Electric control valve installation and use precautions
Electric control valve is a kind of hardware products commonly used in modern power tools. The quality of the installation determines the performance and service life of the power tool to a certain extent. Therefore, we must pay attention to the installation process of the electric control valve. Matters to ensure the quality of their installation. Electric control valve installation precautions: 1. The newly designed and installed control system, in order to ensure that the regulating valve can work normally when driving and make the system operate safely, the new valve should first check whether the nameplate mark on the valve matches the design requirements before installation. 2. At the same time, the following items should be debugged. Basic error limit; full stroke deviation; hysteresis; dead zone; leakage (when required) 3. If the control valve in the original system has been overhauled, in addition to the above-mentioned items, the sealing check of the stuffing box and joints of the old valve should be carried out. 4. In the field, the regulating valve is often caused not by the quality of the regulating valve itself, but by improper installation and use of the regulating valve, such as the installation environment, improper installation position and direction, or the pipeline is not clean. To. Note on the use of electric control valve: 1. The regulating valve belongs to the field instrument. The ambient temperature should be in the range of -25 to 60 °C, and the relative humidity is ≤ 95%. If it is installed in open air or high temperature, waterproof and cooling measures should be taken. Keep away from vibration sources or increase anti-vibration measures where there is a source. 2. The regulating valve should generally be installed vertically. Under special circumstances, it can be tilted. If the tilt angle is large or the valve itself is too heavy, the support should be added to the valve. 3. The pipeline for installing the regulating valve should not be too high from the ground or the floor. When the height of the pipeline is greater than 2m, the platform should be set as much as possible to facilitate the operation of the handwheel and easy maintenance. 4. The pipeline should be cleaned before installation of the regulating valve to remove dirt and welding slag. After installation, in order to ensure that impurities do not remain in the valve body, the valve should be cleaned again, that is, all valves should be opened when the medium is introduced to avoid impurities jamming. After using the handwheel mechanism, you should return to the original neutral position. 5. In order to make the production process continue in the event of failure or maintenance of the regulating valve, the regulating valve should be added with a bypass line. At the same time, special attention should be paid to whether the installation position of the regulating valve meets the requirements of the process. Concerned about surprises Label: Precautions for installation and use of electric control valve Previous: Brass Performance Next: What are the types of cabinet pull baskets?
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