendre l&#039;environnement d&#039;exploitation de votre syst\u00e8me, les conditions de charge et les propri\u00e9t\u00e9s physico-chimiques de l&#039;huile. Un choix judicieux et un entretien r\u00e9gulier permettront de r\u00e9duire les temps d&#039;arr\u00eat, d&#039;accro\u00eetre l&#039;efficacit\u00e9 et de prolonger la dur\u00e9e de vie de votre \u00e9quipement hydraulique.<\/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 v28.4 - 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\/fr\/selection-des-grades-dhuile-pour-groupe-hydraulique\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\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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