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Elmet Technologies

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ExxonMobil Heavy Medium Mobil DTE Oil Named Series
Categories: Fluid; Lubricant

Material Notes: The Mobil DTE Oil Named Series of lubricants are premium performance circulating lubricants designed for applications including steam and hydro turbine sets and other systems where long lubricant service life is required. Mobil DTE Oil Named Series lubricants are formulated from highly refined base stocks and an additive system which provide an extremely high level of chemical and thermal stability, rapid and complete separation from water and a high resistance to emulsification. They provide excellent protection against rust and corrosion, including resistance to salt water, and good antiwear properties. They have a high viscosity index which ensures minimum variation of film thickness with temperature and minimum power loss during the warm up period. These grades have excellent air release properties which allow entrained air to separate, thus avoiding pump cavitation and erratic operation. Mobil DTE Oil Named are the lubricants of choice for many users because of their reputation for long life, excellent equipment protection and outstanding versatility in the wide variety of industrial applications. DTE Oil Named lubricants are used widely in steam turbines and hydroturbines with splash, bath and ring-oiling arrangements, and all other continuous circulation methods involving pumps, valves and ancillary equipment. This product series is recommended for continous service in the lubrication of plain and rolling bearings and parallel shaft gearing. They have also been used successfully in some gas turbine and rotary air compressor applications, as well as vacuum pumps. Their reputation is based on many decades of successful service and satisfied users.

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 and inert gases, and with discharge temperatures not exceeding 150C

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Physical PropertiesOriginal ValueComments
Density 0.870 g/cc
@Temperature 15.0 °C
ASTM D4052
Viscosity Measurement 95Index; ASTM D2270
Kinematic Viscosity at 40°C (104°F) 65.1 cStASTM D445
Kinematic Viscosity at 100°C (212°F) 8.7 cStASTM D445
Oxidative Stability 3500 hourTurbine Oil Stability Test (TOST); ASTM D943
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 150 °C
Pour Point -15.0 °CASTM D97
Flash Point 223 °CASTM D92
 
Descriptive Properties
Air Release, ASTM D3427, minutes4@ 50°C
Copper Strip Corrosion1B24 hrs @ 121°C
Demulsibility Time (min)20to 3 mL emulsion @ 54°C
Foam Sequence I, ASTM D97750/0
FZG Scuffing, DIN 5182, A/8.3/90, Fail Stage10
Rust Prevention, Distilled WaterpassASTM D665A
Rust Prevention, Synthetic Sea WaterpassASTM D665B

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