VCT Vertical Circulating Pumps

Mixed and Radial Flow Circulating Pumps (VS1 type)

VCT Vertical Circulating Pumps - Ruhrpumpen
VCT Vertical Circulating Pumps - Ruhrpumpen
Vertical Circulating Pumps by RP
Vertical Circulating Pump HX by Ruhrpumpen
The VCT product line includes the HX, KX, MX, RX, SX, TR, VMF, VX and WX pump models for Wet Pit Applications.

Operation limits

Capacity up to 68,137 m³/h (300,000 U.S. gpm)
Head up to 100 m (330 ft)
Maximum Pressure up to 20 bar (285 psi)
Temperature -30 °C to 135 °C (-20 °F to 275 °F)
Applications Conventional Steam, Combined Cycle, Integrated Gasification Combined Cycle, Cooling Towers, General Offshore, Crude Handling and Treatment, Heavy Oil and Upgrading, Water Injection, Water Handling and Treatment, Circulating Water, Geothermal Energy.


Ruhrpumpen's VCT pump models are vertically suspended, single case, mixed or semi-radial flow, single or multistage pumps. If required, they can comply with API 610 latest edition (VS1 type) and with barrel/can they become model VMT pump (VS6 type).

  • Mixed flow discharge elbow
  • All metal three-piece adjustable coupling
  • Thrust pot installation capability
  • Large stuffing box for easy maintenance
  • Heavy-duty flanges
  • Flanged column bearings
  • Sleeve type coupling
  • Open line shaft, self-lubed
  • Flanged top case bearing
  • Semi-open, open or closed impeller according to conditions of service
  • War rings for flow efficiency and long service life
  • Suction bell
  • Space saving due to vertical installation
  • Engineered to customer specifications
  • Wide range of impeller designs
  • Integral bearing retainer
  • Sizes 500 mm (20 in) to 3,000 mm (120 in)
  • Optional pull-out design for ease in maintenance
  • Pump mounted thrust bearings when required
  • Cast Iron (standard)
  • Ductile Iron
  • 410 Stainless Steel
  • 316 Stainless Steel
  • Duplex
  • Super Duplex
  • Aluminum Bronze
  • Nickel Aluminum Bronze
  • Copper – Tin Bronze

Discharge Head Options:

  • Above and below ground discharge installation
  • Mechanical seal can be furnished
  • All metal four piece coupling available

Column Options

  • Pull out design for maintenance, accessibility, and dismantling ease
  • Barrel / Can assembly is available to meet API and ISO standards

Bowl Assembly Options:

  • Flanged bearing - A bearing on the top case hub to provide maximum support and alignment to the impeller
  • Double suction enclosed impeller as a first stage can be mixed (using our double suction volute pump) in our KX and RX pumps
  • Vane grating flow modifier can be installed in the suction bell for improving efficiency and represents cost savings