As shown in the figure below standard water pressure 0.7Mpa plastic PP products, from the end cover and cylinder body, the use of screw tightening, end seal. Is the O ring reliable, or is the gasket reliable, or any other sealing structure? The end cover needs to be removed and replaced during maintenance
Respectively, O ring and washer installed in two products, after a period of time, you will know the effect, this method is stupid point.
The O ring can be used in general design, and gaskets are recommended in view of the need for disassembly
The O ring is reliable because the elasticity of the O ring is better than that of the washer, and the elastic is missing after being pressed many times, and the frequency of replacement is high.
O ring is generally good. But in your drawing, the sealing ring is easy to damage, and you need to put on the washer. Change the position, in front of the thread.
