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现行 ISO 28520:2009
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Ships and marine technology — Lubricating oil systems — Guidance for grades of cleanliness and flushing 船舶与海洋技术——润滑油系统——清洁度和冲洗等级指南
发布日期: 2009-02-09
ISO 28520:2009为润滑油系统的冲洗和由此产生的清洁度分级提供了指导。冲洗过程有两个方面: 清除竖立和安装上的污垢,以及 证明管道和整个系统足够清洁。 曲轴箱和(如适用)变速箱等在冲洗前单独清洗,ISO 28520:2009也规定了与此相关的要求。类似的考虑适用于系统储罐和系统的其他部件。 出于ISO 28520:2009的目的,当雷诺数等于或小于3 000时,清洗过程被认为是“冲洗”,当雷诺数等于或大于3 000时,清洗过程被认为是“冲洗”。 在可能的情况下,任何原始设备制造商的冲洗要求优先于ISO 28520:2009中概述的要求。
ISO 28520:2009 provides guidance for flushing of lubricating oil systems, and grading of the resultant cleanliness. The flushing process is twofold:
  • to remove dirt from the erection and installation, and
  • to demonstrate that the pipes and the system as a whole is sufficiently clean.
Crankcase and, where applicable, gearbox etc. are cleaned separately before flushing, and requirements relating to this are also specified in ISO 28520:2009. Similar considerations apply to the system tank and other components of the system. For the purposes of ISO 28520:2009, the cleaning process is considered as “washing through” when the Reynolds is equal to or less than 3 000 and “flushing” when the Reynolds number is equal to or greater than 3 000. Where available, any original equipment manufacturer requirements for flushing take precedence over the requirements outlined in ISO 28520:2009.
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归口单位: ISO/TC 8/SC 3
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