Description
The Grundfos 97740546 (CRN 45-5-2 H-G30-A-V-HQQV) is a Inline multi stage pumps — Horizontal multistage end-suction pumps. Nominal performance: 231US gpm at 423.9ft.
Why This Product
Genuine Grundfos Parts and Accessories
Genuine Grundfos replacement parts and accessories are manufactured to the same specifications as the original components — ensuring correct fit, correct function, and maintenance of original pump performance.
OEM Quality — Maintains Warranty Coverage
Using genuine Grundfos replacement parts maintains pump warranty coverage where applicable. Third-party parts may void warranty coverage and can cause performance changes and premature failure.
Compatibility Confirmed
Grundfos accessories and replacement parts are tested for compatibility with specific Grundfos pump models. Part numbers are model-specific — always verify using your pump's model number and serial number.
PumpStop Expert Support
Not sure if this is the right part for your pump? Contact PumpStop with your pump model number and serial number — our team will confirm compatibility before you order.
| Nominal Flow | 231US gpm |
| Nominal Head | 423.9ft |
| Max Operating Pressure | 435.11psi |
| Max Fluid Temperature | 194°F |
| Frequency | 60 Hz |
| Pump Speed | 3525rpm |
| Inlet Connection | 3inch |
| Outlet Connection | 2inch |
| Pipe Pressure Rating | PN 40 |
| Impeller Material | Stainless steel |
| Housing Material | Stainless steel |
| Shaft Seal | HQQV |
| Model Number | 97740546 |
| Product Series | CRN 45-5-2 |
| Model Code | CRN 45-5-2 H-G30-A-V-HQQV |
| Electrical | Requires correctly rated supply — , 60 Hz. Install with correctly rated circuit protection and motor starter. |
| Temperature limits | Do not exceed max fluid temperature 194°F. Operating outside these limits will damage seals and motor insulation. |
| Dry running | Do not run dry. CRN 45-5-2 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 intervals. Contact PumpStop for documentation. |
Motor Curves
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