Description
Sulzer Pump Centrifugal OHHL low flow high head pumps -With specialized hydraulics for stable flow, heavy-duty mounting options, and shared internals from the OHH line
Key Technical Specifications:
| Capacities: | From 1 to 60 m³/h / 4 to 260 US gpm |
| Heads: | from 20 to 450 m / 65–1 500 ft |
| Pressures: | Up to 51 bar / 740 psi |
| Temperatures: | –75 to +425 °C / –100 to +800 °F |
| Discharge Sizes: | From 25 to 50 mm / 1 to 2 inches |
| Maximum Speed of rotation | Up to 3,600 rpm |
Why Choose Sulzer OHHL?
Choose the Sulzer OHHL when your process needs high pressure at low flow. Designed with a unique impeller-diffuser setup, it delivers stable performance without flow gaps. Sharing parts with the larger OHH range, it offers heavy-duty reliability with reduced spares complexity—ideal for critical pump-down or booster applications that demand consistency under pressure
Main Features
Gap-free performance thanks to a unique low-flow impeller-diffuser design
Heavy-duty baseplates rated for 2× ISO 13709 (API 610) nozzle loads
ISO 21049 (API 682) cartridge mechanical seals for leak control and emission reduction
Interchangeable with OHH parts, simplifying maintenance and spare parts inventory
Mounting flexibility: supports grouted , non-grouted , or pre-grouted installations
Applications
Well-suited for:
Seawater booster services in offshore or marine setups
Pump‑around and circulation systems
High-head makeup water duties
Light hydrocarbon and vacuum gas oil (LVGO, HVGO) boosting
