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SM/SMB water lubrication stern shaft sealing apparatus
说明：适用于以水为润滑介质的各种类型船舶。
轴向串动≤1mm时，可选用SM型：
轴向串动≤±3mm时，及转速较高时可选用SMB型。
Remarks:
It is suitable for kinds of vessels whose working medium is water.
When the axial vibration≤1mm,the SM type can be used;
When the axial vibration≤±3mm and then speed is high,the SMB type can be used.
轴向串动≤1mm时，可选用SM型：
轴向串动≤±3mm时，及转速较高时可选用SMB型。
Remarks:
It is suitable for kinds of vessels whose working medium is water.
When the axial vibration≤1mm,the SM type can be used;
When the axial vibration≤±3mm and then speed is high,the SMB type can be used.
