QB2 dual exhaust valve and ball valve difference is bigger, we can distinguish from the function to go up and the different function of ball valve and QB2 dual exhaust valve mouth, can also went up from ball valve and QB2 double mouth exhaust valve structure. 【 Functional difference between 】 QB2 duplex exhaust valve is suitable for the working medium for water piping, to improve the efficiency of water equipment and protect the pipes from deformation, is the sort of pipeline equipment. For most of the store on the pipeline and the pump outlet or have a breath, eliminate gas in pipe line to dredge pipeline, to work properly. If you don't install exhaust valve, pipe a vapor lock at any time, make the pipe water capacity can not meet the design requirements; Second, pipe stop pump during operation, blackouts will produce negative pressure pipeline vibration or break, quick exhaust valve can quickly put the air suction tube, prevent the pipeline vibration or broken. Ball valve and QB2 dual exhaust valve mouth 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 】 QB2 dual exhaust valve ball valve mouth 【 Summary 】 QB2 dual exhaust Industrial Valves 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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