Harbor Seal Inc

From humble beginnings in the O-ring/elastomer business, from innovative pump packing to patented modern mechanical seal designs. Located in LA County, we offer new custom designs to suit your particular needs. Harbor Seal is the only seal manufacturer that can make the claim to produce our own silicon carbide from powder to product via our own equipment, our own diamond tools and grinding wheels, as well as wind coil springs, form wave springs, form graphoil, teflon wedges and rings. Subsequent lapping is done on diamond plates of our design and manufacture. Dedicated To Solving Your Fluid Handling Problems With A Capable Selection Of Materials And Designs.