清洁度标准

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00330DG北京毕柯恩科技有限公司
油液的洁净度:
油液的洁净度----就是油液污染程度的定量描述。油液的洁净度的评定方法
油液中颗粒尺寸的分布:对数座标以对数/线性log/log2洁净度等级表示法:NAS1638SAE749DISO4406
NAS1638油液洁净度等级(100ml液压油液中颗粒数)
污染度等级000123456789101112
颗粒尺寸范围(μm5-1515-251252225044500891000178200035640007128000142516000285032000570064000114001280002280025600045600512000912001024000182400

SAE749D油液洁净度等级(计数法)
液压油污染等级试行标准(每100ml
尺寸范围污染等级
0123456μm
2.5-5待定5-1027004600970024000320008700012800010-2567013402080536010700214004200025-509321038078015103130650050-1001628561102254301000>10013511214192
*电力行业标准DL/T571-95SAE749D油液洁净度等级)
25-50
481632631262535061012202540508100162003240050-100123611224590180360720144028805760
>10000112481632641282565121024
7-10待定

00330DG北京毕柯恩科技有限公司
ISO油液洁净度等级颗粒数/ml大于小于(等于)80,000160,00040,00080,00020,00040,00010,00020,0005,00010,0002,5005,0001,3002,5006401,300320640160320801604080204010205102.551.32.50.641.30.320.640.160.320.080.160.040.080.020.040.010.02
R
浓度等级数
242322212019181716151413121110987654321

R5/15
1:大于5微米的颗粒浓度400/ml.
大于15微米的颗粒浓度65/ml.
ISO=16/13

2:大于5微米的颗粒浓度16,030/ml.
大于15微米的颗粒浓度2,490/ml.ISO=21/18

延展等级R2/R5/R15
3:大于2微米的颗粒浓度32,200/ml.
大于5微米的颗粒浓度16,030/ml.
大于15微米的颗粒浓度2,490/ml.
ISO=23/21/18


00330DG北京毕柯恩科技有限公司
洁净度等级对照表
ISO代码26/2325/2323/2021/1820/1820/1720/1619/1618/1517/1416/1315/1214/1214/1113/1012/911/810/810/710/69/68/57/56/35/22/0.8
每毫升颗粒数AC粉尘重量>10μm水平毫克/140.00085.00014.0004,5002,4002,3001,4001,200580280140704035149532.31.41.20.60.30.140.040.01
1.0001001010.10.010.001

MILSTDNAS1246A163819671964
1.000700125001110930087620054321001000502510
SAE
749等级
6543210

清洁度标准

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