Minning and aggregates

For all heavy duty water applications in the mining and aggregates industries where a vertical pump is desired our pumps are hard at work around the world. Serving the mining industry. Each National Pump produced is an individual pumping system designed to do a specific pumping job. Our pumps can be built to National Standards or built to highly engineered specifications to meet specific requirements. Precisely matched drivers, discharge heads, impellers, bowls and column /shaft assemblies deliver consistent pumping capacity.

We offer a full range of vertical turbine and submersible pumps, water or oil lubricated, of threaded or flanged construction, with capacities to 25,000 GPM and pressures up to 1,500 PSI. All pump models are in stock as standard materials, and they can be customized at the service center level. We also manufacture custom pumps, using special alloys and coatings to suit your specific needs. We have multiple patterns in order to meet special alloy requirements in a timely manner.