Must inspect the valves cave and sealing surface before installation. Not allowed the dirt or sand attachment.

2. Bolts connect with every position should be uniform tightened.

3. Check the packing assembly, packing sealing as well as the flexible of disc opening should be garanteed.

4. Before installation, users must collate the valve model, connecting size and the flow of medium. Ensure consistency with the requirements of the valve.

5. Before installation, users must set aside the requisite space for vales driving.

6. The wiring of the driving accord to circuit diagram.

7.Knife gate valve must have periodic maintenance. Do not allowed the collision and compression to influence the sealing.

Ball valve