CR-3, CRI-3, CRN-3, CRE-3, CRIE-3, CRNE-3

Summary

Product identification

• GRUNDFOS CR 3, CRI 3, CRN 3, CRE 3, CRIE 3, CRNE 3
• Vertical multistage centrifugal pumps

Mechanical / hydraulic

• Performance curves are provided for flow (Q), head (H), pressure (p), and Net Positive Suction Head (NPSH).
• Flow rates (Q) range up to 4.4 m³/h or 1.2 l/s.
• Head (H) ranges up to 240 m.
• Pressure (p) ranges up to 2000 kPa.
• NPSH ranges up to 6 m.
• Pump types covered include -2, -3, -4, -5 (E), -6, -7 (E), -8, -9, -10 (E), -11, -12, -13, -15 (E), -17, -19 (E), -21, -23 (E), -25, -27, -29 (E), -31, -33, -36 (E).
• Nominal speed: 2900 rpm.
• Flange types: Oval flange, DIN flange, PJE/CA, FGJ (DIN-ANSI-JIS) PN 25 / DN 25/32.
• Connection sizes mentioned include G 1/2, Rp 1, ø13.5, 19 x 24.5, M10 x 40, ø13, 19 x 27, ø32, ø42.2, ø59, ø85, ø89, ø105, ø140.
• Dimensions (B1, B1+B2, D1, D2) and net weights are tabulated for various pump types and flange configurations. See the official PDF for exact tabulated values.

Electrical

• Frequency: 50 Hz
• Motor P2 [kW] values include: 0.37, 0.55, 0.75, 1.1, 1.5, 2.2, 3 kW.

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 must always match the specific OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror