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252021-06In the face of so many valve classification and so complex working conditions, it is necessary to select the most suitable valve product for pipeline system installation.
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112021-06Because the tank wall manhole is located in the lower part of the oil tank, the manhole bears a lot of liquid pressure. In order to prevent leakage, the installation quality of the manhole must be strictly required.
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282021-05In engineering design, various types of exhaust valves should be selected according to the specific site conditions.
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302021-04The safety valve has great value and significance for safe operation and ensuring safe operation. In order to give play to the actual value and function of the safety valve, it is very important to pay attention to details in the process of use.
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092021-04Low protection level: the valve motor for Denso is fully enclosed squirrel cage structure, short-time intermittent working system (10min) self-cooling type.
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262021-03The control valve is widely used in oil refining and chemical industry. It is used to control the flow rate, pressure and liquid level of the fluid in the production process...
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192021-03Working condition of high temperature including high temperature, high temperature Ⅰ Ⅱ, high temperature, high temperature Ⅲ Ⅳ, high temperature, high temperature Ⅴ level...
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292021-01Manual valve is a valve operated by handle and handwheel. It is a common valve used in equipment pipeline.Its handle, hand wheel rotation direction clockwise is closed, counterclockwise is open.
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222021-01Pre-maintenance of new valves before operation is a progressive construction concept to protect valve seat seals from seat damage during installation, welding and commissioning
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082021-01The sealing surface is the most critical working face of the valve, the quality of the sealing surface directly affects the service life of the valve
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