Mark 3 ASME (ANSI) Standard Overhung Chemical Process Pump

The Durco Mark 3 pump is recognized as the worldwide leader in ANSI chemical process pumps. This ASME (ANSI) B73.1 design offers the industry's most advanced design features for maximum Mean Time Between Planned Maintenance (MTBPM).

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  • Brands:
    Durco
  • Applications:
    Desalination, Food Processing, Dewatering and Water Supply (mining), Sewage Collection and Treatment, Drilling and Production, Shipping, Water Treatment, Electronics, Slurry Processing, FPSO, Volatile Organic Compounds, Gas Treating and Sulfur Recovery, Waste Processing, HVAC, Water Supply and Distribution (water), Pharmaceuticals, Heavy Oil, Oil Sands and Shale, Water Supply and Treatment (oil and gas), Acid Transfer, Polymers, Automotive, Hydraulic Press (metals), Agriculture, Auxiliary (chemical), LNG, Auxiliary Services (power), Leaching Acid, Bleach Chemical (pulp and paper), Solvents, Chemical and Liquor (pulp and paper), Nuclear Service, Coatings (pulp and paper), OEM, Caustic and Chlor-alkali, Construction, Offsites and Waste Treatment, Cooling Water (metals), Plating, Galvanizing and Other Coatings, Renewable Fuel Production
  • Industries:
    Pulp and Paper, Water Resources, Chemical Processing, Primary Metals, Mining, Oil and Gas, Power Generation, General Industries
  • Standards:
    ASME (ANSI)

Unique Reverse Vane Impeller is the only impeller design that offers repeatable pump performance throughout the life of the pump.  

SealSentry Seal Chambers feature unique flow modifiers to extend seal life and provide advanced self-flushing capability.

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

Largest Shaft and Bearing Components in standard ASME pumps extends bearing life and reduces shaft deflection and vibration.

 

Operating Parameters

  • Flows to 1680 m3/h (7400 gpm)
  • Heads to 215 m (700 ft)
  • Pressures to 27 bar (400 psi)
  • Temperatures from -75°C (-100°F) to 370°C (700°F)

Mark 3 ANSI Standard, Overhung Pump Chart

Mark 3 ANSI Standard, Overhung Pump App

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Description: The PolyChem GRP pump is a single stage, end suction, centrifugal pump designed to ANSI/ASME B73.5 M Standards. With corrosion resistance superior to more expensive and highly-alloyed metals and costs closer to that of ductile iron, the PolyChem GRP pump has proven to be the low-cost, long-term solution in acidic and chloride-rich applications.

Mark 3 Lo-Flo Overhung Chemical Process Pump

Description: 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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Description: The Durco Mark 3 In-Line pump exceeds ANSI B73.2M design criteria. This space-saving design utilizes the industry-leading Mark 3A power end and other Mark 3 advanced features for maximum Mean Time Between Planned Maintenance (MTBPM).

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Description: Conforming to ISO 2858 dimensional and ISO 5199 design criteria and incorporating advanced features, the CPX chemical process pump provides unmatched performance and reliability. This ruggedly designed pump offers significant operational and maintenance enhancing benefits to minimize the total cost of pump ownership.

Mark 3 Group 4 Chemical Process Pump

Description: Designed to complement the Flowserve Mark 3 ANSI pump product line, the new Mark 3 Group 4 design offers flow rates to 4540 m3/h (20 000 US gpm), well beyond traditional ANSI sizes. Outside the scope of the ANSI performance and dimensional requirements, the Group 4 is designed for maximum reliability and efficiency in demanding applications.

Guardian Overhung Magnetic Drive Chemical Process Pump

Description: The Flowserve Guardian is a horizontal, magnetic drive pump, compliant with ASME B73.1 dimensional standards. The Guardian is designed for simplicity and reliability for emission-free service requirements. The Guardian pump uses a Mark 3 casing and impeller for proven, consistent hydraulic performance.

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