R. C. Enterprise

VERY HIGH VISCOSITY INDEX
HYDRAULIC FLUID ISO VG 22

Hydraunycoil FH 4720 is a petroleum-based hydraulicfluid with a viscosity of 26 cSt at 40°C and a viscosityindex exceeding 350.Hydraunycoil FH 4720 can be used over an extremelywide temperature range, from - 35°C to + 200°C inclosed circuits. It is formulated to provide adequatelubrication at high temperature whilst not corrodingcopper alloys and electrical wires.

Application
Hydraunycoil FH 4720 is an hydraulic andcompensation fluid for downhole tools used tomeasure the characteristics of formation during thedrilling of wells, as well as quality of the oil/gas/watermix extracted from the well. It is also used to powerwire-line tractors. It is best suited for HT/HP wells(170-200°C / 700-1500 bars).Hydraunycoil FH 4720 is not corrosive at hightemperature to the various alloys used in suchequipment, of which copper, and does not affectnitrile and Viton seals / gaskets.It is approved for use in Schlumberger tools.

HELICOPTER GEAR OIL
OEP-70 – O-155 – MIL-PRF-6086 E Gr. M – DCSEA 255/ADEF STAN 91-112 Gr. OEP-70
DescriptionNycolube 3525 is a petroleum oil with a viscosity of 9 cSt at 100°C.It contains extreme-pressure additives.

ApplicationNycolube 3525 is primarily used as lubricant for helicopters maingearbox. It is particularly recommended for the highly loadedgearbox of heavy-lift helicopters.It does provide a higher protection against wear than syntheticturbine oils meeting the specification MIL-PRF-23699.