Core reminder: The effective sealing of pumps and valves depends on the overall condition of each component. Special attention should be paid to ensure that the equipment that needs to be replaced has been effectively isolated in accordance with the site and the system before installing the packing. The following content is used to guide maintenance personnel, engineers and assemblers to install and adjust packing correctly.
Packing length calculation formula and packing installation method
The required packing length calculation formula: (shaft diameter d + packing width) Χ1.07Χ3.14
Packing section calculation formula: (stuffing box diameter-valve stem diameter)/2
Principle of choosing packing: Neither big nor small, rather tight than loose!
Packing installation method:
The effective sealing of pumps and valves depends on the overall condition of each component. Pay special attention to the fact that before packing installation, make sure that the equipment that needs to be replaced has been effectively isolated in accordance with the site and the system. The following content is used to guide maintenance personnel, engineers and assemblers to install and adjust packing correctly.