1. Valve in the open state there are two ways to close the valve: To provide a solenoid coil(About 1 second)Instantaneous direct current pulse(DC 9~12V) electric energy,Valve is quickly closed;
Open the protective cover,Hand press down the red handle can also be turned off valve. Off valve after the state self maintained. be careful:Normally it is not suitable to open the protective cover,So as to avoid the wrong operation off valve.
2. There is only one way to open the valve when the valve is closed.:Pull the red handle manually,Open valve. Open valve state can be maintained. be careful:Open valve,As the handle to lift the trouble,Measures should be taken to make both ends of the valve inlet and outlet pressure balance,Balance valve open. Avoid barbaric operation,In order to avoid damage to the valve actuator.
3. Valve in the open state:Due to the principle of magnetic lock design,Therefore, when the valve in the event of a strong shock,Valve may be automatically closed, Under normal conditions. If the open valve self locking force is not normal(Too small),Manufacturers should be notified maintenance.
4. When the valve is cut off,Must be confirmed on the spot,To eliminate the hidden trouble of the accident can be manually reset,Recovery ventilation.
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