Lightnin Double Mixer Seal Emergency Repair + New Impellor Shaft Machined

Emergency Agitator Seal Repair

2.50" Lightnin agitator seal assembly with old 7ft. long shaft & impeller assembly sent in for emergency 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.

Work Rendered for Emergency Repair

mixer seal

2.50" Lightnin Agitator seal with 7ft / 2.50" Dia. tank shaft & impeller sent in for repair.

mixer seals

All product side metal parts were badly corroded

mixer seal

2.50" Lightnin agitator seal stripped down

mixer seal

Lightnin seal shaft severely corroded on flange end

mixer seal

Impeller had broken / seized shaft in hub

mixer seal

New shaft machined for Lightnin seal

mixer seal

Lightnin seal repaired & pressure tested to 60 PSIG

mixer seal

Ready to ship out

mixer seal

New 2.50" Dia. X 7ft tank shaft fabricated with impellor attached