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Overload Protector is equipped in Press machine to check hydraulic pressure of cylinder inside the slider. - details see: https://www.machineto.com/overload-protector-spring-10062709

Overload Protector is equipped in Press machine to check hydraulic pressure of cylinder inside the slider. If happen overload, the hydraulic pressure of cylinder will be released immediately within 3/1000 seconds. It has pressure control valve inside of overload protector, which can adjust hydraulic pressure automatically and eliminate the impact of rising pressure (which cause by oil temperature rise) in pressing process.