Which hydraulic oil grade? ISO VG 32 vs 46 vs 68
What the ISO VG number means, how the machine, the pump and Rajkot's heat decide the grade, and why a mechanical power press is a different case.
Read the guideLubricant guides
Practical guides for maintenance engineers and factory owners in Shapar-Veraval, Metoda GIDC and Rajkot: which grade to buy, how to mix it and how to keep it working. The machine maker's specification always comes first; these guides help you read it and ask the right questions.
All guides
What the ISO VG number means, how the machine, the pump and Rajkot's heat decide the grade, and why a mechanical power press is a different case.
Read the guideTypical concentrations by operation, ratio-to-percentage conversions, the right mixing order, refractometer checks and the warning signs of a failing sump.
Read the guideGrade, zinc or zinc-free anti-wear oil, oxidation stability, keeping servo valves clean and when to change the oil, with the anti-wear oils we stock.
Read the guideWhat the two grades mean, EP gear oil standards, when each is used, worm gearboxes, mixing, warning signs and good oil-change practice.
Read the guideNot sure which oil?
Send the machine make and model, or a photo of its oil label, on WhatsApp and we'll help you check the grade.