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Technical Tips & Information
Grundfos Pumps
Grundfos offers a broad range of pumps for a wide range of applications. Highlights include-CR, CRN Series
Multistage centrifugal pumps
Technical Data
Flow max 638 gpm
Head max (feet) 1588
Head working pressure 735 psig
Maximum temperature 350 F
Applications
Boiler feed systems
Heating and cooling systems
Water supply systems
Water treatment systems
Fire fighting systems
Process applications
Also offered in Titanium construction
CR, CRE Series Multistage variable speed pumps
Technical Data
Flow max 450 gpm
Head max (feet) 790
Head working pressure 435 psig
Maximum temperature 248 F
Applications
Boiler feed systems
Heating and cooling systems
Water supply systems
Water treatment systems
Fire fighting systems
Process applications
Also offered in Titanium construction
Small UP, UPS Wet-Rotor, In-Line, Single Stage Circulator Pump
Technical Data
Flow max 0-46 gpm
Head max (feet) 0-37
Head working pressure 145 psig
Maximum temperature 230 F
Applications
Circulation of water in
Heating systems
Cooling and air conditioning systems
Cast iron construction
3-speed models available
Variable speed models available
Single-Stage, In Line Centrifugal Pumps
Technical Data
Flow max 600 gpm
Head max (feet) 180
Head working pressure 175 psig
Maximum temperature 104 F
Applications
Hot or cold water HVAC system
Domestic hot water booster service
Direct coupled NEMA-C face motor
431 stainless steel pump shaft
Stainless steel impeller and shaft seal
Shaft seal options for application
Low starting torque for long service
Multistage Centrifugal Pumps
Also Offered with Variable Speed
Technical Data
Flow max 70 gpm
Head max (feet) 265
Head working pressure 145 psig
Maximum temperature 248 F
Applications
Process and HVAC applications
Domestic water system booster service
Compact design
Low noise
Suitable for slightly aggressive liquids
Variable speed drive option
Submersible Well Pumps
Sizes 3, 4, 6, 8, 10
Technical Data
Flow max 1400 gpm
Head max (feet) 2100
Install depth 1968
Maximum temperature 140 F
Applications
Ground water supply
Soft start motor
Over and under voltage protection
Stainless steel construction for long life
High starting torque
Overload protection