Finish Thompson: Self-Priming Mag-Drive Pumps for Transferring Corrosive Chemicals and Dense Fluids

24.08.2026
Finish Thompson highlights its SP Series pumps, a highly efficient self-priming pump designed for transferring corrosive chemicals and dense fluids, ensuring safe and reliable fluid handling across various stages of production or treatment processes.
Finish Thompson: Self-Priming Mag-Drive Pumps for Transferring Corrosive Chemicals and Dense Fluids

SP Series self-priming mag-drive pumps: Engineered for rapid startup, lower maintenance costs, and safer above-grade chemical transfer. (Image source: Finish Thompson, Inc.)

The pumps are ideally suited for a wide range of industrial applications, including chemical manufacturing and distribution, water and wastewater treatment, oil and gas industry, pulp and paper manufacturing, agricultural chemicals, and mining operations.

The SP Series offers up to 50 percent faster startup times compared to standard end-suction pumps that require external priming. The pumps can reach full operation significantly faster, achieving 18 feet of priming in just 90 seconds, which enhances operational productivity and reduces downtime.

By eliminating the need for manual priming, vacuum pumps, and foot valves, the SP Series reduces maintenance time and costs throughout the pump's lifecycle. On average, these self-priming pumps provide 30 percent lower maintenance costs, translating into reduced short-term and long-term operational expenses for end-users.

The SP Series pumps feature deep-lift capabilities of up to 25 feet, ensuring superior fluid transfer performance. Unlike standard pumps, SP pumps can operate from dry, above-grade installations, making them ideal for applications with deep sumps or challenging installation requirements.

Enhanced safety is another key advantage of the SP Series. The pumps are often installed above the fluid, reducing the risk of hazardous exposure or spillage in chemical or wastewater operations. The sealless mag-drive design enhances operational efficiency and ensures lower maintenance requirements and extended longevity. Furthermore, the mag-drive technology offers run-dry capabilities, providing added insurance against operator errors or system upsets.

Improved reliability stems from the SP Series pumps' ability to perform consistently in harsh environments and variable duty cycles, ensuring long-term performance and reducing the risk of failure.

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