液压解答及常见故障排除
液压油清洁度 ISO标准及NAS 1638标准对照表
ISO Code
NAS 1638
19/16
10
18/15
9
17/14
8
16/13
7
15/12
6
14/12
14/11
5
13/10
4
12/9
3
11/8
2
10/8
10/7
1
10/6
9/6
0
ISO 4406 清洁度标准
颗粒 > 5 μ 颗粒 > 15 μ
ISO 等级
100 CC 液压油
8,000,000
16,000,000
24
4,000,000
8,000,000
23
2,000,000
4,000,000
22
1,000,000
2,000,000
21
500,000
1,000,000
20
250,000
500,000
19
130,000
250,000
18
64,000
130,000
17
32,000
64,000
16
16,000
32,000
15
8,000
16,000
14
4,000
8,000
13
2,000
4,000
12
1,000
2,000
11
500
1,000
10
250
500
9
130
250
8
64
130
7
32
64
6
16
32
5
8
16
4
4
8
3
2
4
2
1
2
1