How to chose proper pneumatic airless pump for the painting application?
For the pneumatic pump, there are many different pressure ratio for one model, and the table below can help you for easy understanding the difference between them and choice
the suitable products for your application.
| Air-driven airless sprayer unit | |||
| Model | Pressure ratio | （L/min）Max output | Application |
| DP-6391C | 60:1 | 22 | Suitable for every kind of thick-film high viscosity heavy duty paint and all conventional paints. |
| DP-6391B | 38:1 | 33 | Suitable for zinc rich paints. |
| DP-6391B | 46:1 | 20.8 | Suitable for every kind of thick-film high viscosity heavy duty paint and all conventional paints. |
| DP-6391C | 76:1 | 15 | Suitable for every kind of thick-film high viscosity heavy duty paint and all conventional paints. |
| DP-6C | 65:1 | 12 | Suitable for every kind of thick-film high viscosity heavy duty paint and all conventional paints. |
| DP-6391B | |||
| DP-6391A | 45:1 | 14 | Suitable for low or medium paints. |
| DP-H451 | |||
| DP-6391A | 30:1 | 22 | Suitable for zinc rich paints. |
| DP-301 | 30:1 | 27 | Suitable for wool grease paint, thermo-insulating and sound-deadened paint, PVC sealant. |
| DP-H301 | 30:1 | 24 | Suitable for low or medium paints. |
| DP-451 | 45:1 | 10 | Suitable for low or medium paints. |
| DP-9C | 33:1 | 24 | Suitable for zinc rich paints. |
| DP-H601 | 60:1 | 13 | Suitable for every kind of thick-film high viscosity heavy duty paint and all conventional paints. |
