GB/T 18853-2015 in English

《GB/T 18853-2015液压传动过滤器 评定滤芯过滤性能的多次通过方法》由TC3（全国液压气动标准化技术委员会）归口，TC3SC4（全国液压气动标准化技术委员会液压污染控制分会）执行，主管部门为中国机械工业联合会。
本标准规定以下内容：
　　a)　液压传动滤芯在污染物连续注入条件下的多次通过过滤性能试验；
　　b)　测定纳垢容量、颗粒滤除和压差特性的程序；
　　c)　目前适用于液压传动滤芯的试验。这种滤芯对尺寸小于或等于25 ?m(c)颗粒其平均过滤比大于或等于75，并且试验结束时的油箱重量污染度小于200 mg/L。
　　注：试验设备的流量范围和颗粒尺寸下限通过验证确定。
　　d)　使用ISO中级试验粉末和附录A规定的试验油液进行的试验。 　
　　本标准适用于三种试验条件：
　　--试验条件1，上游基本重量污染度为3 mg/L；
　　--试验条件2，上游基本重量污染度为10 mg/L；
　　--试验条件3，上游基本重量污染度为15 mg/L。

Scope

This standard stipulates the following contents: a) Multi-pass filtration performance test of hydraulic transmission filter elements under the condition of continuous injection of pollutants; b) Procedures for determining dirt holding capacity, particle removal and differential pressure characteristics; c) Currently applicable to hydraulic transmission Filter test. This filter element has an average filtration ratio greater than or equal to 75 for particles with a size less than or equal to 25 μm (c), and the fuel tank weight pollution degree at the end of the test is less than 200 mg/L; d) use ISO intermediate test powder and the provisions of Appendix A The test carried out with the test oil. This standard is applicable to the following three test conditions: --Test condition 1, the upstream basis weight pollution degree is 3 mg/L; --Test condition 2, the upstream basis weight pollution degree is 10 mg/L; --Test condition 3, The upstream basis weight contamination level was 15 mg/L.