YD's combination pump ( gear type ) YDCP-4 is mainly mounted on fuel dispensers, high quality, endurable.

It has advantages as
| Technical performance: | |
| Packing size | 410mmx330mmx400mm |
| Collocate motor | 0.75Kw |
| Speed | 830rpm |
| Flow rated | 50L/min |
| Dry degree of vacuum | ≥0.054MPa |
| Noise level | ≤70dB |
| Output pressure | 0.18MPa-0.35MPa |