1. It has the function of safe self-locking (blind
plate self-locking, shockproof, anti-loose, and secondary pressure relief when
opening), which not only prevents the blind plate from loosening during the
locking process, but also prevents the danger of opening the blind plate when
the pressure is re-pressed. The situation happened.
2. The sealing ring and the sealing surface are not
rotated, and the sealing ring is not easily damaged, thereby better protecting
the sealing system.
3. The external locking ring changes the old blind
plate to three-petal type, which realizes simultaneous action and uniform force
during locking, which reduces the length of the opening screw and makes the
switch more flexible and reliable.
4. At the same time, the area of the bite force is
increased. (The occlusal area of the screw-type blind plate is nearly 50%, and
the occlusal area of the lock ring type blind plate is more than 90%.) It is
more suitable for the high-pressure large-diameter natural gas pipeline.
Material
16 Mn or 20#
Operating temperature range
-20℃~90℃
Applicable fluid
Gas
Specification
Customized
Design Pressure
1.6~25.0Mpa
Working Temperature
-19-+80℃
Model
DN150-DN14000
Pipe thickness
10mm
Coefficient of friction
＜0.3
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