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You are here : The seal ring of mechanical seal
Sealing ring is a ring and stationary ring of the general (the same below), constitute the most important components mechanical seal. Largely determine the seal ring mechanical seal performance and life, so it made a number of requirements.
Have sufficient strength and stiffness
Working conditions (such as pressure, temperature and sliding velocity) is not damaged, the deformation should be small, working conditions, fluctuations can maintain tightness.
Seals should have sufficient hardness and corrosion resistance
Working conditions to ensure a satisfactory service life.
Seal ring should have good ability of heat shock
To this end, the requirement that materials have high thermal conductivity and low coefficient of linear expansion, cracking under thermal shock Buzhi Yu.
Should have a smaller friction coefficient and good self-lubrication
Seal ring should match the smaller coefficient of friction and good self lubricating, sealing ring material and also have a good seal fluid infiltration. Work in the event of a short period of dry friction, does not damage the seal face.
Should be simple to use symmetry and give priority to the overall structure
Also can be combined (eg, set-mounted) packing ring, try to avoid spraying with a seal face structure.
Manufacturing is easier to seal ring
Installation and maintenance to be convenient, the price to be low.
Have sufficient strength and stiffness
Working conditions (such as pressure, temperature and sliding velocity) is not damaged, the deformation should be small, working conditions, fluctuations can maintain tightness.
Seals should have sufficient hardness and corrosion resistance
Working conditions to ensure a satisfactory service life.
Seal ring should have good ability of heat shock
To this end, the requirement that materials have high thermal conductivity and low coefficient of linear expansion, cracking under thermal shock Buzhi Yu.
Should have a smaller friction coefficient and good self-lubrication
Seal ring should match the smaller coefficient of friction and good self lubricating, sealing ring material and also have a good seal fluid infiltration. Work in the event of a short period of dry friction, does not damage the seal face.
Should be simple to use symmetry and give priority to the overall structure
Also can be combined (eg, set-mounted) packing ring, try to avoid spraying with a seal face structure.
Manufacturing is easier to seal ring
Installation and maintenance to be convenient, the price to be low.
