... for you 2.Proffessional manufacturer Supply complete sets of kettle mechanical sealing 1. Before the order , we should check some ... ,temperature ,rotate speed , sealing medium,rotation 2. Choose the related mechanical sealing and material depend on the data . 3. If the ... swing ≤0.5mm 6. the non-perpendicularity between flange on mechanical sealing and axis ≤0.05mm 7. The shaft manufacturing tolerance ...