The Grundfos CRN 3 Vertical Multistage 316 Stainless Steel Pump (CRN 3) is part of the Grundfos CRN range, engineered in All 316L stainless steel. Drive: Fixed-speed NEMA TEFC motor, 60 Hz. Used in Reverse osmosis high-pressure feed and similar applications.
Specifications
| Construction | All 316L stainless steel |
| Motor | Fixed-speed NEMA TEFC motor, 60 Hz |
| Brand | Grundfos |
| Model | CRN 3 |
| Country of Origin | Denmark / USA (varies by model) |
Materials of Construction
All AISI 316L stainless steel wetted parts (head, base, chambers, impellers, shaft); FKM or EPDM elastomers
Typical Applications
- Reverse osmosis high-pressure feed
- seawater pretreatment
- chemical processing
- ultrapure water
- potable water boosting
- food/beverage CIP
- pharmaceutical water systems
Datasheets & Manuals
Frequently Asked Questions
- What materials of construction are available for the CRN 3?
- All AISI 316L stainless steel wetted parts (head, base, chambers, impellers, shaft); FKM or EPDM elastomers
- What applications is the Grundfos CRN 3 suitable for?
- Reverse osmosis high-pressure feed, seawater pretreatment, chemical processing, ultrapure water, potable water boosting, food/beverage CIP, pharmaceutical water systems
- Can this pump be supplied with a variable frequency drive (VFD)?
- Yes - either order the matching E-Pump variant with integrated MLE motor (CRE / CRIE / CRNE / CME), or pair the fixed-speed pump with a Grundfos CUE external VFD.
- What shaft seal options are available?
- Standard HQQE (carbon/SiC with EPDM) for cold/warm water and HQQV (carbon/SiC with FKM) for hot water and aggressive media. Cartridge double seals available for hazardous duty.
- Is dry-run protection available?
- Yes - the Grundfos LiqTec sensor mounts inside the pump head and shuts down the pump if it detects dry running. Standard on most CRE configurations.
- Is the Grundfos CRN 3 available with stock or quick-ship lead times?
- Many configurations ship from stock through Grundfos USA. Contact ForeverPure Place for current lead time on your specific configuration.
- How do I get a quote for the Grundfos CRN 3?
- Use the Request Quote button on this page, call our sales team, or email sales@foreverpureplace.com with model, voltage, materials, seal type and quantity.
Need help selecting the right CRN 3 configuration, NEMA motor, materials or seal type? Contact our pump engineering team for sizing assistance, pricing and lead times.
