Grundfos CRN 185-4-3 A-F-A-E-HQQE

The CRN pump is an inline multi-stage pump, available in a wide variety of flow and pressure sizes. Manufactured from high quality AISI 316 stainless steel, the CRN is well suited for a variety of applications including; reverse osmosis, ultrafiltration, oils, acids and bases, process water systems and process treatment of a wide variety of challenging fluids.

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Extensive product information

Applications

• Air conditioning
• Heating in commercial buildings/industry
• Pressure boosting in commercial buildings
• Wash and clean
• Cooling
• Industrial process water treatment
• Dirty water
• Drinking water treatment
• Irrigation
• Water distribution

Features and benefits

• Can be used for a wide range of applications
• Highly efficient
• High hydraulic efficiency
• Suitable for challenging liquids and situations
• Suitable for liquid temperatures up to 180°C at a maximum of 25 bar (optional)
• Maintenance-friendly
• Highly corrosion resistant
• Space-saving design

Specifications

Productnaam CRN 185-4-3 A-F-A-E-HQQE
Productnummer 99143741
EAN nummer 5712607562106

Materials

Pump housing Stainless steel
EN 1.4408
Impeller Stainless steel
EN 1.4401
Material code A
Code for rubber E.
Lower WC/WC
Support bearing Graflon
Thrust treatment device SiC/WC
Material certified according to European standards

Installation details

Maximum ambient temperature 55 ° C
Maximum operating pressure 25 bar
Max. pressure at permissible temp 25 bar / 120 °C
Type of connection DIN
Size of the suction connection DN 200
Pressure connection size DN 200
Pressure stage for pipe connection PN 25
Flange size of the motor FF500
Code for pipe connection F.

Medium

Fluid handled Water
Liquid temperature range -40 .. 120 °C
Medium temperature during operation 20 ° C
Density 998.2 kg / m³

Electrical data

Motor standard IEC
Engine type SIEMENS
IE efficiency class IE3
Rated power – P2 75 kW
Power (P2) required for pump 75 kW
Mains frequency 50 Hz
Nominal voltage 3 x 380-420D / 660-725Y V.
Rated current 135-125/78.0-72.0 A
Starting current 680-680 %
Cos phi - power factor 0.89
Rated speed 2975 rpm
Efficiency IE3 94.7%
Motor efficiency at rated load 94.7-94.7 %
Engine efficiency at 3/4 power 94.8-94.8 %
Engine efficiency at half power 94.1-94.1 %
Pool number 2
Enclosure class (IEC 34-5) IP55
Insulation class (IEC 85) F.
Motor protection PTC
Engine No. 83U15240

Other information

Net weight 855 kg
Gross weight 1020 kg
Transport volume 2.49 m³
Thrust Treatment Device Y
Country of origin DK
HS code 84137075
Frequency converter NONE

Grundfos CRN 185-4-3 A-F-A-E-HQQE