Two integrally cast lugs on the disc prevent the disc from spinning in service. This exclusive feature helps extend valve life in difficult services by eliminating disc spinning.

• 阀瓣上的两个整体铸造的耳柄防止阀瓣在运行期间出现旋转现象。这个独特的特征通过消除阀瓣在严酷的应用中出现旋转的现象,来帮助延长阀门的使用寿命。