An Extension Spring is a type of mechanical spring that is used in the pump pressure control valve. In a pump pressure control valve, the feedback lever is used to provide feedback to the pump about the position of the valve spool. The Extension Spring is used to hold the feedback lever in place, ensuring that it maintains a consistent position.Attributes:• Provides flexibility, enables it to stretch and absorb varying degrees of force• Designed to be strong and resilient, ensuring that it can maintain its tension and compressionApplications:An Extension Spring is used to provide flexibility and maintain the accurate position of the feedback leaver in the pump pressure control valve.