Desmi Rotan Gear Pump

General Purpose

Pumps in cast iron, for clean, non-abrasive liquids. The simple and compact construction makes it a low-cost pump, often used in modified versions by OEM customers.

A close-coupled OEM model is also available (see picture below). GP pumps are designed for use with IEC or NEMA flange motors.

Available with 90° angular configuration.

  Capacity Range:  Up to 50 m3/h / 225 gpm
  Speed: Up to 1750 rpm
  Differential Pressure: Up to 16 bar / 250 psi
  Suction Lift:  Up to 0.5 bar / 15" Hg vacuum while priming
Up to 0.8 bar / 24" Hg vacuum while pumping
  Viscosity Range: Up to 7500 cSt
  Temperature:  Up to 150°C / 300° F
 
 

HD - Heavy Duty

Pumps in cast iron, for a wide range of viscous, non-corrosive liquids. HD pumps are specifically designed for difficult applications and those involving high viscosity liquids.

HD pumps are known by their sturdy and simple construction.

Available with 90° angular configuration.

  Capacity Range:  Up to 170 m3/h / 750 gpm
  Speed: Up to 1750 rpm
  Differential Pressure: Up to 16 bar / 250 psi
  Suction Lift:  Up to 0.5 bar  / 15" Hg vacuum while priming
Up to 0.8 bar  / 24" Hg vacuum while pumping
  Viscosity Range: Up to 250,000 cSt
  Temperature:  Up to 250°C / 500° F
 
 

PD - Petrochemical Duty

PD pumps are designed for refinery and petrochemical applications, all pressure-containing components are carbon steel. Design pressure according to ANSI 300 Lbs or Pn40.

PD pumps are available to meet API 676 standards with exceptions.

Available with 90° angular configuration.

  Capacity Range:  Up to 170 m3/h / 750 gpm
  Speed: Up to 1750 rpm
  Differential Pressure: Up to 16 bar / 250 psi
  Suction Lift:  Up to 0.5 bar  / 15" Hg vacuum while priming
Up to 0.8 bar  / 24" Hg vacuum while pumping
  Viscosity Range: Up to 250,000 cSt
  Temperature:  Up to 250°C / 500° F
 
 

CD - Chemical Duty

Pumps in stainless steel, designed to handle corrosive liquids.

CD pumps are designed for handling corrosive liquids, primarily found in the chemical processing, food and pharmaceutical industries.

Available with 90° angular configuration.

  Capacity Range:  Up to 170 m3/h / 750 gpm
  Speed: Up to 1750 rpm
  Differential Pressure: Up to 16 bar / 250 psi
  Suction Lift:  Up to 0.5 bar  / 15" Hg vacuum while priming
Up to 0.8 bar  / 24" Hg vacuum while pumping
  Viscosity Range: Up to 250,000 cSt
  Temperature:  Up to 250°C / 500° F
 
 

ED - Environmental Duty

Magnetically coupled pumps for ultimate protection against leakage.

As only minimal maintenance is necessary, ED pumps will be a very economical solution compared with traditionally sealed pumps, especially where the application requires the use of double mechanical shaft seals. Often these applications are very arduous resulting in the seals and support system requiring regular attention and/or replacement. Thus, the life cycle costs for ED pumps are generally much lower than for pumps using two seals.

Available with 90° angular configuration.

  Materials:  Cast iron, carbon steel or stainless steel
  Capacity Range:  Up to 90 m3/h / 400 gpm
  Speed: Up to 1750 rpm
  Differential Pressure: Up to 16 bar / 250 psi
  Suction Lift:  Up to 0.5 bar  / 15" Hg vacuum while priming
Up to 0.8 bar  / 24" Hg vacuum while pumping
  Viscosity Range: Up to 10,000 cSt
  Temperature:  Up to 250°C / 500° F
 
 

CC - Close-Coupled

Close-coupled pumps in cast iron, designed for the refrigerator industry. CC pumps are available from size 27 up to size 42.

  Capacity Range:  Up to 6 m3/h
  Speed: Up to 1750 rpm
  Differential Pressure: Up to 5 bar
  Suction Lift:  Up to 0.5 bar  / 15" Hg vacuum while priming
Up to 0.8 bar  / 24" Hg vacuum while pumping
  Viscosity Range: Up to 200 cSt
  Temperature:  Up to 120°C / 240° F
 
     
 
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