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.