디스크 브레이크, 클램퍼, 레일 클램퍼, 원심 클러치, 토크 릴리저, 원심 브레이크, 하중 시험기 등
The disc is secured with spring force and released with electromagnetic or hydraulic pressure. It is mainly used for the retention of equipment, such as hoisting machines. It responds to harsh conditions used for emergency applications.