贺德克滤芯采用德国进口过滤玻纤材料加工，技标如下：
材料代号G，E 滤芯压塌、破裂耐受力按照ISO 2941：30bar 210bar(仅用材料代号H，F 滤芯压塌、破裂耐受力按照ISO 2941： 于高压过滤器) HYDAC贺德克滤芯
HYDAC贺德克滤芯0030D020P，0030D025W，0030D010BN，0030D05BN/HC,0030D003BN3HC，0060D020P，0060D025W，0060D010BN，0060D005BN/HC，0060D003BN3HC，0110D020P，0110D025W 01100D010BN，0110D005BN/HC，0110D003BN3HC，0140D020P,0140D025W，01400D010BN，0140D005BN/HC，0140D003BN3HC,0160D020P，0030R020P，0030R025W，0030R010BN 0030R5BN/HC，贺德克滤芯0030R03BN3HC，0060R20P，0060R25W，0060R10BN,0060R05BN/HC，0060R03BN3HC，0110R20P，0110R25W，0110R010BN,0110R05BN/HC，0110R03BN3HC，0160R020P，0160R025W，0160R010BN，0160R005BN/HC，0160R003BN3HC，0240R020P，0160D025W，01600D010BN，0160D005BN/HC，0160D003BN3HC,0240D020P，0240D025W，02400D010BN，0240D005BN/HC,0240D003BN3HC，0280D020P，0280D025W，02800D010BN，0280D005BN/HC，0280D003BN3HC，0330D020P，0330D025W,03300D010BN，0330D005BN/HC，0330D003BN3HC，0480D020P,0480D025W，04800D010BN，0480D005BN/HC，0480D003BN3HC, 贺德克滤芯0500D020P，0500D025W，05000D010BN，0500D005BN/HC,0500D003BN3HC，0660D020P，0660D025W，06600D010BN 0660D005BN/HC，0660D003BN3HC，0990D020P，0990D025W,09900D010BN，0990D005BN/HC，0990D003BN3HC，0240R025W,0240R010BN，0240R005BN/HC，0240R003BN3HC，0330R020P,0330R025W，贺德克滤芯0330RD010BN，0330R005BN/HC，0330R003BN3HC,0660R020P，0660R025W，0600R010BN，0660R005BN/HC 0660R003BN3HC，0850R020P，0850R025W，0850R010BN，0850R005BN/HC，0850R003BN3HC，0950R020P，0950R025W,0950RD010BN，0950R005BN/HC，0950R003BN3HC,1300R020P，1300R025W，1300R010BN，1300R005BN/HC,1300R003BN3HC，1320R020P，1320R025W，1320R010BN,1320R005BN/HC，1320R003BN3HC，1700R20P，1700R025W 1700R010BN，1700R005BN/HC，1700R003BN3HC,2600R020P，2600R025W，2600R010BN，2600R005BN/HC,2600R003BN3HC替代进口HYDAC系列滤清器如下：0060D003BHHC　 0060D003BN3HC　 0060D003BNHC　 0060D005BHHC　 0060D005BN3HC 0060D005BNHC 0060D010BH3HC 0060D010BHHC　 0060D010BN3HC 0060D010BNHC 0060D020BHHC 0060D020BN3HC 0060D020BNHC 0060D005BH3HC 0060D020BH3HC 0060D020BH3HCV 0060D003BHHC 0060D003BNHC 0060D005BHHC 0060D005BNHC 0060D010BHHC 0060D010BNHC 0060D020BHHC 0060D020BNHC 0110D003BH3HC 0110D003BH3HCV 0110D003BHHC 0110D003BN3HC 0110D003BNHC 0110D003BNHCV 0110D005BHHC 0110D005BHHCV 0110D005BN3HC 0110D005BNHC 0110D010BH3HC 0110D010BHHC 0110D010BN3HC 0110D010BNHC 0110D020BHHC 0110D020BN3HC 0110D020BNHC 0110D005BH3HC 0110D020BH3HC 0160D003BH3HC 0160D003BHHC 0160D003BN3HC 0160D003BNHC 0160D005BH3HC 0160D005BHHC 0160D005BN3HC 0160D005BNHC 0160D010BH3HC 0160D010BHHC 0160D010BN3HC 0160D010BNHC 0160D020BH3HC 0160D020BHHC 0160D020BN3HC 0160D020BNHC 0160MA003BN 0160MA005BN 0160MA010BN 0160MA020BN 0180MA003BN 0180MA005BN 0180MA010BN 0180MA020BN 02055751 02055907 02060838 2059434 2059435 2059436 　2059437 2059438 2060608 2062446 　2063951 0240D003BN3HC 0240D003BN3HCV 0240D003BNHC 0240D005BN3HC 0240D005BNHC 0240D010BN3HC 0240D010BNHC 0240D020BN3HC 0240D020BNHC 0330D005BHHC 0330D020BHHC 0330D003BHHC 0330D003BN3HC 0330D003BNHC 0330D005BN3HC 0330D005BNHC 0330D010BHHC 0330D010BNHC 0330D020BN3HC 0330D020BNHC 0660D005BHHC 0660D010BHHC 0660D020BHHC 0660D003BHHC 0660D003BN3HC 0660D003BNHC 0660D005BN3HC 0660D005BNHC 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一、用环氧树脂成形的无机纤维
二、纳污量大
三、具有三维迷宫式构造，深度过滤，对于细微的颗粒有很高的分离度
四、有优异的价格/性能比
我公司滤芯依照下述国际标准检验：
一、ISO 2943 与液压介质的相容性
二、ISO 3968 流量特性曲线
三、ISO/DIS 3724 流通疲劳强度
四、ISO/DIS 4572 多次通过试验
五、ISO 2942 质量保证（气泡试验）
六、ISO 3723 端盖负载试验
七、ISO 2941 破裂试验
滤芯的评定：
评定过滤器的最重要的准则是β值。此值是按照国际标准ISO/DIS 4572用所谓多次通过试验来测得的。
定义： β值是指上游液体中大于给定尺寸x的颗粒数与下游液体中大于相同的给定尺寸x的颗粒数的比值。
Nv Nv=过滤前的尺寸大于x的颗粒数
βx= Nh=过滤后的尺寸大于x的颗粒数
Nh X=颗粒尺寸
根据β值的定义可以很容易地推导出一个公式，用此公式可以求得某种滤材分离大于一定尺寸的颗粒的效率： β值/过滤效率比值
βx-1 β值 过滤效率
Ex= *100 Ex=效率% 1 0，00%
Βx 2 50，00%
示例：颗粒度 10μm 20 95，00%
9360 208-1 50 98，00%
β10= =208 E10= *100=***% 75 98，67%
45 208 100 99，00%
所有海德克玻璃纤维滤芯其名义过滤精度的β值均大于200。 200 99，50%
1．000 99，90%
10．000 99，99%
过滤器最佳规格的确定
在进行计算之前，首先要了解下述参数：
一、 要求滤器达到的最大流量Q已知（升/分钟）
二、 工作介质的运动粘度υ已知（mm2/S或cSt）
三、 工作介质的密度ρ
四、 过滤精度μm
五、 滤材
最终目的是要选择一个合适的滤器，其自身的总压差ΔΡ总在洁净状态下对于高压过滤器不应大于ΔΡ最大=***,对于回油过滤器不应大于ΔΡ最大=***。这个极限值可以保证滤器在实际使用中达到流量及寿命的最佳化。
与滤器规格相关的额定流量很重要。在选择滤器时，它应比实际上已知的流量大一些：
Q额定>Q已知
现在就可以检查一下，预选的滤器是否能满足实际要求：ΔΡ总≤***(高压过滤器)以及
ΔΡ总≤***(回油过滤器);理论上的总压差ΔΡ总为空滤壳的压差和滤芯的压差之和。此时要注意工作介质的运动粘度和密度，因为后面所列的流量曲线是依据运动粘度ν=30cSt以及密度ρ=***3测得的。下面是近似计算总压差的公式，只需将运动粘度cSt以及密度kg/dm3的数值填进去即可：
Ρ Ρ υ
ΔΡ总= 。ΔΡ滤壳+ . . ΔΡ滤芯
0．86 *** 30
如果ΔΡ总<ΔΡ最大的条件得到满足,则表示已选择到合适的滤器规格。但是，若ΔΡ总>
ΔΡ最大，则要用下一个较大规格的滤器来重新进行计算，直至上述条件得到满足。
下面用两个计算示例来具体说明。
示例一：回油过滤器的选择
在一台液压设备里，回流的油要用一个滤纸做滤芯的回油过滤器过滤。
注意：若在液压设备里有差动油缸或蓄能器工作，其最大回流量会超过泵送量的好几倍。我们要以这种回流量作为计算的立足点。
已知：Q已知=90升/分钟 ν已知=32cSt ρ=***; 过滤精度20μm
预选:规格RF030,Q额定=110升/分钟>Q已知
根据流量曲线图求得在额定粘度为30cSt时的压力损失:
ΔΡ滤壳=*** ΔΡ滤芯=***
求得实际上的压力损失为: *** *** 32
ΔΡ总= ?***+ ? ?***
*** *** 30

ΔΡ总=***<ΔΡ最大=***
此滤器在洁净状态下满足了ΔΡ总≤ΔΡ最大=***的条件,故已选择到合适的规格,没有必要进一步计算。

本公司经营贺德克滤芯，质量保证，欢迎咨询洽谈。