本厂专业生产TAISEIKOGYO，产品样本标牌上标注的是名义精度，而不是绝对过滤精度，只有经过实验测试的β值才能表示滤芯的过滤能力。在选用滤芯时可选用原装件，也可选用第二品牌。要对所选的滤芯进行验收，检验它是否符合其应具有的性能指标。
1. 过滤精度:首先，根据液压系统的需要确定用污渍的清洁度等级，在根据此清洁度等级按附表选择滤油器的过滤精度。 替代件号：
PFSH38C PFSH38CH PFSH410UW PFSH4100W PFSH410U PFSH4200W PFSH420UW PFSH430M PFSH43MH PFSH460W PFSH40M PFSH46MH PFSH48C PFSH48CH PFSH510U PFSH520W PFSH520UW PFSH53M PFSH53MH PFSH560W PFSH56M PFSH56MH PFSH58C PFSH58CH PFSH6100W PFSH6100 PFSH610UW PFSH6200W PFSH6200 PFSH63M PFSH660W PFSH66M PFSH66MH PFSH68C PFSH68CH PG351A03100W PG351A04100W PG351A03100W PG351A0620U PG351A1210U PG351A0640U PG351A0820U PG351A0840U PGFA0638C PGFA03310U PGFA0338C PGFA0633M PGUH08A100W PGUH06A100W PGUH06A3M PGUL04A10U
