[Science Post] When the pump starts, should I close the outlet valve? The answer turned out to be...
1. Why should the outlet valve be closed when the centrifugal pump is started? When the centrifu...
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1. Why should the outlet valve be closed when the centrifugal pump is started? When the centrifu...
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"Know yourself and the enemy, never end in battle" The prerequisite for the correct selection and u...
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Wafer butterfly valve is one of the most common types of valves in industrial pipelines. The wafer b...
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□ Implement the national "health code" mutual recognition of foreign personnel, and all implement...
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Large wall thickness error of pipe circumferential section ①The accuracy of the concentricity betwee...
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The convenient pressure of new pipes, especially plastic pipes, is related to many factors, such as ...
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1. Formula 1. In order to become chlorinated polyvinyl chloride plastic (PVC-C) hot water pipes and ...
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As a material with the reputation of "Plastic King", what are the advantages and disadvantages of po...
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1. What is the nominal pressure PN (MPa)? The reference value related to the pressure resistance of...
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Valves are pipeline accessories used to open and close pipelines, control flow, adjust and control t...
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Under normal circumstances, if it is not tightly closed, first confirm whether the valve is closed i...
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1. Analysis of the causes of cracking of injection molded products Cracking, including filamentous c...
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