Durco Mark 3 pump

Conforming to ASME (ANSI) B73.1, D Series Mark 3 pumps incorporate many proven reliability- and performance-enhancing features. They are available in a wide range of configurations, including mechanically sealed, dynamically sealed, sealless magnetically driven, low-flow, self-priming and recessed impeller. It provides flexibility and breadth of pumping solutions in countless applications.


  • Lower total cost of ownership from reverse vane impeller, which eases  maintenance and provides renewable, high-efficiency performance  over the pumps life

  • Increased reliability and mechanical seal life due to the ideal seal environment seal chamber

  • Ease of maintenance resulting from optimal, predictable seal chamber pressures that are re-established after every impeller setting

  • Extended mechanical seal and bearing life through robust shaft and bearing designs that also minimize shaft deflection

  • Fast and accurate impeller setting with the industry's most innovative external impeller adjustment mechanism

  • In-shop reverse vane impeller adjustment with the only pump that takes full advantage of the back pull-out design


ASME B73.1 Specification for Horizontal End Suction Centrifugal Pumps for Chemical Process

  • Flows to 4540 m³/h (20000 gpm)

  • Heads to 215 m (700 ft)

  • Pressures to 27 bar (400 psi)

  • Temperatures from -75 (-100F) to 370 (700F)

Size Range: 

      Sizes from 25 mm (1 in) to 200 mm (8 in)




        1. Power

    • Conventional  Steam

    • Combined  Cycle

    • Concentrated  Solar Power (CSP)

    • Biomass & MSW

    • Geothermal

    2. Chemicals

    • Basic (Organic & Inorganic)

    • Specialty (Fine & Consumer)

    • Biofuels

    • Pharmaceutical

    • Petrochemicals

    3. Water

    • Water Management

    • Desalination

    4.  Oil & Gas

    • Upstream Exploration & Production

    • Midstream Transportation

    • Downstream Processing


    5. General Industries

    • Pulp &  Paper

    • Mining

    • Food & Beverage

    • Corn Wet  Milling & Ethanol

    • Other  Industries


Pump Model List: