New HRScool technology from hot-runner supplier HRSflow can reportedly eliminate the need for water cooling of valve-gate actuators. HRScool is available for cylinders on manifolds for the company's P, M and G series. Insulation of the support columns, which also have minimal surface contact, reduces heat transfer from the manifold. By using only the supporting pillars as contact points in an integrated telescopic design, the system minimizes the amount of heat transferred from the manifold heater to the cylinder body.
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