Description
The Grundfos 96531684 (CR 1S-3 A-A-A-E-HQQE) is a Vertical Multistage Centrifugal Pump. Cast iron head and base, stainless steel wetted parts. Used in water supply, pressure boosting, HVAC, and industrial liquid transfer. Nominal performance: 3.96US gpm at 47.9ft. Rated 220-230/240V, 1.0-Phase, 50 Hz. Applications include HVAC: Heating, HVAC: Air Conditioning, Plumbing: Pressure Boosting and more.
Vertical Multistage Design
Multiple stages in series deliver high head at compact footprint. CR handles up to 60 bar and flow ranges from 0.5 to 900 m³/h across the series range.
Stainless Steel Wetted Parts
All parts in contact with the pumped fluid are stainless steel — impeller, shaft, chamber. Cast iron is used only for the head and base which never contact the fluid.
QuickTight Connection System
No special tools needed for coupling. Integrated coupling design reduces installation and service time.
Wide Configuration Range
Available in 60+ frame sizes and 16 impeller variants. CR can be configured for almost any pressure/flow combination in commercial and industrial water systems.
Authorized Grundfos Distributor
PumpStop supplies genuine Grundfos CR pumps with full manufacturer warranty and factory-trained technical support.
Contact PumpStop for Sizing
The CR family covers a wide operating range. Contact PumpStop to confirm the correct model, voltage, and frequency for your system.
| Model Number | 96531684 |
| Product Series | CR |
| Series Description | Vertical Multistage Centrifugal Pump |
| Power | 0.5HP |
| Voltage | 220-230/240V |
| Phase | 1.0-Phase |
| Frequency | 50 Hz |
| Motor Speed | 2770rpm |
| Pump Speed | 2757rpm |
| Full Load Current | 2,95/2,70A |
| Motor Type | 71B |
| Motor Protection | PTO |
| Motor Efficiency | 60.0-56.0% |
| Insulation Class | F |
| Protection Class (IP) | IP55 Dust/Jetting |
| Nominal Flow | 3.96US gpm |
| Nominal Head | 47.9ft |
| Max Operating Pressure | 232.06psi |
| Max Fluid Temperature | 248°F |
| Max Ambient Temperature | 104°F |
| Inlet Connection | 1inch |
| Outlet Connection | 1inch |
| Pipe Pressure Rating | PN 16 |
| Pipe Standard | Oval / Rp |
| Impeller Material | Stainless steel |
| Housing Material | Cast iron |
| Shaft Seal | HQQE |
| Approvals / Certifications | CE, EAC, UKCA, SEPRO |
| Electrical | Verify supply voltage, phase, and frequency match nameplate before installation: 220-230/240V, 1.0-Phase, 50 Hz. |
| Temperature limits | Do not exceed max fluid temperature 248°F or max ambient temperature 104°F. Exceeding limits damages seals and motor insulation. |
| Dry running | Do not run dry. CR pumps use the pumped fluid to lubricate the shaft seal. Dry running destroys the seal within seconds. Install dry-run protection on all automatic installations. |
| Maintenance | Refer to the Grundfos Installation and Operating Manual (IOM) for correct installation, commissioning, and maintenance. Contact PumpStop for documentation. |
- EAN
- 5700397319550
- Applications
- Industrial applications
- Approvals
- CE
- Approvals for drinking water
- WRAS
- Bearing 1
- SIC
- Built-in motor protection
- PTO
- Code for rubber
- E
- Code for shaft seal
- HQQE
- Connect code
- A
- Connection
- PN 16
- Curve tolerance
- ISO9906:2012 3B
- Density
- 62.29 lb/ft³
- Enclosure class (IEC 34-5)
- 55 Dust/Jetting
- Flange size for motor
- FT85
- Frequency converter
- NONE
- Gross weight
- 48.1 lb
- Impeller
- Stainless steel
- Impellers
- 0
- Insulation class (IEC 85)
- F
- Liquid temperature range
- -4 .. 248 °F
- Low NPSH
- N
- Mains frequency
- 50 Hz
- Material code
- A
- Material Pricing Group
- 6
- Max pressure at stated temp
- 232 psi / 250 °F
- Maximum ambient temperature
- 104 °F
- Maximum head
- 59.71 ft
- Maximum operating pressure
- 16 bar
- Minimum efficiency index, MEI ≥
- 0.54
- Model
- A
- Motor
- FT85
- Motor efficiency at full load 1
- 60.0-56.0 %
- Motor standard
- IEC
- Motor type
- 71B
- Net weight
- 42.2 lb
- Number of poles
- 2
- Number of reduced-diameter impellers
- 0
- Power (P2) required by pump
- 0.37 kW
- Power factor 1
- 0.99
- Pressure rating for connection
- PN 16
- Product family
- CR 1S
- Pump
- 0.37 kW
- Pump speed on which pump data are based
- 2757 rpm
- Pump version
- A
- Pumped liquid
- Water
- Rated current
- 2.95/2.70 A
- Rated flow
- 3.96 US gpm
- Rated head
- 47.9 ft
- Rated power - P2
- 0.37 kW
- Rated speed
- 2770 rpm
- Rated voltage
- 1 x 220-230/240 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
- 1 inch
- Size of outlet connection
- 1 inch
- Stages
- 3
- Standard
- IEC
- Starting current
- 2.8
- Type
- 71B
- Type of connection
- Oval / Rp
- Version
- A
Dimensional Drawing
Wiring Diagram
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Couplings (Service kit instruction)
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