One of the development strategies of pneumatic butterfly valve is the continuous improvement and innovation of the product itself. Therefore, in the future development process, we will constantly improve the quality of our products and achieve the international level, so that our competitiveness in the domestic market will increase, and with the continuous expansion of the market, we will gradually go international, so our own development will be the most substantial internal force. 　　

If the silencer is adjustable, the opening and closing speed of the valve can be adjusted. If the silencer is adjusted too small, the valve may not act.