Mining slurry pumps in Pilbara rely on oil-free lubricated seals to combat abrasive silica at 40% solids, featuring chrome oxide plasma-sprayed faces for 5000-hour life. No oil eliminates separation tank needs, simplifying pit-lane maintenance. HNBR O-rings energize the assembly, resisting cyanide leach solutions at pH 10. Perth specialists engineer labyrinth non-contacting variants f... https://globalsealstech.com/product-category/oil-gas-seals/oil-free-lubricated-pump-seals/