The modified formula represents much more accurately the actual working condition of the pump valve.
修正后的公式可以比较准确地反映泵阀的实际工作情况。
So if you need to flow with the actual working condition differ too much, it can only be better model bigger pump.
所以如果与实际工况需要流量相差太多的话，那就只能更好型号更大一点的泵。
Notes: Major parts of the valve series and materials of sealing surface differ according to actual working condition and custmer's special requirement.
注：系列阀门主要零部件及密封面的材质可根据实际工况条件或用户特殊要求设计选用。
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