Mobil DTE™ Oil Named Series oils
The Mobil DTE™ Oil Named Series oils are high quality, rust- and oxidation-inhibited circulating lubricants. They are used widely in steam turbines and hydro turbines, as well as all other continuous circulation methods involving pumps, valves and ancillary equipment.
The benefits of Mobil DTE Oil Named Series gear oils may include:
- A balanced formulation resulting in longer oil life, helping reduce maintenance downtime
- Excellent water release properties and a high resistance to emulsification
- Excellent air release properties enabling improved operation and helping avoid pump cavitation
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Data Sheet
Product data sheet (PDS) 
Safety data sheet (SDS) Product Information
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Technical resources
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Learn about five different circumstances related to switching and mixing ExxonMobil marine lubricants.
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Learn more about best practices for handling, storing and dispending ExxonMobil marine lubricants
Features and Benefits
The Mobil DTE family of products is well known and highly regarded worldwide based on their outstanding performance and the R & D expertise and the global technical support which stand behind the brand. The highly versatile performance of Mobil DTE Oil Named oils has made them the oil of choice for a multitude of industrial equipment applications around the world.
Mobil DTE Named oils enjoy an excellent reputation in the lubrication of the circulation systems of steam turbines and hydro turbines, including geared turbines, plus a wide variety of ancillary equipment. As designs change and increase in severity, it is the challenge of our formulation scientists to understand the effect of these changes on the lubricant and to formulate these products for the broad versatility they are recognised for.
For the Mobil DTE Oil Named Series of lubricants, this process has resulted in the use of special base stocks for outstanding oxidation stability, plus a unique additive combination to ensure the excellent, wide-ranging performance of these oils. A review of the features, advantages and potential benefits of the product are shown below.
Mobil DTE Named oils enjoy an excellent reputation in the lubrication of the circulation systems of steam turbines and hydro turbines, including geared turbines, plus a wide variety of ancillary equipment. As designs change and increase in severity, it is the challenge of our formulation scientists to understand the effect of these changes on the lubricant and to formulate these products for the broad versatility they are recognised for.
For the Mobil DTE Oil Named Series of lubricants, this process has resulted in the use of special base stocks for outstanding oxidation stability, plus a unique additive combination to ensure the excellent, wide-ranging performance of these oils. A review of the features, advantages and potential benefits of the product are shown below.
| Very high level of chemical and thermal stability and resistance to sludging and varnishing | Long oil charge life in circulation systems and reduced oil replacement costs |
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Less unplanned downtime and reduced maintenance costs |
| Excellent water release properties | Improved operating efficiency |
| Very good antiwear protection | Longer equipment life, reduced maintenance and downtime |
| Long term protection against rust and corrosion | Longer equipment life, reduced maintenance and downtime |
| High resistance to foaming and excellent air release | Avoids pump cavitation, noisy and erratic operation |
| Highly versatile - multiple applications | Rationalize inventory, reduced inventory costs |
Specifications and Approvals
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meets or exceeds the requirements of:
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Light
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Medium
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Heavy Medium
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Heavy
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| DIN 51515-1: 2010-02 | X | X | X | X |
| DIN 51517-2: 2009-06 | X | X | X | X |
| GE GEK 46506D | X |
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| GE GEK 27070 | X |
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| GE GEK 28143A | X | X |
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| JIS K-2213 Type 2 w/Additives (1983) | X | X | X |
Applications
The Mobil DTE Oil Named Series of lubricants are premium performance circulating lubricants designed for applications where long lubricant service life is required. Specific applications include:
- Land-based and marine steam turbine, hydro turbine and some gas turbine circulation systems, including pumps, valves and other ancillary equipment
- Continuous service in plain and roller bearings and parallel shaft gearing
- Turbines with oil supplied by splash, bath, ring oiling or other mechanical means
- Moderate severity hydraulic pumps
- Compressors and vacuum pumps handling air, natural gas, and inert gases, and with discharge temperatures not exceeding 150C
Typical Properties
| ISO Viscosity Grade | 32 | 46 | 68 | 100 |
| Viscosity, ASTM D 445 |
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| cSt @ 40º C | 31 | 44.5 | 65.1 | 95.1 |
| cSt @ 100º C | 5.5 | 6.9 | 8.7 | 10.9 |
| Viscosity Index, ASTM D 2270 | 102 | 98 | 95 | 92 |
| Pour Point, ºC, ASTM D 97 | -18 | -15 | -15 | -15 |
| Flash Point, ºC, ASTM D 92 | 218 | 221 | 223 | 237 |
| Density @15º C kg/l, ASTM D 4052 | 0.85 | 0.86 | 0.87 | 0.88 |
| TOST, ASTM D 943, Hours to 2 NN | 5000 | 3700 | 4500 | 4500 |
| Rust Prevention, ASTM D 665: |
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| Distilled Water | Pass | Pass | Pass | Pass |
| Sea Water | Pass | Pass | Pass | Pass |
| Water Seperability, ASTM D 1401,Min. to 3 ml emulsion @ 54ºC | 15 | 15 | 20 | 30 |
| Copper Strip Corrosion, ASTM D 130,3 hrs @ 121º C | 1B | 1B | 1B | 1B |
| Foam Test, ASTM D 892, Seq I Tendency/stability, ml/ml | 20/0 | 50/0 | 50/0 | 50/0 |
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