Innomag/Flowserve
Sealless, Non-Metallic, Mag-Drive Pumps
Innomag, a brand under Flowserve, specializes in producing sealless, non-metallic, mag-drive pumps. Notably, Innomag TB-Mag Pumps represent a pinnacle in sealless, non-metallic, and magnetically driven pump technology.
Innomag pumps mark a significant advancement in pump technology as they are the first pumps to achieve full thrust balance while excelling in solids handling capability. These pumps combine the advantages of sealless design with exceptional material handling capabilities. This innovation is particularly transformative for industries like metals processing and power generation, where pumps encounter abrasive materials that can compromise traditional mechanical shaft seals.
The ingenious Innomag design eliminates the need for mechanical shaft seals, resulting in zero friction loss and eliminating the potential for leaks originating from seal-related issues. Furthermore, the Innomag design boasts self-priming capabilities, obviating the necessity for an external prime mover to reach operating speed before initiating the pumping process. This means reduced energy wastage as prime movers no longer idle while waiting for starters to engage and commence operations.
For more information and expert guidance on Innomag pumps and how they can benefit your application, please don't hesitate to contact Centro's product experts. We're here to assist you in finding the ideal pumping solutions for your needs.
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- INNOMAG pumps are sealless, magnetically driven chemical process pumps designed to be fully contained / hermetically sealed, minimizing leaks and fugitive emissions.
- The most referenced is the INNOMAG® TB-MAG™ (Thrust-Balanced) series, built around a dynamic thrust balancing system.
- INNOMAG’s thrust balancing eliminates net axial thrust and reduces dependence on thrust bearings, improving reliability and extending operating range.
- The TB-MAG line is positioned for ASME (ANSI) B73.3 and ISO 2858 dimensional/standard alignment.
- Max flow: 1585 gpm (360 m³/h); Max head: 500 ft (153 m); Max pressure: 362 psi (25 bar); Max power: 100 hp (75 kW) @ 3600 rpm; Temp range: -29°C to 121°C (-20°F to 250°F).
- Yes, TB-MAG literature calls out “true solids handling capability,” with guidance such as up to 30% solids by volume and particle size up to ~6.4 mm (~1/4") (limited by what fits through the impeller vanes).
- TB-MAG lists 0.5 to 300 cP viscosity capability.
- Like most sealless mag-drive designs, INNOMAG notes sealless pumps rely on the process fluid for cooling and lubrication, so extended dry running is typically a bad idea, use the IOM for the series to confirm limits.
- INNOMAG’s bulletin frames the root cause as bearing failure due to inadequate lubrication (process fluid not staying clean/liquid), and positions thrust balancing as improving “upset forgiveness” by protecting the bearing environment.