Matters needing attention in action time of solenoid valve

Action time: refers to the time when the electric signal is turned on or off to the completion of the main valve action. The solenoid valve can adjust the opening and closing time respectively, which can not only meet the control accuracy requirements, but also prevent water hammer damage. When the action frequency is high, the direct acting solenoid valve should be selected as the structure, and the AC power should be selected as the power supply. Strictly speaking, this test has not been formally listed in the standard of solenoid valve in China. In order to ensure the quality, the products from regular manufacturers should be selected. In some cases, the number of actions is not much, but the reliability requirements are very high, so we must not take it lightly. Especially important, we should also take two double insurance.

Generally, the flow coefficient of solenoid valve is very small, and the working pressure difference is very small. For example, the flow coefficient of 25 caliber solenoid valve is much smaller than that of 15 caliber electric ball valve. Solenoid valve is driven by solenoid coil, which is easy to be damaged by voltage impact. Equivalent to the role of the switch, that is, on and off two roles. The main control parameters of solenoid valve are diameter, design nominal pressure, allowable medium temperature range, interface size, etc