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Heavy duty seals are made by casting. The largest size of hsl seal is 800mm. Nitrile(NBR), hydrogenated nitrile(HNBR), and silicone(VMQ) o-rings material can be chosen.

O-Ring type mechanical face seal is another name of duo cone seal. Fuyote floating seal is made by casting. Parts of mechanical face seals are all made in house.

Square bore mechanical face seal is another name of heavy duty seal. Square bore mechanical face seals is also called square bore face seals, hsl seals, and trapezoid type mechanical face seals.

Asymmetric type mechanical face seals A is the lifetime face seals which made by high alloy casting iron.

Asymmetric type mechanical face seals B which also called adaptor ring mechanical face seals are made by casting process.

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Aim to decrease the difficulties of customer assemble, Fuyote use curve design on sealing face. This design has self-centering to compensate for shaft eccentricity or misalignment under the o-ring pressure, which could increase the sealing stability.

Fuyote use black surface on the metal seal rings. Black seal faces decrease rusting and increase o-ring gripping ability, eliminating o-ring sliding. For customer who require white seal face Fuyote offers anti-skid stripes to achieve the same effect.

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