Wartsila 31 Product Manual page 87

Wärtsilä 31 Product Guide
where:
p
Rmax
p
Rmin
8.3.4 Air filter, starting air inlet (3F02)
Condense formation after the water separator (between starting air compressor and starting
air vessels) create and loosen abrasive rust from the piping, fittings and receivers. Therefore
it is recommended to install a filter before the starting air inlet on the engine to prevent particles
to enter the starting air equipment.
Wärtsilä 31 Product Guide - a1 - 18 October 2016
V = total starting air vessel volume [m
R
p = normal barometric pressure (NTP condition) = 0.1 MPa
E
V = air consumption per start [Nm
E
n = required number of starts according to the classification society
= maximum starting air pressure = 3 MPa
= minimum starting air pressure = See Technical data
The total vessel volume shall be divided into at least two equally sized starting air
vessels.
3 ]
3 ] See Technical data
NOTE
8. Compressed Air System
8-5