2、 When the closing process is closed, rotate the hand wheel clockwise, the valve rod starts to drop and the ball starts to rotate away from the valve seat. Continue to rotate the handwheel, and the valve rod is acted by the guide pin embedded in the spiral groove on the handwheel, so that the valve rod and the ball can rotate by 90 at the same time. When it was about to close, the ball had rotated 90 ° without contacting the valve seat. During the last few turns of the handwheel, the angular plane at the bottom of the valve stem mechanically wedges the ball to make it tightly press on the valve seat to achieve complete sealing.

Stainless steel pneumatic butterfly valve industry should be steadily developed
With the acceleration of urbanization in China, the demand for stainless steel pneumatic butterfly valves is expanding. Some industry insiders have also analyzed the development of the entire stainless steel pneumatic butterfly valve industry. Some radicals think that the stainless steel pneumatic butterfly valve industry should be vigorously developed when the market environment is good. As a well-known brand in the stainless steel pneumatic butterfly valve industry, Haizhizhou believes that it should adhere to a steady development trend at this time.
At present, the development of the global economy is integrated. In recent years, the foreign economic crisis has also had a certain impact on the domestic economy. If the development is accelerated, the market will reach saturation within a certain period of time. In recent years, China has vigorously promoted the development of efficient and energy-saving. As far as the domestic stainless steel pneumatic butterfly valve market is concerned, the competitive environment of small and medium-sized enterprises is not good, the operation quality is not good, and the control and execution of capacity expansion are not in place, which has dragged down some middle and high-end enterprises, The pressure of economic and social transformation will also expand. Steady development is the key to ensure the healthy development of the stainless steel pneumatic butterfly valve industry.
However, in recent years, the overseas situation has been sluggish. Many stainless steel pneumatic butterfly valve enterprises have significantly reduced their overseas orders, failed to collect accounts receivable, overstocked inventories, and faced difficulties in capital turnover and circulation. Therefore, the development of stainless steel pneumatic butterfly valve industry in China should pay more attention to stability.
In general, the stainless steel pneumatic butterfly valve industry should adhere to a stable attitude in the face of market demand expansion, rather than rapid expansion. At the same time, enterprises can innovate products that meet customer needs on the premise of ensuring production quality through scientific research and innovation, so as to promote the healthy and stable development of the industry. Compile the news of stainless steel pneumatic butterfly valve manufacturer
Stainless steel pneumatic butterfly valve manufacturers should be realistic and pragmatic, and all our journalists must have the obligation to understand, understand the overall situation, and innovate. There is no obligation to understand the indiscriminate cultivation, that is, there is no understanding of the overall situation. The manufacturer of stainless steel pneumatic butterfly valve understands that random fabrication is not innovation. We should link every work we do and every manuscript we collect and compile with the great cause of building socialism.
That's not too much to say. One of our articles may bring down an enterprise. If a good stainless steel pneumatic butterfly valve manufacturer is crushed due to a small article, can we promote or promote the development? Don't underestimate the pen in our hand, the manuscript and the newspaper.
The stainless steel pneumatic butterfly valve manufacturer's practice of fabricating, mystifying and fabricating news can not only not promote social progress, but also bring great harm to society, even disaster. The manufacturer of stainless steel pneumatic butterfly valve analyzed that there were many reasons for this phenomenon, but the main reason was that some people's political quality was too poor. Poor political quality means no understanding of the overall situation and no obligation.