What should be paid attention to hydraulic valve of the aluminum profile extrusion machine?
As for what should be paid attention to during assembly, the summary is as follows:
1. The sealing ring must be selected correctly, including type and size;
2. The assembly must be clean and not pollute the valve body;
3. The direction of the sealing ring must be correct;
4. The sealing ring when assembling, it should be placed flat, that is, it cannot be installed sideways.