This product is a device specially used for needle valve type hot runner injection molding system. By detecting the mold closing signal of the injection molding machine, it can adjust the delay locking and injection according to the customer's needs for mold injection, and close the needle valve at different time periods. It can also accurately open and close the valve pin of the pneumatic needle valve hot nozzle to achieve the purpose of making the injection molded product without bonding lines.
