Mechanical seal manufacturers seal what are the basic requirements?

Mechanical seal manufacturers seal what are the basic requirements? 2018 - 6 - 2 what are the basic mechanical seal manufacturers seal requirements? When selected mechanical seal manufacturer, we will find conforms to the demand of seal. But you know in the use of the mechanical seals, we are going to meet the basic requirements? And see it together. 1, mechanical seal to the accuracy requirement of the machine ( Pumps with mechanical seal, for example) ( 1) Installation of mechanical seal parts of the shaft ( Or collar) The largest radial run-out tolerance mechanical seal is less than 0. 04 ~ 0. 06mm。 ( 2) The rotor axial channeling can't move more than 0. 3mm。 ( 3) Seal cavity and sealing end cover positioning end face of shaft ( Or collar) Mechanical seal the surface of the run-out tolerance is more than 0. 04 ~ 0. 06mm。 2, mechanical seal validation ( 1) Confirm whether the seal installation by the consistent with the requirements of the water pump mechanical seal type. ( 2) Carefully before installation and assembly drawing, parts number is complete. ( 3) Adopt and coil spring driving mechanical seal, the spring has the branch of left and right hand, to be prepared in accordance with the axis of rotation has been selected.