100MM NIPPON PILLAR DOUBLE CARTRIDGE SEALS OVERHAULED

Seal Repair

A rotary equipment service company in Louisiana sent in these two 100mm Pillar seals for repair from a chemical plant. The double seal units had Carbon vs Chrome Oxide on outboard end and Silicon vs Silicon on product side with Viton o’rings. Robco of America machined a new Carbon Graphite seal face and cleaned, polished & relapped the rotary Chrome Oxide seal seat. We produced manufacturing prints for the two Silicon Carbide seal faces that were damaged and had replacements made in 2 weeks (6-8 weeks from OEM). Robco of America fabricated a test jig to carry out a pressure test on the re-assembled seals. Seals were pressure tested to 60 psig for 15 min. with no pressure drop. The seals are now back in operation.

100MM NIPPON PILLAR DOUBLE CARTRIDGE SEALS OVERHAULED

Seal Repair

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