Safety valve action is not flexible refers to the safety valve open, back seat when the action is not flexible, clear or open back seat and other phenomena. The main reason is that:
1.Bumps, napping, rust or burr defect 1, moving parts, assembly and not promptly removed, resulting in emissions between the components of the jamming phenomenon.
2. Piping or equipment in the dirt such as welding slag, rust, etc. with the safety valve row release media rushed to the clearance between moving parts causing movement between the jamming.
3. The safety valve in the long run has not been action, and not for regular inspection, repair and cause rust and corrosion between the valve moving parts caused by.
