WS-series
Features:
This separates is composed of suction-strainer, Trochoid pump, Pre-filtration element which removes soft agents such as contaminants and depleted agents as well as makes water particles aggregate together, and Water Separation filter inserted in WS housing. The lower part of WS housing is made of clear acrylic resin, so that you can observe the water separation degree at a glance. The drain valve affixed on WS housing is to drain the separated water. |
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Specification / Diagram
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Above mentioned model are our standard models. |
Water Separation Efficiency of WS-WD
Example: The contamination with grinding water and sludge is observed in hydraulic oil at the grinder.
Sampling date |
12 Dec. 1997 |
22 Dec. 1997 |
07 Jan. 1998 |
27 Jan. 1998 |
NAS grade |
over 12 |
over 12 |
over 12 |
5 |
W.C.D. |
2.6 |
1.3 |
0.6 |
0.5 |
Moisture |
7,538 |
8,082 |
664 |
143 |
K. Viscosity |
32.23 |
31.16 |
31.85 |
31.76 |
T. A. N. |
0.54 |
0.42 |
0.41 |
0.40 |
<tr
Parenthetically, the reason why NAS grade before 27 Jan. 1998 was as bad as over12 is that a particle counter (analysis equipment) counted extremely many water particles. |