Main applications rph-ro

  • Desalination
  • Industry engineering
  • Water
  • Watertreatment

Technical data

  • Q max 2,500.0 m³/h
  • H max 110.0 m

Design rph-ro

Horizontal radially split volute casing pump for dry installation, made of super-duplex stainless steel.

Application pump rph-ro

Booster pump for RO seawater desalination systems.

Drive pump rph-ro

▪ Fixed bearing
▪ Paired angular contact ball bearing (triple bearing
▪ Axial movement of the rotor limited to 0.5 mm maximum
▪ Oil bath lubrication
▪ Optional: oil mist lubrication

Desing Details pump rph-ro

Pump casing

▪ Volute casing with integrally cast pump feet
▪ Centreline pump feet
▪ Single or double volute, depending on the pump size
▪ Radially split volute casing
▪ Axial inlet nozzle, tangential discharge nozzle pointing vertically upwards.
(From DN 250 / from impeller diameter 500 / pump size
200-401: radial discharge nozzle pointing vertically upwards)
▪ Volute casing with casing wear ring
▪ Casing cover (with casing wear ring, as required)

Impeller type

▪ Closed radial impeller
▪ Impeller with impeller wear ring on the suction side

Shaft seal

▪ KSB mechanical seal


▪ Uncooled


▪ Volute casing pump
▪ Horizontal installation
▪ Back pull-out design
▪ Single-stage

Overview of technical data rph-ro

Q (50Hz)0.0 – 2,500.0 (m³/h)
H (50Hz)0.0 – 110.0 (m)
Type of installationLong-coupled
Casing material (EN standard)SUPER-DUPLEX
Shaft seal typeMechanical seal
Main applicationsWater
Maximum speed of rotation3500