Steel Mill in South America has successfully tested, and uses, Red Valve Type A Pinch Valves on dry Calcium Oxide in fine grain size on their continuous casting steel process.

• 在南美洲的一座钢厂里，美国红阀公司A型夹管阀已经成功地通过测试并成功地应用在连续铸钢工艺中的细粒生石灰控制过程中。