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KOYOTO VISTA T 68 SERIES

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.

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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.

Features & Benefits

  • Excellent hydrolytic, thermal & oxidation stability prevents varnish & sludge formation and helps in extending life of oil and filter.
  • Excellent water shedding property reduces sludge build up and improves efficiency of timing valves.
  •  Excellent air release & an-foaming characteristics, avoids cavitation, noise and eratic operations.
  • Excellent load carrying properties reduces wear in bearings and gears.
  • Excellent protection from rust and corrosion of multi-metallurgy turbine components.

Applications

  • KOYOTO VISTA T 68 series are suitable for use in Non-geared industrial steam and gas turbines operating under low to medium severity conditions.
  • Suitable for use in heavy duty industrial compressor applications lubricated by centralized systems.

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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