KOYOTO VISTA T 68 series are high performance zinc free turbine oils formulated with high quality hydro treated base stocks and advanced additive technology, to provide exceptional equipment protection and reliability in most non-geared steam turbine systems and low to moderate duty gas turbines. They are designed to demonstrate excellent oxidation stability, resistance to sludge & varnish formation, protection against rust & corrosion, low foaming and excellent demulsibility.
Characteristics
Specifications
KOYOTO VISTA T 68 series meets or exceeds following International and Builder specifications:
- DIN 51515 Part-1 & Part-2
- GE GEK 28413B/27070/32568J/107395A/46506E
- MAN Turbo Quality Requirement for Lubricants
- British Standard BS489 & Solar ES9-224W
- Siemens (non-EP) – TLV 9013 04,TLV 9013 05
- Alstom Power Turbo HTGD 90-117 V0001X (non-EP)
Typical Characteristics
KOYOTO VISTA T |
Test Method |
Units |
32 |
46 |
68 |
ISO Viscosity Grade |
ISO 3448 |
— |
32 |
46 |
68 |
Density @ 15 0C |
ASTM D 4052 |
gm/cc |
0.870 |
0.872 |
0.875 |
Viscosity @ 40 0C |
ASTM D 445 |
cSt |
32.2 |
46.5 |
68.8 |
Viscosity @ 100 0C |
ASTM D 445 |
cSt |
5.62 |
7.10 |
9.16 |
Viscosity Index |
ASTM D 2270 |
— |
112 |
110 |
108 |
Pour Point |
ASTM D 97 |
°C |
-30 |
-30 |
-27 |
Flash Point (COC) |
ASTM D 92 |
°C |
224 |
230 |
234 |
TOST, Hours to 2 NN |
ASTM D 943 |
Hours |
>10,000 |
>10,000 |
>10,000 |
Copper Strip Corrosion |
ASTM D 130 |
— |
1A |
1A |
1A |
Rust Characteristics Proc B |
ASTM D 665 |
— |
Pass |
Pass |
Pass |
Air Release , 50 0C |
ASTM D 3427 |
mins |
3 |
4 |
4 |
Foam Seq I,II,III |
ASTM D 892 |
ml/ml |
0/0 |
0/0 |
10/0 |
Demulsibility, 40/40/0 |
ASTM D 1401 |
min |
10 |
10 |
10 |
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