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It has the function of safety interlocking and protection the seal,, Its lock using polyhedral contact structure, Switch time - details see: https://www.machineto.com/quick-opening-end-closure-10213234

We offer our client an excellent quality range of Quick Opening Closures, which are manufactured from high grade quality raw materials. These Quick Opening Closures can be customized as per our precious customers specifications. These Quick Opening Closures are widely known for its durability and quality. Our Quick Opening Closures can be availed at industrial leading price.

1)It has the safe self-locking function (Quick Opening Closure self-locking, shockproof, prevent loose, and can second relief in the open). Not only prevents the Quick Opening Closure loose in the lock of the process, but also prevent to take pressure

2)situation open the blind plate risk happens.

Seal and seal face has no relative rotation, sealing ring is not easily damaged, so as to better protect the sealing system.

3)The three section clip-type realized at the same time action in the lock, force uniform, reduced the open wire rod length, make the switch become more flexible and reliable.

4)These kinds of structure increase the bite the tooth stress area (bite area in more than 90%) at the same time. It is suitable for high pressure large diameter gas pipeline. The main bearing parts of Quick Opening Closure adoption # 20 or 16Mn forging steel whole processing, the main bearing parts without weld assembly.