Grundfos 92905930 - CR 255-2 A-F-A-E-HQQE | Multistage | Centrifugal | Vertical | Inline

GRUNDFOSSKU: 92905930

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Description

CR 255-2 A-F-A-E-HQQE Vertical, multistage centrifugal pump with inlet and outlet ports on same the level (inline). The pump head and base are in cast iron – all other wetted parts are in stainless steel. A built-in thrust-handling device absorbs hydraulic axial forces which enables the use of a standard motor. The Grundfos cartridge shaft seal ensures high reliability, safe handling, and easy access and service. Power transmission is via a rigid split coupling. Pipe connection is via DIN flanges. The pump is fitted with a 3-phase, fan-cooled asynchronous motor.

EAN 5715121360708
Approvals CE
Bearing 1 WC/WC
Bearing 2 Graflon
Built-in motor protection PTC
Code for rubber E
Code for shaft seal HQQE
Connect code F
Connection PN 16
Cooling IC 411
Curve tolerance ISO9906:2012 3B
Density 62.29 lb/ft³
Enclosure class (IEC 34-5) IP55
Flange size for motor FF500
Frequency converter NONE
Gross weight 2290.0 lb
IE efficiency IE4 95
IE Efficiency class IE4
Impeller Stainless steel
Impellers 0
Insulation class (IEC 85) F
Liquid temperature range -4 .. 248 °F
Low NPSH N
Mains frequency 50 Hz
Material certified according to European standards
Material code A
Material Pricing Group 33
Max pressure at stated temp 232 psi / 250 °F
Maximum ambient temperature 131 °F
Maximum head 335 ft
Maximum operating pressure 16 bar
Minimum efficiency index, MEI ≥ 0.7
Model A
Motor FF500
Motor efficiency at 1/2 load 0.956
Motor efficiency at 3/4 load 0.958
Motor efficiency at full load 1 0.956
Motor standard IEC
Motor type SIEMENS
Net weight 1930.0 lb
Number of poles 2
Number of reduced-diameter impellers 0
Power (P2) required by pump 75 kW
Power factor 1 0.9
Pressure rating for connection PN 16
Pump 75 kW
Pump speed on which pump data are based 2978 rpm
Pump version A
Pumped liquid Water
Rated current 126/73 A
Rated flow 1120 US gpm
Rated head 264.1 ft
Rated power - P2 75 kW
Rated speed 2978 rpm
Rated voltage 3 x 380-420D/660-725Y V
Real Time Delivery date to be confirmed on Sales Order  Update with real time availability and Net price
Rubber E
Selected liquid temperature 68 °F
Size of inlet connection DN 200
Size of outlet connection DN 200
Stages 2
Standard IEC
Starting current 8.5
Support bearing Graflon
Terminal box position 6
Thrust handling device Y
Type SIEMENS
Type of connection DIN
Version A

Motor Curves

Dimensional Drawing

DWiring Diagram

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