QZF - 89 all-weather fire breathing valve and ball Industrial Valves difference is bigger, we can distinguish from the function to go up and ball valve and QZF - 89 all-weather fire breathing valve different effects, from ball Industrial Valves and QZF - Distinguish between 89 all-weather fire breathing valve structure. 【 Functional difference between 】 QZF - 89 all-weather fire breathing valve adopts drawer fire prevention structure, easy cleaning and maintenance, is installed on the fixed roof tank ventilation device, to reduce oil product evaporation loss, control the tank pressure, and the function of blocking the fire passed. The Industrial Valves has the ventilation rate, small amount of leakage and corrosion resistance and other characteristics, and a static grounding line, to keep the valve with the tanks equipotential. The valve has the antifreeze performance, suitable for cold areas. Ball valve and QZF - 89 all-weather fire breathing valve 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 】 QZF - 89 all-weather fire breathing valve ball valve' Summary 】 QZF - 89 all-weather fire breathing valve and ball valve 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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