Datasheet summary

CR-20, CRI-20, CRN-20, CRE-20, CRIE-20, CRNE-20

PDF datasheet mirror for CR-20, CRI-20, CRN-20, CRE-20, CRIE-20, CRNE-20 (Grundfos Pumps). Verify with OEM before design.

Summary

Product identification

Product Line: GRUNDFOS
Models: CR-20, CRI-20, CRN-20, CRE-20, CRIE-20, CRNE-20
Type: Vertical multistage centrifugal pumps
Frequency: 50 Hz

Mechanical / hydraulic

Performance Data: Performance curves for head (H), pressure (p), power (P2), efficiency (Eta), and Net Positive Suction Head (NPSH) are provided for both CR/CRE 20 and CRI/CRN/CRIE/CRNE 20 models. These curves are based on 50 Hz operation at 2900 rpm and conform to ISO 9906 Annex A. See the official PDF for exact tabulated values and detailed performance curves.
Dimensions and Weights: Detailed dimensions (D1, D2, D3, B1, B1+B2 in mm) and net weights (kg) are provided for various pump types and motor P2 [kW] ratings.
- CR/CRE 20 Series:
  - Motor P2 ranges from 1.1 kW to 18.5 kW.
  - Dimensions vary by model and flange type (Oval flange, DIN flange).
  - Net weights range from 41 kg (CR(E) 20-1, Oval flange) to 234 kg (CR(E) 20-17, DIN flange).
- CRI/CRN/CRIE/CRNE 20 Series:
  - Motor P2 ranges from 1.1 kW to 18.5 kW.
  - Dimensions vary by model and flange type (PJE/CA, DIN flange).
  - Net weights range from 34 kg (CRI(E)/CRN(E) 20-1, PJE/CA) to 231 kg (CRI(E)/CRN(E) 20-17, DIN flange).
- Common Connection Dimensions:
  - G 1/2 connections are shown.
  - Oval flange (A) details: Rp 2", M12 x 45, ø165, ø127, ø120, ø65, 18 x 21.5, PN 16-25 / DN 50.
  - DIN flange (F) details: 4 x ø13.5, ø18.1, ø165, ø120, ø65, PN 16-25 / DN 50.
  - PJE (P) / CA (Flexiclamp) flange details: 18.5 x 21.8, 4 x ø13, ø165, ø127, ø120.5, ø65, ø50, ø87, ø60.1, PN 16-25 / DN50.
- See the official PDF for exact tabulated values and detailed dimensional sketches.

Electrical

Motor P2 values are listed in the dimension and weight tables, ranging from 1.1 kW to 18.5 kW.

Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the original OEM PDF datasheet. Contractual data must always match the specific OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror

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.