美孚佳特312- 512 Series柴油发动机
Mobilgard 312- 512 Series柴油发动机
优质润滑油的柴油机和船用工业型 打开(中继线) 产品描述: Mobilgard12顷润滑油具有较高的储备碱度,高层次清洁分散剂
开发,以满足柴油机的电流要求。
应用: Mobilgard推荐使用开放式曲轴箱和汽缸活塞发动机的润滑 沿海推进,宠物,渔船和拖船,以及辅机
船舶在海上,或在主引擎的电动发电机组等。 超过
服务级别和API CF去污力要求。
优点:
· 长期变化和低油耗。
· 更清洁的发动机。
· 更好的保护,防止汽缸和轴承的磨损。
· 保养和维修的时间较长。
· 在重负荷条件不变优异的抗磨损保护。
· 优良的洗涤剂和分散性。
· 保管好以长时间使用碱性储备。
· 在曲轴箱的高温氧化非常好的性能。
· 优良的抗锈蚀和腐蚀。
· 良好的过滤性
。
Mobilgard™ 12 Series
Diesel Engine Oils
Product Description
Mobilgard™ 12 Series by ExxonMobil are high performance diesel engine oils developed for use in trunk piston engines operating on low sulphur distillate fuels in marine and industrial applications. They are formulated to have excellent resistance to oxidation and viscosity increase over a long period of service. They have superior water separating properties and provide excellent corrosion protection.
Features and Benefits
Mobilgard 12 Series is formulated with base oils having proven successful performance in diesel engines. The additive system is balanced to provide excellent resistance to thermal degradation under moderately severe operating conditions. They also provide good engine cleanliness and superior wear protection.
When used as recommended, Mobilgard 12 Series oils provide the following features and potential benefits:
Features
|
Advantages and Potential Benefits
|
Excellent thermal and oxidation stability
|
Extended periods between inspections, overhaul and cleaning
|
Improved antiwear properties
|
Reduced ring and liner wear
|
Excellent TBN reserve and retention
|
Increased protection against corrosive wear
|
Excellent detergency/dispersancy properties
|
Increased oil service life
Cleaner engines
|
Applications
The Mobilgard 12 Series diesel engine oils are intended for use as cylinder and bearing lubricants in marine and industrial diesel engines operating on distillate fuels or light fuel blends. They are particularly effective in small bore, high speed engines in fishing fleets; in new, severe service engines; and in many types of medium speed engines. They may be used as crankcase lubricants in large crosshead type diesel engines operating on high sulphur fuels. Mobilgard 512 is recommended occasionally by some builders as running-in oil for crosshead type engines.
Typical Properties
|
312
|
412
|
512
|
SAE Grade
|
30
|
40
|
50
|
Specific Gravity at 15ºC
|
0.896
|
0.899
|
0.903
|
Flash Point, ºC, ASTM D 92
|
266
|
272
|
282
|
Pour Point, ºC, ASTM D 97
|
-9
|
-9
|
-9
|
Viscosity, ASTM D 445
|
|
|
|
cSt, at 40ºC
|
108
|
142
|
219
|
cSt, at 100ºC
|
12.0
|
14.5
|
19.4
|
Viscosity Index, ASTM D 2270
|
100
|
100
|
100
|
TBN, mg KOH/g, ASTM D 2896
|
15
|
15
|
15
|
Sulphated Ash, wt%, ASTM D 874
|
2.1
|
2.1
|
2.1
|
 |