Stainless steel horizontal single-stage centrifugal pump
ZS65-50-125/4.0
ZS (stainless horizontal) · 60 Hz · also listed as ZS65-50-125/6 4.0
ZS65-50-125/4.0 is a stainless steel horizontal single-stage centrifugal pump from the CNP ZS (stainless horizontal) range (60 Hz). Rated 4 kW, 5–60 m³/h, head 14–25 m. Net weight 54 kg.
- Five sizes, ZS50-32 to ZS100-80, 35 models at 50 Hz and 34 at 60 Hz
- Flow up to 200 m³/h, head up to about 68 m, 1.1 to 37 kW two-pole motors
- Liquid from -20 to +100 °C, system pressure up to 10 bar
Performance curve Curve-based
Efficiency, shaft power and NPSHr are not published for this model in the source catalogue.
Head versus flow at 60 Hz, 3450 rpm, clean water. Source: Performance table, PDF p. 10.
| Flow (m³/h) | Head (m) |
|---|---|
| 5 | 25.3 |
| 10 | 25.2 |
| 20 | 24.5 |
| 30 | 23.2 |
| 40 | 20.8 |
| 50 | 18 |
| 60 | 14.1 |
Dimensions & weight
| Code | Description | Value |
|---|---|---|
| DN1 | inlet bore | 65 mm |
| DN2 | outlet bore | 50 mm |
| A1 | A1 | 118 mm |
| A2 | A2 | 98 mm |
| D1 | inlet bolt circle | 145 mm |
| D2 | outlet bolt circle | 125 mm |
| D3 | inlet flange outer diameter | 185 mm |
| D4 | outlet flange outer diameter | 160 mm |
| n1 | inlet flange bolt holes (Ø18) | 4 |
| n2 | outlet flange bolt holes (Ø18) | 4 |
| a | a | 86 mm |
| a1 | a1 | 45 mm |
| H | overall height | 365 mm |
| H1 | shaft height | 172 mm |
| H2 | outlet flange top | 338 mm |
| L1 | base plate length | 570 mm |
| L2 | L2 | 490 mm |
| L3 | base plate width | 330 mm |
| L4 | L4 | 290 mm |
| L5 | L5 | 242 mm |
| L6 | overall width | 250 mm |
| — | Net weight | 54 kg |