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Shell Aeroshell Fluid 31
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Aeroshell Fluid 31
AeroShell Fluid 31 is a synthetic hydrocarbon based aircraft hydraulic fluid with greatly improved fire resistance characteristics when compared with conventional petroleum products
Application Aeroshell Fluid 31
AeroShell Fluid 31 is recommended for use in aircraft, ordnance, and missile systems operating from –400 C to +2050 C . This fluid should be considered for use in auto pilots, shock absorbers, brakes, flight control systems, hydraulic servo-controlled systems and other systems using synthetic elastomer seals. An increasing number of aircraft manufacturers now recommend use of this type of fluid in aircraft hydraulic systems in preference to mineral hydraulic oils. This move has been prompted by need to use fluids with better fire resistant properties. AeroShell Fluid 31 is also approved for use in the Honeywell (formerly Garrett) cooling turbine (cabin air compressors). Increasingly this type of hydraulic fluid is being adopted for use in hydraulic systems of military aircraft in place of mineral hydraulic fluids. AeroShell Fluid 31 is a synthetic hydrocarbon oil and should not be used in contact with incompatible seal materials. AeroShell Fluid 31 is compatible with AeroShell Fluids 4, 41, 51, 61 and 71 and can be used in systems designed to operate with MIL-PRF-5606, MIL-PRF-6083, MIL-PRF-87257 and MILPRF-46170 fluids. Chlorinated solvents should not be used for cleaning hydraulic components which use AeroShell Fluid 31. The residual solvent contaminates the hydraulic fluid and may lead to corrosion.
Performance, Features & Benefits of Aeroshell Fluid 31 are:
- Approved MIL-PRF-83282D (US)
- (MIL-PRF-83282D) (British)
- Equivalent to DCSEA 437/A (French)
- NATO Code H-537
- Joint Service Designation OX-19
Product Description Aeroshell Fluid 31
AeroShell Fluid 31 has a specially designed base stock which imparts a relatively high flash point, excellent low temperature properties and good oxidation and thermal stability. In addition, AeroShell Fluid 31 is formulated with high technology additives to provide oxidation and corrosion resistance, antiwear, and anti-foaming protection. AeroShell Fluid 31 is superclean filtered to ensure optimum performance in particulate monitored systems. AeroShell Fluid 31 is dyed red. The useful operating temperature range is –40 to +205°C.
If you have any questions, please contact OilOnline Technical Helpdesk
Health, Safety & Environment of Aeroshell Fluid 31
Health and Safety
Aeroshell Fluid 31 Guidance on Health and Safety is available on the appropriate Material Safety Data Sheet.
Protect the enviroment
Aeroshell Fluid 31 to an authorised collection point. Do not discharge into drains, soil or water
Typical Characteristics
| Product specifications : | Aeroshell Fluid 31 | |
| Oil Type | Synthetic Hydrocarbon | |
| Kinematic viscosity @205°C mm2/s | 1.07 | |
| Kinematic viscosity @100°C mm2/s | 3.53 | |
| Kinematic viscosity @40°C mm2/s |
|
14.33 |
| Kinematic viscosity @–40°C mm2/s | 2098 | |
| Flashpoint (Cleveland Open Cup) °C |
|
237 |
| Fire Point °C | 251 | |
| Total Acidity mgKOH/g |
|
0.01 |
| Evaporation loss 6.5 hrs @150°C % m | 10 | |
| Relative density @15.6/15. 6 °C |
|
0.850 |
| Pour point °C | Below -55 | |
| Low temperature stability 72 hrs @-40°C |
|
Passes |
| High temperature stability 100 hrs @205°C | Passes | |
| Gravimetric Filtration mg/100ml |
|
0.2 |
| Filtration time minutes | Less than 15 | |
| Particle Count, Automatic 5 to 15 µm per Lt |
|
1331 |
| Particle Count, Automatic 16 to 25 µm per Lt |
190 | |
| Particle Count, Automatic 26 to 50 µm per Lt |
|
55 |
| Particle Count, Automatic 51 to 100 µm per Lt |
4 | |
| Particle Count, Automatic >100 µm per Lt |
|
0 |
| Water content ppm | 82 | |
| Foam resistance ASTM Seq 1 |
|
Passes |
| Flame propagation cm/s | Passes | |
| Rubber swell, NBR-L % |
|
Passes |
| 4-Ball Wear, 1 hr @ 75°C scar dia 1 kg load/1200 rpm mm |
0.18 | |
| 4-Ball Wear, 1 hr @ 75°C scar dia 10 kg load/1200 rpm mm |
|
0.24 |
| 4-Ball Wear, 1 hr @ 75°C scar dia 40 kg load/1200 rpm mm |
0.50 | |
| Oxidation & corrosion stability 168 hrs @ 121°C - metal weight change |
|
Passes |
| Oxidation & corrosion stability 168 hrs @ 121°C - change in viscosity @ 40°C % |
Less than 10 | |
| Oxidation & corrosion stability 168 hrs @ 121°C - change in acidity mgKOH/g |
|
Less than 0.02 |
| Flammability | Passes |
What is Shell Aeroshell Fluid 31?
Shell Aeroshell Fluid 31 is a synthetic fluid used in the steering and braking systems of aviation engines.
In what type of engines can Shell Aeroshell Fluid 31 be used?
Shell Aeroshell Fluid 31 is specially designed for use in commercial and military aviation engines.
What are the main properties of Shell Aeroshell Fluid 31?
Shell Aeroshell Fluid 31 is a fluid with high thermal stability and excellent resistance to oxidation and corrosion. It has high flame extinction, low viscosity at high temperatures and high pressure resistance, making it a reliable solution for the steering and braking systems of aviation engines. It also provides excellent protection against wear and friction, and helps extend the life of engine components.
Where can I buy Shell Aeroshell Fluid 31?
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