Electric gate valve switch degree how to adjust? Technical expert to tell you. The product can also be used as a important valve chain protection and remote control system for instructions. 1, the potential limit adjustment loosen screw block is formed, with a screwdriver tap travel stop, can adjust the Angle of travel stop, and transform the opening Angle of the voltage limit. Finally, the practical and tighten screw trips well block. 5, 10, trip stop travel of layout 25/50/100/200 and travel switch block is the adjustment of the layout in figure 2, and travel switch potentiometer ( Opening type, intelligent) 一个。 Potentiometer resistance for euro 1000, euro 5000. b。 With handle to turn the valve to the fully closed position. c。 Loosen the potentiometer, rotate the potentiometer gear, using the multimeter, measure and 4 - 5 resistance between terminals, 4 - Resistance to under five o 5, fixed screw fastening potentiometer. ( If it is the intelligent seven connector to connect please metering RV and resistance RS two jacks) Note: the manual operation, not too much out of full open, seated the limit position, Angle is too large, will cause the damage of the parts. 3, the adjustment of the mechanical limit, use rotates to the full open position b, loosen the lock nut, rotating adjusting screw, make contact with the machine stop, then, in the opposite direction rotating screw, half a circle lock nut. C, the same way, but to the mechanical stop full closed position adjustment. How electric head to understand after the power supply, electric valve switch in place will stop, and then save. Moment is larger than normal Industrial Valves action of electric Industrial Valves, electric valve switching speed can be adjusted, simple structure, easy maintenance, can be used to control air, water, steam, all kinds of corrosive medium, mud, oil, liquid metal and radioactive medium such as various types of fluid flow. Action for buffer characteristics of the gas itself in the process, not easy to damage due to get stuck, but must have a gas source, and its control system is more complicated than the electric valve. This valve shall generally be installed in the pipeline. Electric valve, in a nutshell is to use the electric actuator. Control valve, so as to realize the valve opened closed. It can be divided into fluctuation two parts, the upper part for electric actuator, the lower part of the valve. Electric valve before installation should be simulated action and pressure test. Advantages: on liquid medium and large diameter gas effect is good, is not affected by climate. Is not affected by air compressed air pressure. Disadvantages: high cost, in the damp environment is bad. ( One day before) Electric actuators in terms of control model, common type switch electric actuators and external regulation of electric actuators are two kinds, many customers do not understand type switch and the external regulation is different, the main difference is that the valve switch control function is different. 1, switch of electric actuators are switch of electric actuators are also known as open loop control type electric actuator, the actuator is only when the Industrial Valves operation is performed, two actions, which is only for the valve is in a state of full open or close. Switch type electric actuators are unable to control the size of the valve switch, also cannot control medium flow accurately. The structure of the switch type electric actuators way has two kinds of fission structure and integrated structure. Fission structure of switch type electric actuators must match with the control unit to complete the control operation, so there is no overall system makes the pipes easier to install, and the investment cost is larger, the failure rate is higher, is not conducive to diagnose and repair. Electric actuators to control unit and a size structure of electric actuators are combined into an organic whole, don't need to match the control unit can be done to the operation of the valve. A body of electric actuators are support remote control, as long as the electric actuator output control information, it can be to finish operation task. 2, external regulation of electric actuators are external regulation of electric actuators are also called closed-loop control type electric actuator, the actuator in addition to have control of the valve switch function, also can do precise control on valve opening, in order to achieve the precise control of the medium flow. External regulation electric actuators in terms of work form, divided into open type electric actuators and electric type electric actuators. Open type electric actuators and electric type electric actuator control signal of guangzhou customs is different, should determine when selecting good work form of electric actuators, otherwise don't fit in the control system, and difficult to modify. External regulation has lost signal electric actuator, when actuator for line fault or other reasons can't receive signals, to control the valve opening and closing to develop themselves, usually the valve fully open, close, or stay in place. Electric actuators in selection, in addition to pay attention to the control mode of electric actuators and valves, and other components compatibility, consider the different electric actuators, give model in the form of the actuator is different also. The actuator manufacturer of different starting point, the development speed is different, also for the modification of the innovation of the actuator is different, so customers in the selection, be sure to provide clear parameters as much as possible.
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