The Grundfos CRNE 1 Variable-Speed 316 Stainless E-Pump (CRNE 1) is part of the Grundfos CRNE range, engineered in All 316L stainless with E-motor. Drive: Integrated MLE IE5 permanent-magnet motor with onboard variable frequency drive (VFD). Used in RO high-pressure feed with variable recovery and similar applications.
Specifications
| Construction | All 316L stainless with E-motor |
| Motor | Integrated MLE IE5 permanent-magnet motor with onboard variable frequency drive (VFD) |
| Brand | Grundfos |
| Model | CRNE 1 |
| Country of Origin | Denmark / USA (varies by model) |
Materials of Construction
All AISI 316L stainless steel wetted parts; FKM elastomers standard
Typical Applications
- RO high-pressure feed with variable recovery
- chemical dosing
- brackish water boosting
- ultrapure pharmaceutical
- hot oil transfer
Datasheets & Manuals
Industries & Applications
The Grundfos CRNE 1 is widely deployed across these industries and use cases:
- Swro with proportional recovery control
- Brackish water ro with variable production
- Corrosive process water with vfd control
- Hot oil transfer with vfd
Related & Compare
Frequently Asked Questions
- What materials of construction are available for the CRNE 1?
- All AISI 316L stainless steel wetted parts; FKM elastomers standard
- What applications is the Grundfos CRNE 1 suitable for?
- RO high-pressure feed with variable recovery, chemical dosing, brackish water boosting, ultrapure pharmaceutical, hot oil transfer
- 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 CRNE 1 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 CRNE 1?
- 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 CRNE 1 configuration, NEMA motor, materials or seal type? Contact our pump engineering team for sizing assistance, pricing and lead times.
Accessories for This Pump
Commonly specified alongside Grundfos E-pumps. Send us your pump nameplate and we will confirm the correct part for your exact build and voltage before you order.
- RPI Inlet Pressure Sensor
Inlet pressure protection with low-suction shutdown. 
VFS Flow & Temperature Sensor
Flow and temperature feedback to the pump’s onboard controller.- RPS Pressure Sensor
Discharge pressure feedback for constant-pressure booster control.
Building-automation connectivity
This pump accepts a Grundfos CIM interface card (or an external CIU box) to report to a BMS or PLC. All eight are the same card with a different protocol — choose the one your building system speaks:
CIM/CIU 100 GENIbus · CIM/CIU 150 PROFIBUS DP · CIM/CIU 200 Modbus RTU · CIM/CIU 250 Modbus TCP · CIM/CIU 300 BACnet MS/TP · CIM/CIU 500 EtherNet/IP · CIM/CIU GRM · CIM/CIU LonWorks