Introduce the structure of the ball valve

1, opening and closing without friction. This function completely solves the problem that traditional valves affect the sealing due to mutual friction between the sealing surfaces. 2, the body structure. Valves installed in the pipeline can be directly online inspection and maintenance, can effectiv

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Expo Expo Elements Boost New Industry

On November 9, the 2010 China International Industrial Fair, which brought together high-tech achievements, was grandly opened in Shanghai. The biggest features of the exhibition are: directing the post-World Expo economy, promoting the development of emerging industries, focusing on independent in

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Shandong PPI rose year-on-year high

According to data released by the National Bureau of Statistics Survey Corps of Shandong in the middle of this month, in October, affected by the increase in the growth rate of agricultural and sideline products, steel products, refined oil, and chemical raw materials and chemicals, Shandong's

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Wind turbine status parameter detection

1. Rotating speed There are two measuring points for the speed of a wind turbine: the generator speed and the rotor speed. The speed measurement signal is used to control the connection and disconnection of the wind turbine generator. It can also be used to start the overspeed protection

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In the rainy season, Aventure starts with car care

The gift of heavenly gifts on the water of the rain hydrates everything and keeps it dry. Thinking about the rainy season in the south of the Yangtze River, under the smoky haze, the weak willow faces the wind and comes in. The exposed white face is covered with a few wet hair. At first si

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