Servicing of large diameter rotary valves - KBK Engineering

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Servicing of large diameter rotary valves

MaintenLarge machines with an inner diameter of nearly 700 in the conveyor section

This is an example of a large rotary valve that is selected according to the piping diameter, conveying capacity and materials to be conveyed, of which a large model has been serviced. A welded construction is incorporated, and the bearings and oil seals on the side covers are accordingly of a larger type.

Looks like severe shaft corrosion
Remove the rotor and check inside
Check the side covers as well. Check for unbalanced loads due to the weight
The view of the turbine. Check each blade for proper clearance

Repairs carried out

By properly repairing the mating parts, which are important for rotation, and the inside of the case, which is important for transport capacity, even large machines can be brought back to their original performance. The experience of many servicing operations enables us to identify the right elements to be inspected.

Repair shaft mating parts
Gaps are properly repaired

Assembly and maintenance complete

The repaired parts were brought together and assembled. Once assembled, the vehicle was painted to complete the maintenance. To prevent foreign objects from entering, the doorways are sealed and the truck is loaded onto the truck.

Painted and being loaded, it looks beautiful green. We’ve serviced it well, so keep it moving!
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