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ARO CF-8 End Suction Pump for Data Centers

Corrosion‑Resistant, High‑Head Pumping for Critical Data Center Cooling

The ARO CF‑8 End Suction Pump is a stainless steel end suction centrifugal pump engineered for demanding data center cooling and fluid transfer applications. Designed with investment‑cast 316 stainless steel wetted components, it offers excellent resistance to corrosion, chemical additives, and thermal cycling commonly found in data center environments.

This centrifugal pump for data center systems delivers high head capability in a compact footprint, making it ideal for chilled water circulation, specialty cooling loops, and chemically treated water systems.

Key technical highlights include:

  • Maximum flow: up to 79.5 m³/h (350 GPM)
  • Maximum head: up to 88 m (290 ft)
  • Fluid ports (inlet / outlet): 3" x 1‑1/2" 150# ANSI flange
  • Material of construction: investment‑cast 316 stainless steel
  • Impeller: 8.0" (203.2 mm) enclosed, cast 316 stainless steel
  • Motor power: up to 22 kW (30 HP)

The CF‑8 combines hydraulic efficiency, material durability, and configuration flexibility—key decision criteria for mission‑critical data center operations.

Designed for Reliable Data Center Operation

The ARO CF‑8 End Suction Pump belongs to ARO’s stainless steel centrifugal pump portfolio and is specifically suited for data center cooling systems where fluid quality, reliability, and long service life are essential.

Unlike standard semi‑open impeller designs, the CF‑8 uses an enclosed impeller that delivers significantly higher heads and improved hydraulic efficiency. Multiple impeller trims allow precise matching of the pump curve to the actual operating point of a data center cooling loop, helping reduce energy consumption and avoid oversizing.

All wetted components—including the casing, impeller, and drive sleeve—are manufactured from investment‑cast 316 stainless steel, providing excellent resistance to chlorides, chemical inhibitors, and temperature variations typically present in data center chilled water systems.

The pump is not self‑priming and is designed for flooded suction installations, which aligns well with standard data center mechanical room layouts.

  • Investment‑cast 316 stainless steel wetted components
  • Enclosed 8.0" impeller for high head and improved efficiency
  • Multiple impeller trims to match exact data center duty points
  • Standard Type 2100 mechanical seal (carbon / ceramic / Viton)
  • Multiple optional seal materials for aggressive fluids
  • Close‑coupled, pedestal, and PumPAK® configurations
  • Stainless steel drive sleeve for enhanced wear resistance
  • Corrosion resistance: ideal for chemically treated data center cooling water
  • High head capability: supports vertical distribution and extended piping runs
  • Energy optimization: impeller trimming reduces unnecessary power consumption
  • Installation flexibility: adapts to new builds or retrofit data center projects
  • Maintenance confidence: standardized seal design and service kits available
  • Lower total cost of ownership: durable materials extend service life
  • Chilled water circulation in data center cooling plants
  • Secondary cooling loops for high‑density server areas
  • Chemical dosing and conditioning systems in data center infrastructure
  • OEM‑integrated cooling skids for modular data center deployments
  • Corrosion‑sensitive circuits in hyperscale and colocation data center facilities
  • Close‑coupled motor frames: 184TC, 215TC, 256TC, 284TSC, 286TSC
  • PumPAK® (pump without motor) for custom motor integration
  • Pedestal‑mounted versions
  • Optional tapped ports for seal flush or recirculation
  • Hydraulic motor‑driven or shaft‑driven pedestal configurations

The following specifications are verified from official documentation.

  • Pump type: End suction centrifugal pump
  • Suction / discharge: 3" x 1‑1/2" 150# ANSI flange
  • Maximum flow: up to 79.5 m³/h (350 GPM)
  • Maximum head: up to 88 m (290 ft)
  • Impeller: 8.0" (203.2 mm) enclosed, cast 316 stainless steel
  • Material of construction: 316 stainless steel (wetted parts)
  • Motor power: up to 22 kW (30 HP)
  • Seal: Standard Type 2100 carbon / ceramic / Viton
  • Drive sleeve: 316 stainless steel
  • Drive options: 
    • Close‑coupled
    • Pedestal
    • PumPAK® (without motor)
  • Priming: Flooded suction required (not self‑priming)

Why Choose ARO for Data Center Pumping Solutions?

With more than 95 years of expertise, ARO is a trusted partner for fluid handling solutions in critical environments, including data center facilities. The ARO CF‑8 End Suction Pump reflects ARO’s commitment to reliability, material excellence, and long‑term performance—helping data center operators protect uptime, efficiency, and peace of mind.

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