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发表于 2010-6-28 15:46
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来自： 中国浙江台州
Crankcase Vent Piping Arrangement
1 General Arrangements
Crankcase ventilation piping is not to be directly connected with any other piping system. The
crankcase ventilation pipe from each engine is normally to be led independently to the
weather. However, manifold arrangements in may also be
accepted.
2 Manifold Arrangements
Where a manifold is employed, its arrangements are to be as follows:
i) The vent pipe from each engine is to:
• Run independently to the manifold, and
• Be fitted with a corrosion resistant flame screen within the manifold.
ii) The manifold is to be located as high as practicable so as to allow a substantial length
of piping separating the crankcases. It is not to be located lower than one deck above
the main deck.
iii) The manifold is to be accessible for inspection and maintenance of the flame screens.
iv) The manifold is to be vented to the weather, such that the clear open area of
the vent outlet is not less than the aggregate area of the individual crankcase vent
pipes entering the manifold.
v) The manifold is to be provided with drainage arrangements.
3 Crankcase Drainage
No interconnections are allowed between drain pipes from crankcases. Each drain pipe is to be led
separately to the drain tank and is to be submerged at its outlet. |
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发表于 2010-6-28 16:46
