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Product Code:SAE J1235
Title:Measuring and Reporting the Internal Leakage of a Hydraulic Fluid Power Valve
Issuing Committee:Cttc C1, Hydraulic Systems
Scope:To provide a uniform laboratory procedure for measuring and reporting the fluid flow (leakage) across a restricted flow path in a hydraulic fluid power valve. This procedure applies to directional control valves or other valves which in various positions direct or block fluid flow as applied to self- propelled work machines as referenced in SAE J1116.

标准名称：	矿井离心通风机
中标分类：	机械 >> 通用机械与设备 >> 压缩机、风机
替代情况：	被JB/T 4355-93代替
发布日期：
实施日期：	2001-10-01
首发日期：
作废日期：
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