Power steering hose
Our company's power steering hose use braided cord strengthened layer, with a deflection of a good and easy to join, low working noise characteristics ,the working temperature is -40 ~ 149 .
The main specifications (nominal inside diameter) are: φ10 × 20mm high-pressure pipe, φ10 × 17mm low-pressure pipe, φ16 × 24mm low-pressure pipe.
products meet the standard: SAE 188, SAE 189
Test item | Test condition | Standard spec | Test results |
I.D. |
| 9.8±0.3mm | 9.610.0 mm |
O.D. |
| 19.8±0.3mm | 19.620.0 mm |
Volumetric expansion | 8.97MPa | 38ml/ft | 6.85ml/ft |
Length change | OMPa10.3MPa | -5%+2% | 1.5% |
Burst | 41.4MPa | 41.4MPa | 57MPa |
Lmpulse | Oil temperature 135±2 ambient temperature 135±6 cycle rate 30~40/min pressure variation 010.3MPa | Impulse freq225000 | 300000 |
Tensile | Tensile speed 30 mm/min | 5337.9N | 9930N |
Adhension | 25.4 mm in wide ring seetion of the bond | ≥44.48N | 63N |
