Overview
The YVm series is Yoking’s in-house vertical multistage design covering the same curve envelope as CDL, with hydraulic optimization for cost and specific operating points. Pick YVm when the customer is not tied to Grundfos-CR dimensional compatibility and wants the sharpest price for a given duty.
Stainless hydraulic parts (SS304 standard, SS316 optional), cartridge mechanical seal, EPDM / FKM O-ring options.
Typical Applications
- High-rise water supply
- Industrial closed-loop boosting
- Reverse-osmosis feed
- Irrigation main-line boosting
- Boiler feed
- Chemical dosing boost
- Fire system jockey / high-head modules
YVm vs CDL
- YVm — Yoking hydraulics, overlapping curve envelope with CDL, often more competitive on price.
- CDL(F) — internationally interchangeable dimensions (Grundfos-CR compatible). Pick CDL when the customer specifies “CR equivalent” or is replacing a CR unit.
Operating Window
| Item | Rating |
|---|---|
| Flow | 1 – 160 m³/h |
| Head | 10 – 250 m |
| Liquid temp. | −15 °C to +120 °C |
| Max. system pressure | 25 bar (PN25) |
| Duty | S1 continuous |
Range Matrix
| Nominal flow | Motor kW | Head (2 – 25 stages) |
|---|---|---|
| YVm 2-xx | 0.37 – 1.5 | 10 – 180 m |
| YVm 5-xx | 0.55 – 3 | 15 – 200 m |
| YVm 10-xx | 1.5 – 7.5 | 20 – 210 m |
| YVm 20-xx | 3 – 15 | 25 – 220 m |
| YVm 45-xx | 7.5 – 22 | 30 – 210 m |
| YVm 90-xx | 15 – 37 | 30 – 200 m |
| YVm 160-xx | 30 – 45 | 30 – 150 m |