SULZER Ensival Moret VAS Vertical Sulfuric Acid Pump

SULZER

The Ensival Moret VAS pump series consists of vertical process pumps specifically designed for sulfuric acid transfer applications. Thanks to its engineering-focused design, it minimizes the effects of corrosion while providing high efficiency and superior operational reliability.

With its compact and optimized hydraulic design, the pump operates reliably and without maintenance for extended periods from the moment of initial commissioning. It offers a long service life and low operating costs in critical processes in sulfuric acid plants.

“Maximum reliability in corrosive fluids: long service life, high efficiency and minimum maintenance requirements”

Technical Information

  • Capacity: 4,000 m³/h
  • Head height: 45 m
  • Pressure: 20 bar
  • Heat:
    • 150 °C (standard applications)
    • 250 °C (heat recovery applications)
  • Maximum speed: 1,800 rpm

Features

  • High corrosion resistance thanks to its compact and customized design.
  • With a wide range of corrosion-resistant material options.
  • The symmetrical diffuser housing design reduces radial loads and shaft deflection, extending service life.
  • Corrosion is minimized with the help of sealing elements that prevent acid vapors.
  • Leakage and pressure loads are reduced thanks to the contactless shaft sealing design.

Related Applications

The Ensival Moret VAS pump series is specifically designed for the following processes in sulfuric acid plants:

  • Absorption towers
  • Drying towers
  • Heat recovery systems
  • Sulfuric acid transfer processes
  • Chemical and petrochemical plants