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HMS DeLium double suction pumps

HMS DeLium double suction pumps


The HMS DeLium is a new generation of the double suction pumps with axially split volute casing designed by contemporary computer modeling techniques with consideration of the modern requirements to energy consumption and reliability.

A wide model range and application of at least two interchangeable impellers for one casing size enables to choose a pump for any customer requirements within up to 10,000 m3/h capacity up to 200 m pressure head.

The pumps can be operated in parallel and regulated by the variable speed drives.

The climatic conditions admit application of the pumps within -60°С to +60°С temperature range.


APPLICATION

Water supply, treatment and heating systems, oil & gas, nuclear & thermal power, chemical industry, pulp & paper, general industrial processes, agriculture & irrigation, firefighting, desalination, shipbuilding.


TECHNICAL DATA
  • Capacity: up to 10,000  m3/h
  • Head: up to 200 m
  • Efficiency: up to 91.5%
  • Maximum operation pressure: up to 25 kgf/cm2 (25 bar)
  • Connecting flanges: DN125...DN800


MATERIALS OF THE MAIN PUMP ELEMENTS

Pumped media Casing and impeller materials Sealing type
Water and similar liquids

temperature: +1 ... +105 °С,
up to +150 °С optionally


  • Cast Iron
  • Nodular Cast Iron
  • Carbon Steel
  • Stainless Steel
  • Gland seal
  • Single mechanical seal
Oil & petroleum products

temperature: +1 ... +105 °С
density: 700 ... 1050 kg/m3
viscosity: 100 cSt

  • Carbon Steel
  • Stainless Steel
  • Duplex Stainless Steel (26% Cr)
  • Single mechanical seal
  • Double mechanical seal of a cartridge type
Chemically active fluids

pH: 1 ... 11
temperature: +1 ... +85 °С
  • Ni-resist Cast Iron
  • Stainless Steel
  • Duplex Stainless Steel (26% Cr)
  • Single mechanical seal
  • Double mechanical seal of a cartridge type


DESIGN FEATURES AND ADVANTAGES

  • Flow path with optimized hydraulics
  • Low energy consumption
  • Exceptionally low NPSH
  • Shaft is completely isolated from the pumped media to reduce corrosion 
  • Double volute casing reduces the radial load on the shaft and bearings
  • Available in version with replaceable wear-resistant wearing rings of impeller
  • DIN/ANSI/ISO-compliant suction and discharge flanges with in-line arrangement
  • Self-aligning casing cover sealed with a liquid gasket for easy assembling
  • A wide range of applicable materials for the main pump parts
  • Reduced distance between bearings 
  • Application of the highly unified spare parts for different pump sizes significantly reduces the cost of maintenance
  • Additional corrosion-resistant coating of the flow path to increase the pump efficiency and reduce erosive wearing    

BEARINGS

  • Standard or heavy duty bearings
  • Lifetime over 100 000 hours
  • Grease or oil bath lubrication including  option with oil cooling         
  • Installation spots for temperature and vibration sensors

SHAFT SEAL

  • Gland seal
  • Unbalanced single-acting mechanical seal for operation pressure below 16 bar
  • Balanced mechanical seal for operation pressure over 16 bar
  • Double-acting mechanical seal of a cartridge type
  • Hydrocyclones for the barrier fluid cleaning


SERIES DESIGNATION
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PERFORMANCE RANGE

Общие поля характеристик HMS_DeLium_QH (англ ).jpg


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