Main applications

  • Advanced treatment / 3.stage
  • Auxiliary Systems
  • Energy
  • Fire fighting and sprinkler systems
  • Industry engineering
  • Nuclear Power Stations

Technical data

Q max 468.0 m³/h
H max 163.0 m


Horizontal, long-coupled, single-stage volute casing pump in back pull-out design. Replaceable shaft protecting sleeves and casing wear rings.


Sprinkler systems to VdS and fire protection.

Further technical information about CPKN-SX

Overview of technical data

Q (50Hz) 82.0 – 468.0 (m³/h)
H (50Hz) 84.0 – 163.0 (m)
Type of bearing Ball bearings
Casing partition Radially split
Drive frequency 50 Hz /60 Hz
Type of drive Electric motor, turbine, I.C. engine
Drive voltage Low voltage
No. of impeller entries Single entry
Impeller material (EN standard) 1,4408
Type of installation Long-coupled
Type of coupling Direct
Type of lubrication Oil lubrication
Max. permissible fluid temperature 20
Nozzle position End suction
Maximum operating pressure 25 BAR
Pull-out design Yes
Pump set location Dry installed
Shaft material (EN standard) 1.4057, 1.4462
Suction characteristics Non-priming
Suitable for drinking water Yes
Type of impeller Radial, Closed, Multi-vane impeller
Type of connection Flange
Casing material (EN standard) JS1025
eClass assignment 36410101, 36410000, 36410100
Shaft seal type Mechanical seal, Gland packing
Main applications Industry and process engineering, Building services, Water
Casing material Cast iron
Maximum discharge-side pressure 25.0 (bar)
Maximum drive rating 250.0 (kW)
Type of installation Stationary
Maximum speed of rotation 2980.0 (1/min)