Sequencer Controls Speed of Valve-Gate Pin

The Smart Gate valve-gate sequencer from Plastic Engineering & Technical Services is designed to independently control the opening and closing velocity of each valve-gate pin by controlling the flow of hydraulic oil to the valve-gate cylinder.

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The Smart Gate valve-gate sequencer from Plastic Engineering & Technical Services is designed to independently control the opening and closing velocity of each valve-gate pin by controlling the flow of hydraulic oil to the valve-gate cylinder. By slowly opening the valve-gate pin, the sequencer prevents lines from big pressure drops, as well as direct-gate blemishes, from forming on the part, the company says. 

The device offers a larger process window and touchscreen control. It can be moved from press to press and used with virtually any valve-gated hot runner system, eliminating the need for added controls on each hot runner system.