Can the pneumatic cement butterfly valve flange d943h be closed manually? Because China's industrial technology foundation is weak, the level is relatively low, and the degree of automation in the industrial production process is relatively low, the requirements for control instruments and meters are generally not high, which objectively causes some manufacturers not to invest in this direction. In addition, the country has not recognized the importance of developing executive agencies for a period of time after the founding of the People's Republic of China. For these reasons, the development speed of pneumatic butterfly valve actuator in China is far behind other control instruments. Since the reform and opening up, the development speed of actuators has accelerated a lot, but the progress of technology objectively has a process, and only the progress of relevant technologies can promote the faster development of actuators. In recent years, some manufacturers only introduce foreign products for assembly in order to one-sided pursuit of benefits, and the relative technology digestion and echelon training of technical personnel have not kept pace, As a result, the domestic related technology lags behind the foreign advanced technology for more than ten years.
、 For the use of this electric on-off butterfly valve, the fixed ball valve is more suitable for high-pressure large diameter pipes, and there will be no problems during long-term use, which can ensure the use effect. In addition, this elastic ball product can be used in some high-temperature and high-pressure environments during use, In this way, more good use effects can be improved, and the whole equipment will not be damaged after use. Therefore, friends should choose an environment suitable for use according to their different use aspects.
Previous: The electric actuator of the video of how to pressurize and test the pneumatic high-temperature regulating butterfly valve is
Next: How to debug the drawing of pneumatic slow opening valve butterfly valve?
