1, door installation can be connected with flange and exergy embedded plate welding, or pouring two times
2, in the process of using the door, it can change the proportion of the door page by the way of water injection or water drainage to the sealing cavity of the door page, so as to achieve the best opening effect.
3, the door is installed, and the clearance between the portal page about 3mm is a normal phenomenon, a door leaf under reverse pressure when certain gap will decrease and disappear.
4, the door should be used in the process of maintaining its flow channel, the ring is not blocked by stones, branches and other debris, thereby affecting the sealing effect.
5, always clean up the door below the sediment sand pool, keep the door hinge support ears, good lubrication and flexible open.