_____________________________________________________________________________________
STI S.r.l.
– Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com
Manual 5400, rev. 05 02/2018
– RTQHS
26
8.4
Mechanism Lubrication
RTQHS series does not need lubrication during his life.
However it’s possible to utilize during special maintenance operations the following
grease recommended on Table 2 here below.
AGIP MU/EP/2 or equivalent
AEROSHELL GREASE 7 or equivalent
To be used in standard temperature
conditions
(-30°C/+100°C)
NLGI consistency: 2
Worked penetration: 280 dmm
ASTM Dropping Point: 185°C
Base oil viscosity at 40°C: 160 mm²/s
ISO Classification: L-X-BCHB 2
DIN 51 825: KP2K - 20
To be used in low temperature conditions
(-60°C/+100°C)
Colour: Yellow/Brown
Physical state: Semi-solid at ambient temperature
Odour : Slight
Density : 966 kg/m³ at 15°C
Flash Point : >215°C (COC) (Based on synthetic oil)
Dropping point : >260°C (ASTM D-566)
Product code : 001A0065
Infosafe No.: ACISO GB/eng/C
Table 2
8.5
Hydraulic Fluid
Recommended hydraulic fluids to operate the RTQHS actuators are listed here
below.
Equivalent fluids can be used provided they have the same characteristics of the
fluids recommended on the Table 3 here below.
AGIP ARNICA 22
AEROSHELL Fluid 41
To be used in standard temperature
conditions (-30°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
Table 3
