FZT explosion-proof fire breathing manhole and ball valve difference is bigger, we can distinguish from the function to go up and ball valve and FZT explosion-proof fire breathing manhole different effects, from ball valve and distinguish FZT explosion-proof fire breathing manhole structure. 【 Functional difference between 】 FZT explosion-proof fire breather manholes 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 Industrial Valves and FZT explosion-proof fire breathing manhole difference is bigger, ball valve, 球阀) Opening and closing is a sphere, driven by the valve stem, and for ball valve 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 explosion-proof fire breathing manhole ball Industrial Valves' Summary 】 FZT explosion-proof fire breathing manhole and ball Industrial Valves and the difference is to use a 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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