The Atos KG-031/100 is a premium modular (sandwich/stack-type) hydraulic pressure relief valve designed to deliver precise pressure control in demanding fluid power systems. As part of the Series 21 lineup, this valve is equipped with a manual pressure adjustment screw and a secure lock nut, allowing operators to accurately regulate system pressure up to 100 bar. Engineered to meet international standards, it features a standard ISO 4401 sandwich interface with a TA, A, P, B, TB modular porting pattern for seamless integration into existing hydraulic circuits. Manufactured in Italy, the Atos KG-031/100 ensures exceptional durability, rapid response, and long-lasting reliability for industrial hydraulic applications.