Fourth, sealing requirements
1. The way and shape of the seal are in accordance with the contractual requirements of both parties.
2. The height of the sealing part meets the contractual requirements of both parties.
3, sealing center, straight, left and right deviation ≤ 1mm.
4, sealing firmness:
Load the water of the specified capacity and place it between the upper and lower plates. The cover part should be moved out of the plate. In the middle of the upper plate, pressurize to 10kg and keep it for 5min. There is no burst or leakage of liquid at the tail.
Apply a pressure of 0.15 MPa to the hose with a pneumatic gun for 3 seconds. No explosive tail.