How to solve the valve dynamic seal, static seal problem?

How to solve the sealing problem can not be ignored, because the valve running, running, dripping, leakage phenomenon, the vast majority occur here. Dynamic seal sealing of the valve, mainly refers to the stem seal. Do not let the valve medium with the stem movement and leakage, the valve is the

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Top ten status and trends of Shenzhen LED industry

On January 12, 2017, at the annual meeting of the Shenzhen Lighting and Display Engineering Industry Association, Zhao Fei, the secretary general of the association, put forward ten viewpoints on the status quo and trend of the LED industry in Shenzhen. On January 12, 2017, at the annual meeting of

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Japan Shenang Smelter Recycling Process Example

The composition of lead anode mud for the lifting of the Shenang smelter in Japan is (%): Pb 10-15, Bi 17-32, Sb 16-37, As 5-8, Cu 2.5-5, Ag 100-150 g/ton , Au 120 ~ 560 g / ton. The process is similar to that of the Terrell plant, except that the equipment used is different: after the anode mud is

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