| 品牌 | 美孚 |
|---|---|
| 型号 | Mobil Pegasus 602 and 610 |
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美孚飞马605及610燃气发动机油 Mobil Pegasus 602 and 610 性能特点 1．高总碱值及碱度保持性好 2．出色的抗磨损和抗刮擦性 3．优异的氧化与化学稳定性 4．有效的抗腐蚀性 5．独特的去垢及分散特性 6．无锌和无磷配方应用范围 1．使用含中等量硫化氢燃料的烯气发动机 2．发动机的燃料中含有其他腐蚀性物质，例如TOHC、垃圾填埋气或生特质燃气。 3．润滑油消耗很低的火花点火式四冲程燃气发动机。 4．采用含硫或卤素的天然气作为燃料的往复式压缩机 5．在高温下以额定或超过额定容量工作的高输出或自然吸气式发动机 6．配有催化式排气净化器，需要低灰分燃气发动机油的中速和高速四冲程式发动机 7．易产生气阀机构磨损和腐蚀的发动机。
The Mobil DTE family of products is well known and highly regarded worldwide based on their outstanding performance and the RandD 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.
Specific grades of 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.
 Features | Advantages and Potential Benefits |
| 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 |
| 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 |
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:
Continuous service in plain and roller bearings and parallel shaft gearingLand-based and marine steam turbine, hydro turbine and some gas turbine circulation systems, including pumps, valves and other ancillary equipment (specific grades only - see below specification and approvals)Turbines with oil supplied by splash, bath, ring oiling or other mechanical means (specific grades only - see below specification and approvals)Moderate severity hydraulic pumpsCompressors and vacuum pumps handling air and inert gases, and with discharge temperatures not exceeding 150C
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Specifications and Approvals
Mobil DTE Named Series meets or exceeds the following industry specifications: | Mobil DTE Light | Mobil DTE Medium | Mobil DTE Heavy Medium | Mobil DTE Heavy |
| DIN 51515-1 | X | X | X | X |
| DIN 51517 | X | X | X | X |
| DIN 51524 | X | X | X | X |
| GE GEK 46506D | X | |||
| GE GEK 27070 | X | |||
| GE GEK 28143A | X | X | ||
| China National Standard (GB 11120-89) | X | X |
Typical Properties
Mobil DTE Named Series | Mobil DTE Light | Mobil DTE Medium | Mobil DTE Heavy Medium | Mobil DTE Heavy |
| ISO Viscosity Grade | 32 | 46 | 68 | 100 |
| Viscosity,ASTM D 445 | ||||
| cSt @ 40o C | 31.0 | 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 | 4500 | 3500 | 2800 |
| FZG Scuffing, D5182, Fail Stage | 8 | 9 | 10 | 10 |
| Rust Prevention, ASTM D 665: | ||||
| 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 | - |
| Water Seperability, ASTM D 1401,Min. to 3 ml emulsion @ 82oC | - | - | - | 15 |
| 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 |
| Air Release, ASTM D 3427, 50o C, min. | 2 | 3 | 4 | 8 |
