positive rotary pump coupling 回转容积泵联轴器

semi-rotary pump coupling 摆动泵联轴器

eccentric rotary pump coupling 偏心转子泵联轴器

flexible rotary pump coupling 挠型转子泵联轴器

rotary piston pump coupling 回转式活塞泵联轴器

rotary vane pump coupling 回转式滑片泵联轴器

rotary vaccum pump coupling 回转式真空泵联轴器

rotary plunger pump coupling 回转式柱塞泵联轴器

rotary meterring pump coupling 回转式计量泵联轴器