德国HYDAC贺德克滤芯特点：1、分高压段用、中压段用、回油段用和吸油段用2、分高中低精度等。2—5um为高精度，10—15um为中等精度，15—25um为低精度。
3、为压缩滤芯成品外形尺寸，增大过滤面积，般滤层部分折成波纹状，液压滤芯打褶高度般在20㎜以下4、液压滤芯承受压差般在0.35—0.4MPa，但个别特殊滤芯，要求承受高压差，高要求承受32MPa，甚至42MPa等同系统压力。
5、高承受温度，有的要求达到135℃贺德克滤芯是风电涡轮机用滤芯，该滤芯采用内外双层滤芯精铸而成，进口玻璃纤维滤材能够有效保证风电贺德克滤芯的过滤精度，内置滤芯采用不锈钢金属网构成，当压力过大造成旁路通油时，可二次清洁油液中的颗粒杂质，另外，当油液回流时，贺德克滤芯的内置滤芯不仅在充当了骨架的作用，而且能够有效过滤液压油中的杂质。
煜炜生产的风电贺德克滤芯贺德克滤芯制作工艺要求严格，滤芯内骨架厚度为3mm,完全能够达到系统所需压力要求，另外，经现场检测，使用风电贺德克滤芯过滤后，油液的清洁度达可到NAS-8
风电用滤芯型号推荐：
2600R010BN4HC/-B4-KE50贺德克滤芯
风电用贺德克滤芯2600R015BN4HC/-B4-KE50
2600R020BN4HC/-B4-KE50
2600R005BN4HC/-B4-KE50
2600R003BN4HC/-B4-KE50
2600R020BN3HC/-B4-KE50
涡轮机用贺德克滤芯2600R005BN3HC/-B4-KE50
2600R003N3HC/-B4-KE50
1300R010BN3HC/-B4-KE50贺德克滤芯
1300R005BN4HC/-B4-KE50
1300R020BN4HC/-B4-KE50
HC8300FKS39H-YC（FD70B-602000A016）
HC8300FKP39H-YC
HC8300FKN39H-YC
1300R020BN3HC/-B4-KE50
1300R015BN3HC/-B4-KE50
1300R003BN3HC/-B4-KE50
1300R005BN3HC/-B4-KE50
1300R015BN4HC/-B4-KE50
HC8300FKT39H-YC
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