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Pneumatic control valves without positioners can cause slow movements
The action of the regulating valve is unstable. The symptoms and causes are as follows: 1. The air s...
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The action of the regulating valve is unstable. The symptoms and causes are as follows: 1. The air s...
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1. Leakage of valve body and bonnet ► Reason: 1. The casting quality of iron castings is not high, a...
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When the regulating valve is made of graphite-asbestos, the lubricating oil should be added to the p...
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The cut-off valve, also called the cut-off valve, is the most widely used valve, which is mainly com...
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Pneumatic control valve is one of the widely used instruments in petrochemical enterprises. Its accu...
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Recently, Spanish customers came to visit our company to discuss cooperation matters. The chairman o...
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The body material of the desulfurization butterfly valve is: ductile iron, cast steel, stainless ste...
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In order to reduce the operating torque of the ball valve and increase the reliability of the seal, ...
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Safekeeping ◆The purpose of storage and maintenance is to prevent damage to the valve during storag...
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Ball valves have been widely used in petroleum, chemical, power generation, paper, atomic energy, av...
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With the progress and continuous reform of the times, my country's valve products have also been inn...
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The ball valve and the plug valve are the same type of valve, only the closing member of which is a ...
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