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2019
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What is the sealing principle of ultra-high pressure sealing ring
Sealing with a sealing ring is one of the oldest general methods in the history of sealing, and most of the seals are basically using sealing rings or seals. Sealing plays an important role in the reliability of ultra-high pressure hydraulic technology. Today, Xiao Bian will talk about the sealing principle of ultra-high pressure sealing ring.
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Sealing with a sealing ring is one of the oldest general methods in the history of sealing, and most of the seals are basically using sealing rings or seals. Sealing plays an important role in the reliability of ultra-high pressure hydraulic technology. Today, the editor will talk aboutUltra-high pressure sealing ringSealing principle.
When it comes to ultra-high pressure, it must be linked with the times, because ultra-high pressure is different with the times, the so-called ultra-high pressure, that is, when the pressure in the hydraulic system or hydraulic machinery exceeds 82MPa, it is usually called the division and definition of ultra-high pressure. Science and technology always progress with the times, and people should also look at technical problems with the pace of the times. p>82MPa, commonly known as ultra-high pressure, can be described as the current statement in terms of time.
Although the principle of ultra-high pressure sealing is basically the same as the principle of general pressure sealing, the seal is different, and its organization needs to be denser to prevent damage by extrusion and leakage, so as to meet the needs of ultra-high pressure sealing.
Ultra-high pressure sealing ringThere is no essential difference between the sealing principle and the sealing principle of medium and high pressure hydraulic components or hydraulic systems. Ultra-high pressure sealing also uses seals to block the fluid flow channel to prevent leakage and seal. For non-contact gap sealing, ultra-high pressure sealing also uses a gap channel with too long liquid flow to receive resistance and generate pressure loss. The pressure difference at the gap outlet end is close to zero, which is close to no leakage and forms a seal.
The difference between the sealing principle of ultra-high pressure sealing ring and the general pressure situation is that the material of the blocked seal must be able to withstand the extrusion or impact of ultra-high pressure; the seal of the gap, the gap value is much smaller than the general pressure gap seal value.
Key words:
Ultra-high pressure sealing ring,Ultra high pressure seal,High pressure seal
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