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賀德克濾芯采用德國進口過濾玻纖材料加工，技標如下：
材料代號G，E 濾芯壓塌、破裂耐受力按照ISO 2941：30bar 210bar(僅用材料代號H，F(xiàn) 濾芯壓塌、破裂耐受力按照ISO 2941： 于高壓過濾器) HYDAC賀德克濾芯
HYDAC賀德克濾芯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，賀德克濾芯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, 賀德克濾芯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，賀德克濾芯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替代進口HYDAC系列濾清器如下：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 0660D010BN3HC 0660D010BNHC 0660D020BN3HC 0660D020BNHC H2K003BN H2K003BNV H2K005BN H2K005BNV H2K010BN H2K010BNV H2K020BN H2K020BNV H3K010BN3 H80204005BN H820013003BN H820013003BN3 H820013003BN3V H820013003BNV H820013005BN H820013005BN3 H820013005BN3V H820013005BNV H820013010BN H820013010BN3 H820013010BN3V H820013010BNV H820013020BN H820013020BN3 H820013020BN3V H820013020BNV H820016003BN H820016003BN3 H820016003BN3V H820016003BNV H820016005BN H820016005BN3 H820016005BN3V H820016005BNV H820016010BN H820016010BN3 H820016010BN3V H820016010BNV H820016020BN H820016020BN3 H820016020BN3V H820016020BNV H82008003BN H82008003BN3 H82008003BN3V H82008003BNV H82008005BN H82008005BN3 H82008005BN3V H82008005BNV H82008010BN H82008010BN3 H82008010BN3V H82008010BNV H82008020BN H82008020BN3 H82008020BN3V H82008020BNV H830016003BN H830016003BN3 H830016003BN3V H830016003BNV H830016005BN H830016005BN3 H830016005BN3V H830016005BNV H830016010BN H830016010BN3 H830016010BN3V H830016010BNV H830016020BN 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一、用環(huán)氧樹脂成形的無機纖維
二、納污量大
三、具有三維迷宮式構(gòu)造，深度過濾，對于細微的顆粒有很高的分離度
四、有優(yōu)異的價格/性能比
我公司濾芯依照下述國際標準檢驗：
一、ISO 2943 與液壓介質(zhì)的相容性
二、ISO 3968 流量特性曲線
三、ISO/DIS 3724 流通疲勞強度
四、ISO/DIS 4572 多次通過試驗
五、ISO 2942 質(zhì)量保證（氣泡試驗）
六、ISO 3723 端蓋負載試驗
七、ISO 2941 破裂試驗
濾芯的評定：
評定過濾器的最重要的準則是β值。此值是按照國際標準ISO/DIS 4572用所謂多次通過試驗來測得的。
定義： β值是指上游液體中大于給定尺寸x的顆粒數(shù)與下游液體中大于相同的給定尺寸x的顆粒數(shù)的比值。
Nv Nv=過濾前的尺寸大于x的顆粒數(shù)
βx= Nh=過濾后的尺寸大于x的顆粒數(shù)
Nh X=顆粒尺寸
根據(jù)β值的定義可以很容易地推導出一個公式，用此公式可以求得某種濾材分離大于一定尺寸的顆粒的效率： β值/過濾效率比值
βx-1 β值 過濾效率
Ex= *100 Ex=效率% 1 0，00%
Βx 2 50，00%
示例：顆粒度 10μm 20 95，00%
9360 208-1 50 98，00%
β10= =208 E10= *100=***% 75 98，67%
45 208 100 99，00%
所有海德克玻璃纖維濾芯其名義過濾精度的β值均大于200。 200 99，50%
1．000 99，90%
10．000 99，99%
過濾器最佳規(guī)格的確定
在進行計算之前，首先要了解下述參數(shù)：
一、 要求濾器達到的最大流量Q已知（升/分鐘）
二、 工作介質(zhì)的運動粘度υ已知（mm2/S或cSt）
三、 工作介質(zhì)的密度ρ
四、 過濾精度μm
五、 濾材
最終目的是要選擇一個合適的濾器，其自身的總壓差ΔΡ總在潔凈狀態(tài)下對于高壓過濾器不應(yīng)大于ΔΡ最大=***,對于回油過濾器不應(yīng)大于ΔΡ最大=***。這個極限值可以保證濾器在實際使用中達到流量及壽命的最佳化。
與濾器規(guī)格相關(guān)的額定流量很重要。在選擇濾器時，它應(yīng)比實際上已知的流量大一些：
Q額定>Q已知
現(xiàn)在就可以檢查一下，預選的濾器是否能滿足實際要求：ΔΡ總≤***(高壓過濾器)以及
ΔΡ總≤***(回油過濾器);理論上的總壓差ΔΡ總為空濾殼的壓差和濾芯的壓差之和。此時要注意工作介質(zhì)的運動粘度和密度，因為后面所列的流量曲線是依據(jù)運動粘度ν=30cSt以及密度ρ=***3測得的。下面是近似計算總壓差的公式，只需將運動粘度cSt以及密度kg/dm3的數(shù)值填進去即可：
Ρ Ρ υ
ΔΡ總= 。ΔΡ濾殼+ . . ΔΡ濾芯
0．86 *** 30
如果ΔΡ總<ΔΡ最大的條件得到滿足,則表示已選擇到合適的濾器規(guī)格。但是，若ΔΡ總>
ΔΡ最大，則要用下一個較大規(guī)格的濾器來重新進行計算，直至上述條件得到滿足。
下面用兩個計算示例來具體說明。
示例一：回油過濾器的選擇
在一臺液壓設(shè)備里，回流的油要用一個濾紙做濾芯的回油過濾器過濾。
注意：若在液壓設(shè)備里有差動油缸或蓄能器工作，其最大回流量會超過泵送量的好幾倍。我們要以這種回流量作為計算的立足點。
已知：Q已知=90升/分鐘 ν已知=32cSt ρ=***; 過濾精度20μm
預選:規(guī)格RF030,Q額定=110升/分鐘>Q已知
根據(jù)流量曲線圖求得在額定粘度為30cSt時的壓力損失:
ΔΡ濾殼=*** ΔΡ濾芯=***
求得實際上的壓力損失為: *** *** 32
ΔΡ總= ?***+ ? ?***
*** *** 30

ΔΡ總=***<ΔΡ最大=***
此濾器在潔凈狀態(tài)下滿足了ΔΡ總≤ΔΡ最大=***的條件,故已選擇到合適的規(guī)格,沒有必要進一步計算。

本公司經(jīng)營賀德克濾芯，質(zhì)量保證，歡迎咨詢洽談。