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KSB-Rio N / Z N Circulator Pumps with Manual Speed Control

 

Design

KSB-Rio N / RIO Z N

Maintenance-free, glandless wet rotor pump, flanged or screw-ended, with three speed levels; in twin pump design (Rio Z) for standby operation with integrated swing check valve or, on option, peak load operation (parallel operation).

KSB-Rio.N-ZN

Applications

Hot water heating systems, heat recovery systems and cooling circuits in air-conditioning systems.

 

Operating modes

▪ Different speed levels

 

Automatic functions

▪ Full motor protection with integrated trip electronics
(from size 25-70 motor protection to be provided by the
operator)

 

 

Overview of technical data
Type of bearing Plain bearings
Drive Electric motor
Drive frequency 50 Hz / 60 Hz
Type of drive Electric motor
Drive voltage Low voltage
Connection to power supply 400 V, 3~; 230 V, 1~
Impeller material (EN standard) POLYPROPYLEN
Type of installation In- line
Type of coupling None
Type of lubrication Oil / Product lubrication
Max. permissible fluid temperature 120 °C
Nozzle position In- line
Maximum rated pressure (discharge) PN 10
Pump set location Dry installed
Shaft material (EN standard) X 46 CR 13
Suction characteristics Non- priming
Type of casing Volute casing
Type of impeller Closed / Radial
Type of connection Screw- ended, flange
UNSPSC classification 4015150300
Casing material (EN standard) EN- GJL-250
eClass assignment 36410105; 36410101;36410100;36410000
Maximum head 4, 00 m
Installation position Horizontal or vertical
Shaft seal type Seal- less
Main applications Building services; Water
Casing material Cast iron
Maximum discharge-side pressure 10 bar
Type of installation Stationary
Maximum flow rate 76 m³/h
Maximum speed of rotation 2. 800 1/min

 

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