Grundfos CR 15-9 — material number 99917485 — is a 9-stage Grundfos CR vertical multistage centrifugal pump with a 20 HP, 3-phase, 208-230/460 V NEMA TEFC motor and a HQQE shaft seal.
With 9 stages this build produces a high 765 ft of head (85 GPM, ~331 psi). It's the standard size for high-pressure RO feed, taller commercial buildings, and applications requiring 200+ psi discharge.
Specifications
| Model | CR 15-9 |
| Stages | 9 |
| Flow at BEP | 85 GPM |
| Head at BEP | 765 ft (~331 psi) |
| Shutoff head (approx.) | 918 ft |
| Motor | 20 HP, 3-phase, 208-230/460 V, NEMA TEFC on 254TC frame |
| Shaft seal | HQQE (SiC/Carbon EPDM) |
| Materials | Cast iron head/base; 304 SS chambers and impellers |
| Material number (P/N) | 99917485 |
| Shipping weight | 392 lbs |
| Frequency | 60 Hz |
| Brand | Grundfos |
| Country of origin | Denmark / USA (varies by date code) |
Dimensions
| Approximate dimensions (vertical pump) | |
|---|---|
| Overall height (pump + motor) | 57.4 in |
| Pump body height (9 stages) | 45.4 in |
| Base height (stage 0) | 17.5 in |
| Added height per stage | 3.1 in |
| Motor frame | See spec table above |
| Mounting | Vertical foot-mounted |
| Motor orientation | Vertical with NEMA motor stool above pump head |
Note: Dimensions are approximate and based on the Grundfos CR 15 data booklet. Exact dimensions vary slightly by motor frame and base style. For certified installation drawings of this specific material number, request a quote and we'll provide the official Grundfos dimensional drawing.
Pipe Connections
The Grundfos CR 15 series is available with multiple connection types to match your installation requirements. Connection sizes for this series:
| Connection options | |
|---|---|
| Standard pipe connection (oval flange) | 2 inch NPT |
| ANSI flange size | 2 inch |
| ANSI flange class | 250 lb |
| Inlet / outlet orientation | Suction and discharge on the same horizontal centerline (in-line) |
Companion connections (gaskets, bolts, ANSI flanges or Victaulic couplings) are ordered separately. Contact ForeverPure for the matched connection kit part numbers for your specific configuration.
Available Configurations / Material Numbers
The CR 15-9 ships in several phase, voltage, and seal combinations. Material numbers for the most common variants:
| Phase / Voltage | Seal | Motor HP | Weight | Material Number |
|---|---|---|---|---|
| 3-phase, 208-230/460 | HQQE | 20 HP | 392 lbs | 99917485 |
| 3-phase, 208-230/460 | HQQV | 20 HP | 392 lbs | 99917496 |
Typical Applications
- Boiler feed water in industrial steam plants
- Cooling tower makeup water
- High-rise commercial pressure boosting
- HVAC chilled water circulation
- Fire protection jockey pump
- Light industrial process water
Datasheet & Documentation
- Grundfos CR/CRI/CRN North America Data Booklet (PDF)
- CR/CRI/CRN/CRT Installation & Operating Instructions (PDF)
- CR Service Manual (PDF)
Frequently Asked Questions
- What is the maximum head/flow of the Grundfos CR 15-9?
- The CR 15-9 produces approximately 765 ft of head at 85 GPM (best efficiency point), with a shutoff head of about 918 ft. That corresponds to roughly 331 psi at the BEP.
- What is the Grundfos CR 15-9 material number / part number?
- The primary material number for this configuration (3-phase 208-230/460, HQQE seal) is 99917485. Other voltage and seal options are listed in the variants table on this page.
- Which motor does the Grundfos CR 15-9 use?
- This SKU ships with a 20 HP, 3-phase, 208-230/460 V NEMA TEFC motor on a 254TC frame. Other motor configurations and IE3/IE5 upgrades are available on request.
- Can the Grundfos CR 15-9 be paired with a variable frequency drive (VFD)?
- Yes. Order the matching E-Pump variant with integrated MLE permanent-magnet motor, or pair this fixed-speed pump with a Grundfos CUE external VFD.
- What is the typical lead time for the Grundfos CR 15-9?
- Many configurations of the CR 15 series ship from stock through Grundfos USA. Contact ForeverPure Place for the current lead time on this specific material number (99917485).
Related Products
- Browse all Grundfos CR 15 stage configurations
- All CR, CRI, CRN vertical multistage pumps
- Complete Grundfos catalog