Main benefits
  • Heavy-duty construction
  • Specifically designed for molten sulfur applications
  • High-quality materials, highly reliable and efficient design ensure longer mean time between maintenance and minimized total cost of ownership
Main applications

The VSF pump range is perfectly suitable for the following applications:

  • clean or dirty molten sulfur
  • constant temperature applications in various industries
Main design features
  • Open or vortex impellers
  • No sealing required
  • No intermediate bearing
  • Steam jacket column and discharge pipe to maintain optimal required temperature
  • Extended length design available
  • Reliable worldwide proven design
Key characteristics
Capacities up to 300 m3/h / 1’300 USgpm
Heads 160 m / 500 ft.
Pressures up to 20 bar / 290 psi
Temperatures up to 180°C / 350°F
Higher capacities and heads available upon request.
  • Metals
    Sulzer’s pumping and mixing solutions for the metal industry are designed for corrosive and abrasive liquids. We offer expertise e.g. for the production of aluminum, copper, nickel, zinc, and precious metals.

  • Fertilizers
    Our pumps, mixers and agitators provide durability and reliability for fertilizers production as well as for corrosive and abrasive liquids and high gas content. Our specific industry experience also includes separation processes and servicing of pumps, compressors, turbines, and motors.

  • Chemicals
    Sulzer improves quality, capacity, and energy efficiency with its advanced technologies and services for separation processes; including distillation, absorption, evaporation, extraction and crystallization. Our pumps, mixers, and agitators cover the specific requirements in chemical processes.

  • Gas processing
    We offer broad expertise and experience in gas processing. Our pumps, mixing, and separation technologies are applied in process gas scrubbing, gas drying, gas purification, gas fractionation, condensate stabilization, and gas-liquid separation. We also offer services for rotating equipment.

  • Refining
    Our experience with separation processes in refineries provides you innovative solutions for reliable and efficient operations. Our pumps fulfill the latest ISO 13709 (API 610) standards and cover a broad range of requirements. Refineries can also rely on our services for compressors and turbines.
Related products
  • Vertical acid pump type Ensival Moret VAS
    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.

  • Heavy-duty cantilever sump pump type Ensival Moret VAP
    The VAP vertical cantilever sump pump is especially suited for heavy-duty applications. The wide range of designs, hydraulics and materials makes it adaptable for all types of severe applications.

  • VM vertically suspended sump pump
    The design of the VM vertically suspended sump pump includes a wide range of hydraulics. This makes it perfect for several industrial applications for pumping sump and corrosive liquids and slurries.
Case Studies and articles
  • Pumping equipment in phosphate fertilizer processes
    Pumps are at the heart of phosphate fertilizer production, and correct equipment selection that takes into consideration hydraulic design, materials of construction, application knowledge, duty point and maintenance regime are critical to achieving reliable long-term pumping operation and maximum plant production. Read the whole article.

  • Case studies
    Wherever fluids are pumped, mixed, controlled or applied, we are there. See how our solutions create value for customers and learn how we can make your pumping and mixing processes more efficient and profitable, safeguarding your production and ensuring lasting reliability.
Contact us