The piston in the NG-SHM Class DP – Servo Hydraulic Testing Machine is made from alloy steel, a material chosen for its high hardness and exceptional abrasion resistance. This construction offers a significant benefit in terms of durability, as it allows the piston to withstand the continuous mechanical stress and friction generated during high-force testing procedures without wearing down quickly or losing its shape.

The high hardness of alloy steel ensures that the piston maintains its structural integrity through extended use, contributing to consistent performance and minimizing the need for replacement or repair. Its abrasion resistance also protects against surface damage from hydraulic fluid movement and pressure cycles, which helps preserve sealing effectiveness and pressure stability. These qualities are especially important in environments where the machine is used intensively, as they enhance reliability, support accurate testing, and reduce overall maintenance costs.

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