Emergency Agitator Seal Repair
Robco machined a new impeller shaft as well as a new Lightnin mechanical seal shaft due to poor condition. The Lightnin seal had new rotary & stationary Silicon Carbide & Tungsten seal faces installed. All metal sealing surfaces were re-machined & polished on o'ring sealing surfaces. A new lower shaft steady Bushing was fabricated using Carbon Graphite shrink fitted into original housing. Lightnin seal unit was re-assembled & pressure tested to 100 psig.
Complete turnaround on emergency job was 48 hrs.
2.50" Lightnin Agitator seal with 7ft / 2.50" Dia. tank shaft & impeller sent in for repair.
All product side metal parts were badly corroded
2.50" Lightnin agitator seal stripped down
Lightnin seal shaft severely corroded on flange end
Impeller had broken / seized shaft in hub
New shaft machined for Lightnin seal
Lightnin seal repaired & pressure tested to 60 PSIG
Ready to ship out
New 2.50" Dia. X 7ft tank shaft fabricated with impellor attached