S.No.       Characteristic          Requirement For Method of Test
Grade LV Grade MVI Grade MV2 Grade HV Ref to [P : ] of IS : 1448*
(1) (2) (3) (4) (5) (6) (7)
Acidity, inorganic Nil P : 2
Ash, percent by mass, Max 0.1 P : 4
(Method A)
Gross, calorific value Not limited, but to be reported
(See Note 1)
P : 6
(for reference) and
P : (for routine)
Relative density at 15/15oC Not limited, but to be reported
(See Note 2)
Flash point, [Pensky martens (closed)], Min 66oC P : 21
Kinematic viscosity in centistokes at 50oC, Max 80 125 180 370 P : 25
Sediment, percent by mass, Max 0.25 P : 30
Sulphur, total, percent by mass, Max
(See Note 3)
3.5 4.0 4.0 4.5 P : 33
(for reference)
and P : 35
(for routine)
Water content, percent by volume, Max 1.0 P : 40

 

Note1:Normally the gross calorific value is of the order of 10 000 cal/g.

Note2: Fuel oil for marine uses in diesel engines shall not exceed a limit of 0.99.

Note3: Recognizing the necessity for low-sulphur fuel oils in some specialized uses; a lower limit may be specified by mutual agreement between the purchaser and the supplier.

Effective 01.04.10 FO/LDO supplies to rail fed customers is through BTPN (8 wheeler) rakes only since railways has withdrawn conventional (4 wheeler) rakes from circulation.