STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com
Manual 5020, rev.03 07/2021 - SC/VHS 22
8.5 Hydraulic Fluid
Recommended hydraulic fluids to operate the SC/VHS actuators are listed
here below.
Equivalent fluids can be used provided they have the same characteristics
of the below recommended fluids.
To be used in standard temperature
conditions: (-20°C/+100°C
Manufacturer: Agip
Viscosity at 40°C: 22 cSt
Viscosity at 100°C: 4,94 cSt
Viscosity Index: 157
Flash point COC: 192 °C
Pour Point: < -39 °C
Mass density at 15°C: 0,857 Kg/l
To be used in low temperature conditions:
-60°C/+100°C
Manufacturer: Shell
Viscosity at 40°C: 14,1 cSt
Viscosity at 100°C: 5,30 cSt
Viscosity Index: > 200
Flash point COC: 105 °C
Pour Point: < -60 °C
Mass density at 15°C: 0,87 Kg/l