SPI Vertical In-Line Pump

Vertical In-Line API 610 (OH3 type) Process Pump

SPI Vertical In-Line Process Pump
SPI Vertical In-Line Process Pump
The SPI model is a heavy-duty, vertical in-line, single stage, single suction centrifugal pump designed in accordance to the latest API 610 (OH3 type) standard.

Operation limits

Capacity 2.5 to 615 m³/h (11 to 2,700 gpm)
Head 15 to 290 m (52 to 950 ft)
Maximum Pressure up to 40 bar (600 psi)
Temperature up to 260 °C (500 °F)
Applications Petroleum refining, Oil & gas production and distribution, Petrochemical applications, Chemical and process industries


Ruhrpumpen's SPI is a vertical, single stage, single suction, in-line centrifugal pump in accordance to API 610 latest edition (OH3 type), with mechanical seal chamber in accordance with API 682. It is suitable to be mounted directly into the piping, supported by an integral compact mounting foot.

The SPI pump is designed to handle a wide range of process fluids and has one of the broadest hydraulic coverages in the industry.

  • Radially split, vertical in-line centrifugal pump
  • Foot mounted
  • Single and double volute casings, (depending on size)
  • Single suction, dynamically balanced, closed impeller
  • Thrust compensation by balance holes
  • Side-side in-line nozzle arrangement
  • Materials of construction per API 610

Other materials available on request


Heavy-duty process design according to API 610 latest edition (OH3 type)

  • Separate bearing bracket to absorb all pump thrusts
  • Replaceable wear rings for casing and impeller