Short operating time:Locking-ring Quick Opening Closures as ite integral scalable locking ring structure, compare with other type quick opening closure, ite shorten the time of the opening and closing, only a person with less than 200N force to easily finish in one minute;

The Quick Opening Closure are a device on the round port of the pressure pipe or pressure vessel. And it is a mechanical device that can be opened or closed quickly. It generally includes cylinder flange, head cover, hook ring or clamp, and sealing ring. There are also components such as safety interlock mechanism, opening and closing mechanism, rotating arm and short joint (when necessary).