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High-pressure pump

CDLF20-12+CDH20-17

CDLF + CDH · 50 Hz

CDLF20-12+CDH20-17 is a high-pressure pump from the CNP CDLF + CDH range (50 Hz). Rated 33.5 kW, 10–28 m³/h, head 242–392 m. Net weight 372 kg.

  • CDLF feeds, CDH boosts: up to 48 bar in series
  • R/O and ultra-filter systems, high-pressure flushing
  • PJE coupling inlet and outlet

Performance curve Curve-based

0123450123Flow Q (m³/h)Head H (m)CDLF20-12+CDH20-17: Q 1 m³/h, H 392 mCDLF20-12+CDH20-17: Q 12 m³/h, H 386 mCDLF20-12+CDH20-17: Q 14 m³/h, H 378 mCDLF20-12+CDH20-17: Q 16 m³/h, H 368 mCDLF20-12+CDH20-17: Q 18 m³/h, H 355 mCDLF20-12+CDH20-17: Q 2 m³/h, H 339 mCDLF20-12+CDH20-17: Q 22 m³/h, H 318 mCDLF20-12+CDH20-17: Q 24 m³/h, H 296 mCDLF20-12+CDH20-17: Q 26 m³/h, H 271 mCDLF20-12+CDH20-17: Q 28 m³/h, H 242 m

Efficiency, shaft power and NPSHr are not published for this model in the source catalogue.

Head versus flow at 50 Hz, 2900 rpm, clean water. Source: Performance table, printed pp. 25–26.

Flow (m³/h)Head (m)
10392
12386
14378
16368
18355
20339
22318
24296
26271
28242

Dimensions & weight

B2 = 500B1 = 965B1+B2 = 1465D1 = 330D2 = 255Net weight: 372 kg
Outline drawn in proportion to this model's catalogue dimensions (simplified, only the labelled dimensions are shown). Codes match the table; confirm against the approved CNP drawing before installation.
CodeDescriptionValue
B1lower section height: base to motor flange965 mm
B2upper section height: motor500 mm
B1+B2overall height1465 mm
D1motor diameter330 mm
D2base / flange width255 mm
D3D3350 mm
—Net weight372 kg

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