77
As a policy of continual improvement, RMF reserves the right to alter the specification without prior notice.
201.028 REV 1
Date of Issue: 18 June 2018
Size Range
μm(c):
>4
>6
>14
>21
>38
>70
Size Code
A
B
C
D
E
F
Class
000
195
76
14
3
1
0
00
390
152
27
5
1
0
0
780
304
54
10
2
0
1
1560
609
109
20
4
1
2
3120
1217
217
39
7
1
3
6250
2432
432
76
13
2
4
1500
4864
864
152
26
4
5
25000
9731
1731
306
53
8
6
50000
19462
3462
612
106
16
7
100000
38924
6924
1224
212
32
8
200000
77849
13849
2449
424
64
9
400000
155698
27698
4898
848
128
10
800000
311396
55396
9796
1696
256
11
1600000
622792
110792
19592
3392
512
12
3200000
1245584
221584
39184
6784
1024
Table 11.3 AS4059E Table2 Cleanliness Classes for Cumulative Particle Counts
11.7 Recommendations
Unit
Type
ISO 4406:1999 Code
Pump
Piston (slow speed, in-line)
Piston (high speed, variable)
Gear
Vane
22/20/16
17/15/13
19/17/15
18/16/14
Motor
Axial Piston
Radial Piston
Gear
Vane
18/16/13
19/17/13
20/18/15
19/17/14
Valve
Directional (solenoid)
Pressure Control (modulating)
Flow Control
Check Valve
Cartridge Valve
Proportional
Servo-valve
20/18/15
19/17/14
19/17/14
20/18/15
20/18/15
18/16/13
16/14/11
Actuator
20/18/15
Most component manufacturers know the proportionate effect that increased dirt level has on the performance
of their components and issue maximum permissible contamination levels. They state that operating components
on fluids which are cleaner than those stated will increase life. However, the diversity of hydraulic systems in
terms of pressure, duty cycles, environments, lubrication required, contaminant types, etc, makes it almost
impossible to predict the components service life over and above that which can be reasonably expected.
Содержание CMS 2
Страница 1: ...User Manual CMS2...