Performance and ApplicationKYring for shaft has features like simple structure, convenient installation, low cost, good sealing performance and others which can be used for onewayseal of piston rod. SKYC oil seal is one kind of lip seal with two layers of sealing lips, which outer diameter is closely fit (KYC only has one layer of seal lip). As there is additional lubricant between two layers of seal lips, friction and wear are prevented greatly. In some cases, this kind of seal even can replace expensive tandem devices. Its major advantages lie in good wear resistance, impact resistance, hit resistance and small compression deformation, which improve the sealing performance under zero pressure. It is applicable for the hardest working condition, which prevents the entry of outside air perfectly to achieve good sealing performance accordingly.MaterialImported Polyurethane (PU)Working ConditionWorking Pressure    ≤40MPaWorking Temperature    30~+100°CWorking Medium    Hydraulic Oil (Mineral Oil Base)Reciprocating Speed    ≤0.5m/s.

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