LIQUIDMETAL

protective coatings for pump impellers

High-pressure pumps for use in oil or gas well hydraulic fracturing operations; parts of oilfield wellhead machines, namely, gate valves, ball valves, check valves, plug valves, globe valves, choke and manifold industrial pumps, pump and valve parts, pipe fittings and flanges; shafts for pumps; suction pumps; pump impellers

Repair and maintenance of pumps and parts thereof