| Code ISO 4406 | Number of Particles/100ml | NAS 1638 | |||
|---|---|---|---|---|---|
| >4μm | >6μm | >14μm | |||
| 23/21/18 22/20/18 22/20/17 |
8,000,000 4,000,000 4,000,000 |
2,000,000 1,000,000 1,000,000 |
250,000 250,000 130,000 |
12 - 11 |
Very Contaminated - Breakdowns Inescapable |
| 22/20/16 21/19/16 20/18/15 |
4,000,000 2,000,000 1,000,000 |
1,000,000 500,000 250,000 |
64,000 64,000 32,000 |
- 10 9 |
|
| 19/17/14 18/16/13 |
500,000 250,000 |
130,000 64,000 |
16,000 8,000 |
8 7 |
Minimum required cleanliness class for high pressure - servo valve hydraulic systems, new/fresh oil DIN51524 |
| 17/15/12 16/14/12 |
130,000 64,000 |
32,000 16,000 |
4,000 4,000 |
6 - |
|
| 16/14/11 15/13/10 14/12/9 13/11/8 |
64,000 32,000 16,000 8,000 |
16,000 8,000 4,000 2,000 |
2,000 1,000 500 250 |
5 4 3 2 |
(ACHIEVABLE) Results After CARDEV Microfiltration |
| 12/10/8 12/10/7 12/10/6 |
4,000 4,000 4,000 |
1,000 1,000 1,000 |
250 130 64 |
- 1 - |
|
Understanding Oil Cleanliness
100-times magnified, 1 scale mark = 10μm
NAS Class 3
NAS Class 8
NAS Class 12
CARDEV Systems
Products that can achieve results that are
“Cleaner Than New”
ByPass Filtration Systems
Permanently installed bypass filtration using the flow and pressure of the system that is being filtered. All CARDEV bypass filtration is covered by our lifetime warranty*
Mobile Offline Filtration Systems
Mobile or permanently installed offline filtration systems that work independently of the system being filtered, using integrated pumps to provide pressure and flow.
