KDB 103
Material
Mild steel + porous sintered copper + PTFE/special packing (black)
Application features
A high PV value material specially developed for oil pumps
Low friction factor and good cavitation and flow corrosion resistance
Suitable for linear, swing, and rotary motion
Higher carrying capacity and higher linear speed
Used in medium and high pressure oil pumps, high-speed oil cylinders, automobile air-conditioning compressors, high-pressure common rail pumps and shock absorbers, etc.
| Characteristics | Unit | Dry friction | Border lubrication | Oil-film lubrication |
| Max. dynamic load | Mpa | 140 | 140 | 140 |
| Max. static load | Mpa | 250 | 250 | 250 |
| Operating temperature | ℃ | -200 ~ +280 | -200 ~ +280 | -200 ~ +280 |
| Max. line speed | m/s | 2.5 | 5.0 | 8.0 |
| Max. PV | m/s·Mpa | Continuous operation 1.8 Intermittent operation 3.6 | 10.0 | 150.0 |
| Friction factor | 0.08 ～ 0.20 | 0.04 ～ 0.12 | 0.02 ～ 0.08 |
