Shell Turbo S4 GX 46
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Shell Turbo S4 GX 46
Premium based industrial steam, gas and combined cycle turbine lubricant for geared turbines
Application Shell Turbo S4 GX 46
Power and industrial steam, gas & combined cycle turbines. Shell Turbo S4 GX 46 is used as the lubricating oil of choice in modern steam, gas and combined cycle turbines, especially those needing enhanced anti-wear performance to protect highly loaded gearboxes.
Further industrial applications. Shell Turbo S4 GX 46 may also be used for other industrial applications requiring a high performance gas turbine oil, such as the lubrication of turbo compressors
Shell Turbo S4 GX 46 – Synthetic Gas Turbine Oil ISO VG 46 (GTL Technology)
Shell Turbo S4 GX 46 is a premium synthetic ISO VG 46 turbine oil based on advanced Gas-to-Liquid (GTL) technology. This high-performance gas turbine lubricant is designed for modern, high-efficiency turbine systems operating under severe thermal and oxidative stress.
The oil delivers outstanding protection against wear, deposits and sludge formation and is particularly suitable for applications requiring extended oil drain intervals and maximum system reliability.
Key Features & Benefits
- Extended oil life
Excellent oxidation stability according to ASTM D943 (TOST) and ASTM Dry TOST. Shell Turbo S4 GX 46 performs exceptionally under high thermal stress and significantly extends maintenance intervals compared to conventional mineral turbine oils. - Superior deposit and sludge control
Minimizes sludge and varnish formation in gas turbine bearings, even at elevated operating temperatures. This helps prevent premature wear and reduces the risk of unplanned shutdowns. - Advanced anti-wear protection for gear systems
Provides reliable wear protection for heavily loaded turbine gearboxes without compromising oxidation resistance or oil life performance. - Improved system efficiency
Excellent performance in:- Water separation (demulsibility)
- Air release properties
- Foam control (ASTM D892)
- Filterability
Applications
- Industrial gas turbines
- Steam turbines
- Turbines with integrated gearboxes
- High-temperature turbine systems
- Installations requiring extended drain intervals
Specifications & Approvals
Shell Turbo S4 GX 46 meets or is approved according to:
- ASTM 4304-13 Type I, II & III
- ISO 8068:2006 L-TGF / L-TGSE
- DIN 51515 Part 1 L-TDP & Part 2 L-TGP
- DIN 51524-2 HLP
- JIS K 2213:2006 Type 2
- GB (China) 11120-2011 L-TSE / L-TGE / L-TGSE
- Siemens Power Generation TLV 9013 04 / 05
- General Electric GEK 28143b / GEK 117064
- Alstom HTGD 90117 V0001 AA
- Dresser Rand 003-406-001 Type I & III
- Solar ES 9-224Y Class II
- MAN D&T SE TED 10000494596
- Siemens Turbo-machinery 1CW0047915 / WN80003798
- Siemens Finspong MAT812109
- GE Oil & Gas ITN52220.04
- ANSALDO TGO2-0171-E00000/B
- MHPS MS04-MA-CL003 (R-5)
Typical Characteristics (Technical Data)
| Properties | Method | Shell Turbo S4 GX 46 | ||
| ISO Viscosity Class | - | - | ISO 3448 | 46 |
| Kinematic Viscosity | @40°C | mm²/s | ASTM D445 | 43.5 |
| Kinematic Viscosity | @100°C | mm²/s | ASTM D445 | 7.50 |
| Viscosity Index (VI) | - | - | ASTM D2270 | 1.39 |
| Density | @15°C | g/cm³ | IP 365 | 0.829 |
| Flash Point, Open Cup | - | °C | ASTM D92 | 250 |
| Pour Point | - | °C | ASTM D97 | -27 |
| Neutralisation Number | - | mg KOH/g | ASTM D974 | 0.15 |
| Air Release | @50°C | min | ASTM D3427 | 1 |
| Copper Corrosion | - | 3h/100°C | ASTM D130 | 1B |
| Rust Protection | - | - | ASTM D665 A & B | No rust |
| Water Separation (minutes to 3 mL emulsion) | - | minutes | ASTM D1401 | 15 |
| Steam Release | - | seconds | IP 19 | 95 |
| Foaming Characteristics, Stability | - | mL/mL | ASTM D892 | - |
| Sequence I | - | - | - | 0/0 |
| Sequence II | - | - | - | 0/0 |
| Sequence III | - | - | - | 0/0 |
| Load Carrying Capacity (FZG Gear Test) Failure Load | - | - | ISO 14635-1 A/8.3/90 |
11 |
| Oxidation Stability | - | - | - | - |
| RPVOT | - | minutes | ASTM D2272 | 1400 |
| Modified RPVOT % of RPVOT | - | - | - | 95% |
| TOST Life (hours) | - | - | ASTM D943 | 10000+ |
| TOST Sludge Test 1000u | - | mg/kg | ASTM D4310 | 25 |
| Dry TOST | @120°C | - | ASTM D7873 | - |
| Sludge Content at 50% RPVOT | - | mg/kg | - | 26 |
| Hours at 50% RPVOT | - | hours | - | 1460 |
Health, Safety & Environment
Health & Safety
Please consult the latest Safety Data Sheet (SDS) for detailed health and safety information.
Environmental Protection
Dispose of used oil via an authorized collection point. Do not discharge into drains, soil or surface water.
Need technical advice for your turbine application?
Contact the technical specialists at OilOnline for professional support.
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