Servo Conval 46 is a hydraulic fluid used in HP/LP bypass system of steam turbines. It is manufactured from refined distilled base oils and special antioxidant, rust inhibitive and defoamant based additives. It gives reliable service of control valves and works great when fine sintered bronze filters are present in the circuit. It separates from water easily, has a low tendency to foam and released the the entrained air at a high speed.
| ISO VG | 46 |
|---|---|
| Kinematic Viscosity, cSt @ 40 Degree C | 43-48 |
| Viscosity lndex, Min. | 98 |
| Flash Point, (COC), Degree C Min. | 215 |
| Pour Point, Degree C Max. | (-) 6 |
| Neutralization No. mg KOH/gm | 0.05 |
| Rust Test, (D-665 A&B, 24 hrs.) | Pass |
| Air Release Value in Minutes, Max @ 50 Deg C | 4.0 |
