Solenoid Valve

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1. To make an effective use of the wet type solenoid valve, connect the pipe so that the T(R) port is always filled with oil. Do not plug the T(R) port.
2. Take appropriate measures to ensure that abnormal surge pressure in excess of the maximum permissible backpressure does not occur to the T(R) port.
3. Please note that the maximum flow rate is subjected to restriction when you use a four-way valve as a two-way or one-way valve by blocking each port.
4. Keep the hydraulic oil clean at all times.
   (Level of contamination: equal to or better than NAS 12 class)
5. Use the petroleum based hydraulic oil conforming to Class 1 or 2 according to JIS K2213.
6. Water or glycol based hydraulic oil can be used for the standard valve. In this case, pressure must not exceed 31.5 MPa; further the flow rate must not exceed 80% of the maximum flow rate. If you want to use other flame resistant hydraulic oil, please contact us for detailed information and precautions.
7. Take care that the permissible voltage range is not exceeded.
8. Turn on the AC solenoid after you have installed the coil on the valve.
9. Connect a drain pipe to the T(R) port of the valve for operation symbols 2X, H2X and E2X.
10. If the product is kept at the switched position for a long time at a high pressure, operation failure may occur due to sticking of fluid. When it must be kept at the switched position for a long time at a high pressure, contact us for further information.
11. When you use a detent type valve (E2X, E3X, E3Z), keep power turned on in order to keep the switched position without fail.
12. It should be noted that the manual pin operating force is changed by tank line back pressure.
13. If you use the valve with power kept turned on, the coil surface temperature will rise. So determine the valve installation position to ensure that your hand will not touch the heated position.