What We Do

We manufacture our own complete line of Cartridge, Assembly style Mechanical Seals for Industrial Pumps, Compressors, Mixers, Agitators, Reactors and Beadmill units.

We can repair / replace all makes & models of Mechanical Seals used on Pumps / Compressors / Mixers / Agitators / Reactors & Beadmill units. Custom Design / Manufacture Mechanical Seals for any application to increase run cycles. Provide Fluid Sealing Solutions for all industries.

We also provide Custom Engineered parts made from Tungsten Carbide, Silicon Carbide, Ceramic - for use in Shaft Steady Bushings / Wear Plates and many other industrial applications.

3.00” Double Mixer Seal sent in for emergency repair from chemical plant
in Pasadena Texas. Rotary Silicon Carbide seal faces were worn & chipped out. Stationary
product end Silicon Carbide seat was worn and chipped.
Rotary seal sleeve was worn and pitted on o’ring sealing surfaces, new sleeve required.
This seal has Kalrez o’rings on product end due to elevated operating temps. (+400F).
Robco of America had a repair kit on the shelf for this emergency overhaul. Seal was
turned around in (2) working days.

Double Mixer Seal
Mixer Seal Needs Repair

Chemical plant in North Carolina sent a failed 100mm Double Mixer Seal in for replacement.
We reverse engineered and provided a replacement mechanical seal unit. We upgraded the
product side seal faces to Tungsten vs Silicon from original Silicon vs Carbon. Seal has
been back in operation for 2 yrs.

Robco manufactured a new 4.00” double seal unit and reverse engineered the worn out
lower shaft steady bushing assembly. Robco oversaw the installation of both the
seal & bushing unit.

3.75" Robco EV05 single spring cartridge seals installed on (2) split case pumps – ready
to transport to North Carolina.

1.75" Robco seals being installed at airport fuel depot in Louisiana.

Thrust bearing & Pivot shoe set repaired & relapped flat within two Helium Light bands
for Deepwell Submersible Pump operating in Gulf of Mexico.

4.00" Robco EV07 Double Cartridge Seal being installed on a Reactor unit at a
chemical plant in south Texas.