When your operation depends on moving massive volumes of fluid reliably, day after day, you need a pump built for the long haul. The Sulman® SM/SMN/SMH/ZPP Series delivers exactly that: single-stage, double-suction, axially split centrifugal pumps engineered for high-volume fluid transport, hydraulic efficiency, and straightforward maintenance — so you spend less time troubleshooting and more time running your process.

Why You'll Choose the Sulman® Split-Case Pump Family

If you're comparing centrifugal pump options for water transport, industrial processing, or heavy-duty cooling applications, here's what sets this series apart for you:

You get easier maintenance, by design. The axially split casing opens horizontally along the shaft centerline, so your maintenance team can lift out the entire upper casing, rotor, and bearings for inspection or repair — without disconnecting your piping network or realigning the motor. That means shorter downtime windows and lower long-term maintenance costs for you.

You get better reliability from the double-suction impeller. Fluid enters symmetrically from both sides of the impeller, which balances axial thrust naturally. For you, this translates into longer bearing life, smoother operation, and impressively low NPSH-required values — even in demanding suction conditions.

You get a shaft that's built to last. With dry shaft construction and replaceable sleeves, the pumped fluid never contacts the shaft directly. You avoid erosion and localized corrosion, which keeps your rotating assembly running longer between overhauls.

You get flexibility to fit your layout. While the standard configuration is horizontal, you can also specify vertical arrangements to work around tight floor plans or marine/offshore installations where footprint is at a premium.

Sulman® Series Comparison — Find the Right Fit for Your Application

Where You'll Put This Pump to Work

• Water & Wastewater: If you're managing raw water abstraction, municipal water treatment, desalination feed boosting, or large-scale agricultural irrigation, this series scales to your volume needs.
• Pulp & Paper: You'll find the Sulman® ZPP especially suited to low-pulse headbox feeding, dilution screening, and handling low-consistency fibrous slurries where flow steadiness is critical.
• Power Generation: For cooling water duty, you can rely on this series to supply fresh water or seawater to your condenser circuits at high capacity.
• Oil & Gas / Marine: Whether you're running onshore cooling loops, offshore seawater lift systems, tank farm pressure boosting, or ship ballast systems, the SMH configuration is built for your heavy-duty environment.

Built Around Your Operational Priorities

Every design choice in the Sulman® SM/SMN/SMH/ZPP Series comes back to what matters to you on the ground: uptime, serviceability, and hydraulic performance you can count on at scale. If you're upgrading a legacy installation or specifying a pump for a new project, this series gives you a proven axially split, double-suction platform sized to your flow, head, and compliance requirements.