Crankcase Relief Door SOLAS Regulation and Requirements
An IC engine of over 200-mm bore or crankcase volume of 0.6 m3
and above shall be provided with crankcase relief door with sufficient
relief area. (Regulation)
Opening
pressure =
1/15 bar (0.07 bar) above Atmospheric pressure, but >/ 3~7 bar of explosion pressure.
Free
area of
each relief valve is </ 45 cm2.
Combined
area of
relief valves </ 115 cm2 per m3 of crankcase volume.
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