Reinforcing ribs provide a solid superstructure mount and give the body added strength. Placement of the ribs assures packing chamber support to resist both internal and external stresses.

• 加固肋提供实心上部结构安装，提高了阀体的强度。加固肋确保填料腔的支撑强度以抵抗来自内部和外部的压力。