Grundfos CRN 5-12 — material number 99917094 — is a 12-stage Grundfos CRN vertical multistage centrifugal pump with a 5 HP, 3-phase, 208-230/460 V NEMA TEFC motor and a HQQE shaft seal.
With 12 stages this build produces a high 780 ft of head (30 GPM, ~337 psi). It's the standard size for high-pressure RO feed, taller commercial buildings, and applications requiring 200+ psi discharge.
Specifications
| Model | CRN 5-12 |
| Stages | 12 |
| Flow at BEP | 30 GPM |
| Head at BEP | 780 ft (~337 psi) |
| Shutoff head (approx.) | 936 ft |
| Motor | 5 HP, 3-phase, 208-230/460 V, NEMA TEFC on 182TC frame |
| Shaft seal | HQQE (SiC/Carbon EPDM) |
| Materials | All AISI 316L stainless steel wetted parts |
| Material number (P/N) | 99917094 |
| Shipping weight | 114 lbs |
| Frequency | 60 Hz |
| Brand | Grundfos |
| Country of origin | Denmark / USA (varies by date code) |
Dimensions
| Approximate dimensions (vertical pump) | |
|---|---|
| Overall height (pump + motor) | 50.5 in |
| Pump body height (12 stages) | 38.5 in |
| Base height (stage 0) | 14.5 in |
| Added height per stage | 2.0 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 CRN 5 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 CRN 5 series is available with multiple connection types to match your installation requirements. Connection sizes for this series:
| Connection options | |
|---|---|
| Victaulic / PJE coupling | 1-1/4 inch PJE coupling (Victaulic-type) |
| ANSI flange size | 1-1/4 inch |
| ANSI flange class | 300 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 CRN 5-12 ships in several phase, voltage, and seal combinations. Material numbers for the most common variants:
| Phase / Voltage | Seal | Motor HP | Weight | Material Number |
|---|---|---|---|---|
| 1-phase, 208-230 | HQQE | 5 HP | 170 lbs | 99917014 |
| 3-phase, 208-230/460 | HQQE | 5 HP | 114 lbs | 99917094 |
| 1-phase, 208-230 | HQQV | 5 HP | 170 lbs | 99917034 |
| 3-phase, 208-230/460 | HQQV | 5 HP | 114 lbs | 99917114 |
| 1-phase, 208-230 | HQQE | 5 HP | 157 lbs | 99916976 |
| 3-phase, 208-230/460 | HQQE | 5 HP | 104 lbs | 99917055 |
| 1-phase, 208-230 | HQQV | 5 HP | 157 lbs | 99916995 |
| 3-phase, 208-230/460 | HQQV | 5 HP | 104 lbs | 99917075 |
Typical Applications
- Seawater reverse osmosis (SWRO) high-pressure feed
- Brackish water RO and booster
- Ultrapure water (UPW) for semiconductor fabs
- Pharmaceutical purified water (USP) loops
- Chloride-bearing chemical transfer
- Food-grade hot CIP
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 CRN 5-12?
- The CRN 5-12 produces approximately 780 ft of head at 30 GPM (best efficiency point), with a shutoff head of about 936 ft. That corresponds to roughly 337 psi at the BEP.
- What is the Grundfos CRN 5-12 material number / part number?
- The primary material number for this configuration (3-phase 208-230/460, HQQE seal) is 99917094. Other voltage and seal options are listed in the variants table on this page.
- Which motor does the Grundfos CRN 5-12 use?
- This SKU ships with a 5 HP, 3-phase, 208-230/460 V NEMA TEFC motor on a 182TC frame. Other motor configurations and IE3/IE5 upgrades are available on request.
- Can the Grundfos CRN 5-12 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 CRN 5-12?
- Many configurations of the CRN 5 series ship from stock through Grundfos USA. Contact ForeverPure Place for the current lead time on this specific material number (99917094).
Related Products
- Browse all Grundfos CRN 5 stage configurations
- All CR, CRI, CRN vertical multistage pumps
- Complete Grundfos catalog