Derating conditions

Wärtsilä NSD Nederland B.V. Engine type W26 Chapter 1.0 Subject Main data Issue date June '00

Derating conditions

Standard conditions

Max. Nom. Min.

Air temperature engine inlet-marine Air temperature engine inlet-power Site elevation above sea level Barometric pressure L.T. coolant before air cooler-marine L.T. coolant before air cooler-power Pressure loss before the compressor of the turbocharger Pressure loss in the air cooler at max. load of p receiver [ C] 45 - 15 [ C] 35 - 15 [m] [mbar] 100 0 1000 982 [ C] 38 - [ C] 45 - [mbar] 10 - -

[mbar/bar] % (70) 2%

(35) 1% Pressure loss exhaust gas after the turbocharger [mbar] 30 - -

Note: For exact values, see order specification

NOTE: For higher temperatures the output of the engine has to be corrected according the drawing curves or according to ISO 3046/1 (mechanical efficiency is 0,9). No compensation is allowed for conditions better than specified.