The try-out result shows that the newly developed coolingwatervalve can meet the finishing mill"s temperature control demands with expected effects in its performance and maintenance."
试用结果证明新研制的冷却水阀满足了精轧机轧制温度控制的要求，在性能和维护方面达到了预期的效果。
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When cold WFI is needed, the cooling mode (fig. 5) is turned on by an air switch, which closes the recirculation valve and opens the coolingwatervalve. Within seconds cold WFI is available.
This article mainly discusses and analyses in quality how to avoid cavitations occurred in control valve, which is in air-conditioning water system including both chilling and cooling.