pipe closure for pig launcher receiver design and vertical pressure vessel

    Locking-ring Quick opening closure as its  integral scalable locking ring structure, compare with other type

quick opening closure, it shorten the time of the opening and closing, only a person with less than 200N  force

to easily finish in one minute.

    With unique self-tightening type lip seal structure, make the sealing more safe and reliable.

    With safety lock system has self-locking function:

• When the equipment before booster, fast-opening blind and the locking structure on the scheduled oper-

ating parts can all lock, if not to reserve lock position, the equipment can't booster.

• when the equipment after unloading, before blind flange cover open, can completely make the container

inner pressure relief, all realize the secondary pressure relief, to avoid the safety problems due to wrong o-

peration.

     Locking-ring quick opening closure consists of  blind plate cover, barrel flange, integral scalable

locking ring, self-tightening sealing ring, opening structure and safety locking device.

     Please check the following detail structure:

• Our Lock ring quick opening closure can be designed to open any special equipment within 1 minute

        as usual.

• Lock  ring quick opening closure can  open any vertial or horizontal type pressure vessel  in very

        short  few minutes. Compared  with other QOC, its can operate safely. Without any special tools,  it can

        open or close  any specification vessel within 1 minute .

• Safety -- Built to meet  all  the  international codes and key operator specifications. Robust com-

        ponents to avoid damage caused by misuse.Upto three levels of safety interlock to avoid opening under

        pressure.

• Speed and simplicity of opening. 

• Ease of maintenance--Designed for ease of maintenance,using a simple lip seal arrangement.