NEN ISO 4411:1987被替代
Hydraulic Fluid Power - Valves - Determination Of Pressure Differential/flow Characteristics
出版：Nederlands Normalisatie Instituut
專家解讀視頻
基本信息
標準編號： NEN ISO 4411:1987
發布時間：1987/8/1 0:00:00
標準類別：Standard
出版單位：Nederlands Normalisatie Instituut
標準頁數：12
標準簡介
Defines methods for determining, under steady conditions, the pressure differential caused by the flow through any given path in a hydraulic fluid power valve. Requirements for test installations, procedures and presentation of results are also defined.
替代本標準的新標準
等同采用的國際標準
ISO 4411:1986 - Identical
