FZT fire ventilation hood and ball valve difference is bigger, we can distinguish from the function to go up and ball valve and FZT fire ventilation cover different effects, from ball valve and FZT fire ventilation hood structures. 【 Functional difference between 】 FZT fire ventilation hood installed on top of a heavy tank on respiration, and provide adequate ventilation for the tank; In accident situation at the same time the overflow protection, to ensure that the tanks in good condition, to ensure the safety of the oil reservoir area fire, generally for flange connection. Ball valve and FZT fire ventilation hood difference is bigger, ball valve, 球阀) Opening and closing is a sphere, driven by the Industrial Valves stem, and for ball Industrial Valves axis rotate 90 & deg; Open or closed. Can also be used on regulation and control of fluid, mainly used for cutting in line, distribution, and change the flow direction of medium, good sealing, convenient operation, opening and closing fast, simple structure, small volume, small resistance, light weight, etc. 【 Physical difference between 】 FZT fire ventilation hood ball valve' Summary 】 FZT fire ventilation cover and ball Industrial Valves and using the difference function, are quite different in application, in the selection of a certain need to pay special attention to diameter, pressure, material and use of media, whether at design time, or in the purchase, must be in strict accordance with the relevant technical requirements.
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