Design
KSB Mega CPK
Horizontal, radially split volute casing pump in back pull-out design to EN 22 858 / ISO 2858 / ISO 5199, single-stage, single-entry, with radial impeller. Also available as variant with “wet” shaft. ATEX-compliant version available.
▪ Volute casing pump
▪ Horizontal installation
▪ Back pull-out design
▪ Single-stage
▪ Meets the technical requirements to ISO 5199
▪ Dimensions and ratings to ISO 2858 complemented by pumps of nominal diameters DN 25, DN 200 and above
Pump casing
▪ Single or double volute, depending on the pump size
▪ Radially split volute casing
▪ Volute casing with integrally cast pump feet
▪ Replaceable casing wear rings (as required)
Impeller type
▪ Closed radial impeller with multiply curved vanes
Shaft seal
▪ Gland packing
▪ Commercial single and double mechanical seals
▪ Commercial cartridge seals
▪ Shaft fitted with a replaceable shaft protecting sleeve in the shaft seal area
Alternative:
▪ Version without shaft protecting sleeve with “wet shaft” (in Europe and
Northern Asia only)
Bearings
Bearings:
▪ Medium-duty
– Radial bearing: cylindrical roller bearing
– Fixed bearing: paired angular contact ball bearings / double-row angular
contact ball bearing
▪ Economy
– Floating bearing assembly: deep groove ball bearings
Lubrication:
▪ Oil lubrication
▪ Grease lubrication
Applications
Handling of aggressive liquids in the chemical and petrochemical
industries as well as in refinery
Overview of technical data
Type of impeller Closed / Radial
Type of installation Long- coupled
Maximum drive rating 90 kW
Impeller material (EN standard) 1. 4593 / 1.4517 / A995GRCD4MC;GP240GH+N/ A216GRWCB;JL1040/ A48CL35
Type of bearing Ball bearings
Drive frequency 50 Hz / 60 Hz
Maximum speed of rotation 4 1/min
Maximum flow rate 1. 160 m³/h
Maximum discharge-side pressure 25 bar
Casing material (EN standard) DUPLEX STAINLESS STEEL 1. 4593/;GREY CAST IRON JL1040 / A48CL3;STAINLESS STEEL 1.4408 / A743;STEEL GP240GH+N/ A216 GR WCB
No. of impeller entries Single entry
Integrated control system Yes
Minimum flow rate 2 m³/h
Suction characteristics Non- priming
Drive voltage Low voltage
Pull-out design Yes
Pump set location Dry installed
Heatable Yes
Max. permissible fluid temperature 400 °C
Main applications Industry and process engineering; Oil / Gas
Type of casing Volute casing
Type of connection Flange
Type of lubrication Grease / Product lubrication
Type of drive Electric motor
Installation position Horizontal
Level indication Grease lubrication
Shaft material (EN standard) ALLOY STEEL 1. 7709+QT+SR;DUPLEX STAINLESS STEEL 1.4462;STEEL C45+N
Type of coupling Direct
Shaft seal type Gland packing; Mechanical seal
Maximum head 162, 00 m
Maximum rated pressure (discharge) PN25
Minimum head 2, 00 m
Nozzle position End suction
Casing partition Radially split
