Precautions when installing mechanical seals2

a. Pay great attention to avoid the installation deviation during installation (1) Tightening the gland should be carried out after the coupling is aligned, and the bolts should be supported evenly to prevent the end face of the gland from being skewed. Check each point with a feeler gauge. The error is not more than 0.05 mm. (2) Check the matching clearance (ie concentricity) between the gland and the outer diameter of the shaft or bushing.

b. The amount of spring compression should be carried out according to the regulations, and it is not allowed to be too large or too small, and the error is required to be 2.00 mm. If it is too large, it will increase the specific pressure of the end face and accelerate the wear of the end face. If it is too small, the specific pressure will be insufficient and the sealing effect cannot be achieved. c. After the moving ring is installed, it should spring back automatically after pressing the moving ring against the spring.