Manual flap valve; Installation and usage:

1. Before installation, it is necessary to check the valve chamber and sealing surface, and no dirt or sand particles are allowed to adhere to them;

2. The bolts at each connection point should be tightened evenly;

3. Check the filling position for tightness, ensuring both the sealing of the filling and the flexibility of the gate opening;

4. Before installing the valve, users should check the valve model, connection size, and pay attention to the flow direction of the medium to ensure consistency with the valve requirements;

5. When installing valves, users should reserve space for valve actuation;

6. The wiring of the driving device must be carried out according to the circuit diagram;

7. The knife type gate valve should be regularly maintained and should not be bumped or squeezed at will to avoid affecting the sealing.