Thetys Pumps SRL
Tel: +40 744 595 445
Str. Teheran, nr. 11, sector 1,
011931 Bucuresti, Romania

Because life is fluid.


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Vertical sulfuric acid pump type Ensival Moret VAS – Thetys Pumps
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Vertical sulfuric acid pump type Ensival Moret VAS

Thetys Pumps / Products  / Pumps  / Vertical pumps  / Vertical wet pit pumps / Vertical sulfuric acid pump type Ensival Moret VAS

Vertical sulfuric acid pump type Ensival Moret VAS

Corrosion minimized by design

The VAS pump range has been specifically designed for sulfuric acid pumping applications. Due to its engineered design, the VAS acid pump range minimizes the corrosion wear effect while offering high efficiency and reliability. Superior operational performance has been demonstrated with its longer maintenance-free operation from initial startup.

Main benefits
  • High corrosion resistance due to compact and unique design
  • Wide range of highly corrosion-resistant materials guarantees high durability of the pump
  • Reliable design ensures longer maintenance-free operation
  • Easy assembly and maintenance of the pump
  • Low plant down time due to high reliability
Main applications

The VAS acid pump range has been designed to meet the requirements in H2SO4 plants such as

  • Absorption tower
  • Drying tower
  • Heat recovery system

Vertical acid pump type Ensival Moret VAS

Main design features
  • Symmetrical diffuser casing design minimizes radial loads and shaft deflection ensuring longer pump service life
  • Auxiliary packing rings to prevent acid vapors and minimize corrosion
  • Non-contacting shaft sealing with throttle bushing which reduces head pressure and minimizes leakage overflow
  • Easy assembly and installation of the pump to the tank due to symmetric design with circumferential mounting plate
  • Fully protected bolts against corrosion allow easy assembling and dismantling of the pump
  • High efficiency and low net positive suction head (NPSH) due to closed impeller
Key characteristics
Capacities Capacity up to 4,000 m3/h / 17,500 USgpm
Heads Heads up to 45 m / 148 ft
Pressures Pressure up to 20 bar / 290 psi
Temperatures Temperature up to 150°C / 291°F

Temperature up to 250°C / 480°F (heat recovery)

Maximum speed of rotation Speed of rotation up to 1,800 rpm
Performance range
VAS Performance Range

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