Dual Station Boxing Machine,Large Infusion Dual Station Boxing Machine,Foam Holders Dual Station Boxing Machine, Automatic Vacuum Packing Line Wenzhou Selection Technology Co., Ltd. , https://www.zj-packaging.comSolenoid valve installation points: - Solenoid valve installed before the instructions should be checked according to the resistance between the coil and the valve body, should be simulated action test. - Solenoid valve diameter and pipe diameter are inconsistent, should be reduced diameter pipe, solenoid valve diameter generally should not be lower than the pipe diameter of two levels.