Durco Mark 3 ISO Recessed Impeller, Overhung, Chemical Process Pump

The Durco Mark 3 ISO Recessed Impeller pump provides low-shear pumping of friable solids and trouble-free pumping of stringy or fibrous slurries. Solids are drawn into the vortex of swirling liquid and discharged by centrifugal force with only a fraction of the media contacting the impeller.

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  • Brands:
    Durco, IDP, Flowserve
  • Applications:
    Hydraulic Press (metals), HVAC, Leach Fields, Agriculture, Leaching Acid, Automotive, OEM, Auxiliary (chemical), Pharmaceuticals, Auxiliary Services (power), Plating, Galvanizing and Other Coatings, Bleach Chemical (pulp and paper), Polymers, Caustic and Chlor-alkali, Renewable Fuel Production, Chemical and Liquor (pulp and paper), Sewage Collection and Treatment, Coatings (pulp and paper), Shipping, Construction, Slurry Processing, Desalination, Solvents, Dewatering and Water Supply (mining), Waste Processing, Electronics, Water Supply and Distribution (water), Food Processing, Water Treatment, Acid Transfer
  • Industries:
    Chemical Processing, General Industries, Mining, Water Resources, Primary Metals, Pulp and Paper, Power Generation
  • Standards:
    ISO
  • Misc:

Vortex Action causes only a fraction of the media to contact the impeller, minimizing abrasive wear and maintaining solids integrity.

Standard Semi-Open Impeller in CD4MCuN duplex stainless steel provides excellent corrosion and wear resistance.

SealSentry Seal Chambers extend seal life and provide advanced self-flushing capability.

External Micrometer Impeller Adjustment Mechanism accurately sets impeller clearance in 20 seconds, in the shop or in the field.

Back Pullout Design allows removal of rotating element without removing casing, piping or motor.

Operating Parameters

  • Flows to 750 m3/h (3300 gpm)
  • Heads to 100 m (330 ft)
  • Pressures to 25 bar (365 psi)
  • Temperatures from -80°C (-110°F) to 350°C (660°F)

 

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