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Grundfos CR-H pump ends are centrifugal booster pumps built for  industrial processing, washing and cleaning systems, filtration systems, pressure boosting, water treatment, irrigation and HVAC applications. These horizontal end suction pumps can be installed horizontally in end suction design piping. This back pullout capability makes the pumps easy to remove and service. CR-H pumps ends are made of rugged cast iron. Motor not included. Features: Reliability High efficiency Service-friendly Space-saving Suitable for slightly aggressive liquids High corrosion resistance Single-pump solution making high pressures possible Applications: Industrial / Chemical Processing systems Washing and cleaning systems Pumping of acids and alkalis Filtration systems Water Pressure Boosting Water Treatment HVAC Irrigation GRUNDFOS CR-H SERIES HORIZONTAL CENTRIFUGAL PUMP ENDS Model Comparison Chart Model Discharge (NPT) Suction (NPT) HP Stages GPM Max. Head CR 1-2 H 1" 1-1/2" 1/3 3 12.79 59.3' CR 45-1 H 1-1/2" 3" 10 1 283.85 102.49' CR 1s-2 H 1" 1-1/2" 1/3 3 5.73 50.83' CR 20-1 H 1" 1-1/2" 3 2 113.26 50.68' CR 15-1 H 1" 1-1/2" 2 2 104.45 51.83' CR 10-1 H 1" 1-1/2" 3/4 2 58.43 42.62' CR 5-2 H 1" 1-1/2" 3/4 2 44.93 61.77' CR 3-2 H 1" 1-1/2" 1/3 3 23.81 59.53' CR 32-1 H 1" 1-1/2" 5 1 128.5 62.03' CR 64-1-1 H 1-1/2" 3" 10 1 336.25 80.42' CR 90-1 H 4" 4" 20 1 624.39 120.94' Please note that these models are examples of each CR-H pump end sub series. For a full listing of available models please visit this series' full product listing. PERFORMANCE CURVES DIAGRAM TECHNICAL DATA TROUBLESHOOTING PRODUCT GUIDE Grundfos CR-H Series Centrifugal Pump Ends Product Guide BROCHURE Grundfos CR-H Series Centrifugal Pump Ends Brochure INSTALLATION MANUAL Grundfos CR-H Series Centrifugal Pump Ends Instruction Manual PRODUCT FLYER Grundfos CR-H Series Centrifugal Pump Ends Product Flyer DISMANTLING & REASSEMBLY SERVICE Grundfos CR-H Series Centrifugal Pump Ends Dismantling & Reassembly Service PUMP END ONLY SERVICE MANUAL Grundfos CR-H Series Centrifugal Pump Ends Dismantling & Reassembly Service Pump Products application engineers are standing by to help you find the right pump, as well as to provide price quotes, stocking availability and shipping information. Call our toll free number 1-800-429-0800 to speak to an expert today.