QZF - 89 all-weather frost fire breathing valve and ball valve difference is bigger, we can distinguish from the function to go up and ball valve and QZF - 89 all-weather frost fire breathing valve different effects, from ball Industrial Valves and QZF - 89 all-weather frost fire breathing Industrial Valves structures. 【 Functional difference between 】 QZF - 89 all-weather frost 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 valve 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 frost fire breathing Industrial Valves 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 frost fire breathing valve 【 Summary 】 QZF - 89 all-weather frost 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, no matter when the design, or in the purchase, must be in strict accordance with the relevant technical requirements.
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is something that has been around for a few decades now, enjoying it's heyday back in the os & y valve fire protection.