Mark 3 Lo-Flo Overhung Chemical Process Pump

The Durco Mark 3 Lo-Flo pump is designed to improve pump reliability and performance in low-flow, high-head applications. Its innovative radial vane impeller and circular, concentric casing was developed to reduce radial loads and shaft vibration while extending bearing and mechanical seal life.

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  • Brands:
    Durco
  • Applications:
    Coatings (pulp and paper), Acid Transfer, Construction, Water Treatment, Cooling Water, Electronics, FPSO, Food Processing, Solvents, HVAC, Leaching Acid, Polymers, Nuclear Service, OEM, Agriculture, Pharmaceuticals, Automotive, Plating, Galvanizing and Other Coatings, Auxiliary (chemical), Renewable Fuel Production, Caustic and Chlor-alkali, Auxiliary Services (power), Slurry Processing, Bleach Chemical (pulp and paper), Volatile Organic Compounds, Chemical and Liquor (pulp and paper), Water Supply and Distribution (water), Water Supply and Treatment (oil and gas)
  • Industries:
    Power Generation, Primary Metals, Pulp and Paper, Oil and Gas, Chemical Processing, General Industries, Mining, Water Resources
  • Standards:
    ASME (ANSI)

Radial Vane Impeller provides improved performance over a broader application range.

Circular Concentric Casing reduces radial loads and vibration and extends bearing and seal life.

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

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

Metal-to-Metal Construction assures a true running and concentric shaft, extending bearing and mechanical seal life.

Large Shaft and Bearing Components extend bearing life and reduce shaft deflection and vibration.

Features:

  • Offered in a wide range of metallurgy
  • Radial vane impeller
    • Minimal thrust loads
    • Reduced NPSH requirements
    • Low seal chamber pressures
    • Longer seal and bearing life
  • ANSI 3A Power End
    • Certified clean rooom assembly
    • Inpro/Seal's VBX isolators
    • Magnetic drain plug
    • Synthetic oil bath, oil mist, shielded, grease-lube

Operating Parameters

  • Flows to 50 m3/h (220 gpm)
  • Heads to 300 m (1000 ft)
  • Pressures to 30 bar (450 psi)
  • Temperatures from -75°C (-100°F) to 370°C (700°F)

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