It is a hot runner air hydraulic valve system with manifold and the fixed parts like a main nozzle, four nozzles and a cylinder; the main nozzle connect with manifold, the manifold connect with nozzle, the four nozzles install in a straight line on the manifold. The oil cylinder install on the manifold, the pull rod is installed on the piston rod, through a pull rod pull four valve pins in the nozzle moving back and forth to do a cylinder control four valve pins for plastic filling.

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