武穴黎翔機電設(shè)備有限公司，詢價聯(lián)系人：何女士
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現(xiàn)貨特價型號：R900925687 4WRAE10W1-30-22/G24N9K31/F1V 2臺
0811402141 DBETBEX-1X/315G24K31F1M 2臺
D634-371C R24K02MONSS2 3臺
DG4V-3-6C-M-U-H7-60 10臺
DG4V-3-2N-M-U-H7-60 15臺
DG4V-3-2A-M-U-H7-60 10臺
H-507848 30只
3DR16P5-5X/100Y/00M 1臺 液壓閥及其他所有液壓元件和系統(tǒng)所用的密封件，都是為了防止油液不應(yīng)有的外泄漏。密封材料的選擇，根據(jù)所用工作油液的不同而應(yīng)有所不同。如采用丁晴橡膠材料的密封件，用礦物油型油液就能很好適應(yīng)，而用磷酸酯抗燃液壓油時，就會使密封件受到腐蝕。腐蝕現(xiàn)象有二種情況；一是使密封材料產(chǎn)生溶脹，軟化，二是使密封材料硬化。其結(jié)果都使密封件失去密封性能，造成大量外泄漏，使液壓系統(tǒng)效率降低，甚至發(fā)生故障不能工作。SV1-10-3-0-00 SV13-12-CM-0-24DGH
SV1-10-3-0-12DG
SV1-10-3-0-24DG
SV1-10-3-3G-115AG
SV1-10-4-0-00
SV1-10-4-0-12DG
SV1-10-4-0-24BN
SV1-10-4-0-24DG
SV1-10-4-0-28BN
SV1-10-4M-0-00
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SV1-10-C-0-00
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SV1-10-C-0-12DG
SV1-10-C-0-230AG
SV1-10-C-0-24DG
SV1-10-CM-0-00
SV1-10V-3-0-00
SV1-10V-C-0-00
SV11-10-3-0-00
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SV11-10-3-0-24DGH
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SV1-16-CM-0-00
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SV11-8-4-0-00
SV11-8-4-0-00-03
SV11-8-4M-0-00
SV11-8-4-S3G-P24DG
SV11A-10N-3P-0-00-00
SV12-10-4-0-00
SV12-10-C-0-00 SV13-12-CM-0-24DGH
SV12-8-4-0-00
SV13-10-0-0-00
SV13-10-0-0-00-01
SV13-10-0-0-12-DNH
SV13-10-0-0-24-DGH
SV13-10-0P-0-00
SV13-10-0S-0-00
SV13-10-0-S-0-24DGH
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SV13-10-C-0-00
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SV13-12-0-0-12DNH
SV13-12-0-0-240AGH
SV13-12-0-0-24DGH
SV13-12-0P-0-00
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SV1A-12-3P-0-00
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SV2-8-4M-0-24DGS
液壓閥及所有液壓元件的高精度和高光潔度的金屬零件，在長期工作中，由于水分與空氣的共同作用，將會發(fā)生銹蝕。銹蝕掉的顆粒隨油液循環(huán)，進一步造成零件的磨損，并加快零件的氧化，以至損壞元件，嚴(yán)重影響液壓系統(tǒng)的正常工作。
為此，工作油液應(yīng)含有各種防腐劑，以使其有足夠的防腐性能。
(四)良好的消泡性能
由于溢流閥溢油口的急速溢油以及系統(tǒng)回油管道的回油沖入油池，都可能使油液產(chǎn)生氣泡，混入空氣。這將造成執(zhí)行機構(gòu)運動的不平穩(wěn)，甚至引起振動和噪聲。
另外，由于空氣的混入，在高壓下使空氣溶解到油液中；在負(fù)壓下空氣又從油液中析出，使油液的體積變化很大。這對系統(tǒng)工作壓力變化很大的高壓液壓系統(tǒng)，或控制精度要求很高的液壓伺服系統(tǒng)，將會造成工作的不平穩(wěn)和動力傳遞的滯后現(xiàn)象，影響執(zhí)行機構(gòu)工作的可靠性和準(zhǔn)確性。
因此，要求油液中含有有效的消泡劑，使其有良好的消除汽泡、釋放空氣的性能。
(五)良好的抗乳化性能
液壓系統(tǒng)由于管道維護不善等原因，使冷卻水、冷凝水混入油液中，生成乳化液，引起油液變質(zhì)，降低了油液的潤滑性和防銹性，使元件的滑動部位產(chǎn)生早期磨損，影響元件的使用壽命，也影響了油液的使用壽命。因此，要求油液對水有良好的分離性能，提高其抗乳化特性。從頭部小孔捅入，使其彈回。根本的解決方法是要將電磁閥拆下，取出閥芯及閥芯套，用CCI4清洗，使得閥芯在閥套內(nèi)動作靈活。拆卸時應(yīng)注意各部件的裝配順序及外部接線位置，以便重新裝配及接線正確，還要檢查油霧器噴油孔是否堵塞，潤滑油是否足夠。
（4）漏氣。漏氣會造成空氣壓力不足，使得強制閥的啟閉困難，原因是密封墊片損壞或滑閥磨損而造成幾個空腔竄氣。
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(六)良好的抗氧化性能
油液由于長期與空氣接觸，在空氣中氧的作用下，使油液氧化，變質(zhì)。結(jié)果是粘度和酸值增加，生成油泥和沉淀物。特別是在高溫工作狀態(tài)或有鋼、鋅、鋁等有色金屬存在的情況下，更為嚴(yán)重。這將造成過濾器堵塞，液壓閥及其他元件滑動部分的粘附，間隙的堵塞，零件的磨損，影響系統(tǒng)的正常工作，更影響油液的使用壽命。因此，必須加入各種氧化安定劑，以提高油液的抗氧化性能。
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DG4V-5-2A-M-U-H6-20
DG4V-5-2C-M-U-H6-20
DG4V-3-6A-M-U-H7-20
DG4V-3-2C-M-U-H7-60
DG4V-5-6C-M-U-H6-20
DG4V-3-2AL-M-U-H7-60
DG4V-3-2A-M-U-H7-60
DG4V-3-2C-M-U-H7-60
DG4V-3S-0B-M-U-H5-60
DG4V-5-6CJ-M-U-H6-20
DG4V-5-2CJ-M-U-H6-20
