 Easy Installation  nearly no maintenance : up to 3 years' operation without requiring any maintenance  accurate ball-bearing guiding |
ELECTRICALLY DRIVEN STOPPER Electric servo-actuator DEM Stopper-rod mechanism MQS 20 years' experience 440 DEM installed During the 60's, the first pouring machine with stopper flow control was developed and commissioned. That system, which was revolutionary at the time, was used to make the first 'optimal' pouring. Today, the production quality requirements have grown dramatically more demanding and the traditional stopper driving systems cannot match the new demands. That is why SERT developed around the mid-90's a new stopper driving system (consisting of stopper mechanism MQS and electric servo-actuator DEM) which meets the expectations of the founders and of automatic pouring : The very advanced technology of SERT stopper driving system provides :
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