Datasheet summary
CR-1, CRI-1, CRN-1, CRE-1, CRIE-1, CRNE-1
PDF datasheet mirror for CR-1, CRI-1, CRN-1, CRE-1, CRIE-1, CRNE-1 (Grundfos Pumps). Verify with OEM before design.
Summary
Product identification
This data booklet covers GRUNDFOS vertical multistage centrifugal pumps operating at 50 Hz:
- CR 1
- CRI 1
- CRN 1
- CRE 1
- CRIE 1
- CRNE 1
Mechanical / hydraulic
The document includes performance curves for various pump types (CR 1s, CRI/CRN 1s, CR/CRE 1, CRI/CRN/CRIE/CRNE 1) at 50 Hz and 2900 rpm, conforming to ISO 9906 Annex A. These curves illustrate:
- Flow rate (Q) up to 1.0 m³/h or 2.2 m³/h
- Head (H) up to 220 m
- Pressure (p) up to 2000 kPa
- NPSH (Net Positive Suction Head)
Detailed dimensional sketches and tables for various pump types and stages are provided, including:
CR 1s Series:
- Flange types: Oval flange, DIN flange.
- Connections: Rp 1, G 1/2, PN 25 / DN 25/32.
- Dimensions [mm]: D1, D2, B1, B1+B2.
- Net weight [kg]: For both Oval flange and DIN flange configurations.
CRI/CRN 1s Series:
- Flange types: PJE/CA (FlexiClamp), DIN flange.
- Connections: G 1/2, PN 25 / DN 25/32.
- Dimensions [mm]: D1, D2, B1, B1+B2.
- Net weight [kg]: For both PJE/CA and DIN flange configurations.
CR/CRE 1 Series:
- Flange types: Oval flange, DIN flange.
- Connections: Rp 1, G 1/2, PN 25 / DN 25/32.
- Dimensions [mm]: D1, D2, B1, B1+B2.
- Net weight [kg]: For both Oval flange and DIN flange configurations.
CRI/CRN/CRIE/CRNE 1 Series:
- Flange types: PJE/CA (FlexiClamp), DIN flange.
- Connections: G 1/2, PN 25 / DN 25/32.
- Dimensions [mm]: D1, D2, B1, B1+B2.
- Net weight [kg]: For both PJE/CA and DIN flange configurations.
See the official PDF for exact tabulated values for dimensions and weights across the various pump types and stages.
Electrical
The performance curves include power consumption (P2) up to 0.06 kW. Motor P2 (power output) values listed in the dimensional and weight tables range from 0.37 kW to 2.2 kW depending on the specific pump type and number of stages.
Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the complete OEM PDF datasheet. Contractual data for any project must always match the specific OEM PDF revision used for that project.
Official datasheet (PDF)
Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.