L3V / L3U (L3VF / L3VG / L3UF / L3UG)

Leistritz L3VF / L3VG / L3UF / L3UG three-screw, single-volute, self-priming positive displacement pumps for very high and ultra-high pressure duty, suitable for slightly abrasive and corrosive, high or low viscosity fluids with poor or good lubricity. Flow rate up to 180 m³/h (792 GPM), differential pressure up to 200 bar (V) or 280 bar (U), viscosity up to 1,000 cSt, pumping temperature up to 280 °C. Interchangeable casing insert (VG / UG), wear-resistant coatings available, magnetic drive and semi-submersible designs available.

Key technical parameters

• Flow rate: up to 180 m³/h (792 GPM)
• Differential pressure: up to 280 bar (U) / 200 bar (V)
• Fluid temperature: up to 280 °C
• Viscosity: up to 1,000 cSt
• Design: three screw, single volute, self-priming; interchangeable casing insert (VG / UG)
• Installation: Horizontal, vertical or semi-submersible
• Drive: Electric motor, hydraulic motor or combustion engine
• Seal: single shaft seal; magnetic drive available

Media handled

• Liquids: Lubricating oil, Fuel oil, Diesel, Oil (mineral)
• Media properties: Low viscosity, High viscosity, Abrasive, Corrosive

Applications and industries

• Booster, injection and fuel oil injection
• Hydraulic and jacking
• Seal oil, cooling / circulating, export
• Blending