Bus AC Hose High Temperature Resistant for Bus Engine Compartment JUNZE
Product Details
| Sizes and Performance Parameters of Air Conditioning Hose for Bus (4 Layers) | ||||||||||
| Number | Dimension. mm | Inch | I.D. mm | O.D. mm | Wall Thickness mm | Wall Diff Max.mm | Work Pressure | Burst Pressure Min.MPa | Bend Rad | Weight. |
| A19 | 19.0 | 3/4" | 18.5±0.5 | 27.5±0.6 | 4.5 | 0.5 | 3.5 | 15.0 | 105 | 428 |
| A22 | 22.2 | 7/8" | 22.0±0.5 | 30.0±0.5 | 4.0 | 0.6 | 3.5 | 15.0 | 125 | 420 |
| A28.5 | 28.5 | 9/8" | 28.5±0.5 | 40.0±0.5 | 5.75 | 0.6 | 1.5 | 12.0 | 150 | 831 |
| Sizes and Performance Parameters of Air Conditioning Hose for Bus (5 Layers) | ||||||||||
| Number | Dimension. mm | Inch | I.D. mm | O.D. mm | Wall Thickness mm | Wall Diff Max.mm | Work Pressure | Burst Pressure Min.MPa | Bend Rad | Weight. |
| C19 | 19.0 | 3/4" | 18.5±0.5 | 27.5±0.6 | 4.5 | 0.5 | 3.5 | 15.0 | 105 | 428 |
| C22 | 22.2 | 7/8" | 22.0±0.5 | 30.0±0.5 | 4.0 | 0.5 | 3.5 | 15.0 | 125 | 420 |
| C28.5 | 28.5 | 9/8" | 28.5±0.5 | 40.0±0.5 | 5.75 | 0.5 | 1.5 | 12.0 | 150 | 831 |
Product Information
SAE J2064 / SAE J3062 / QC/T664-2019 compliant.
5-layer construction: outer EPDM, PET reinforcement, middle EPDM, inner PA, innermost EPDM/CSM/IIR.
Enhanced heat resistance for near-engine and exhaust-adjacent routing.
Working pressure 3.5MPa, minimum burst pressure 15.0MPa.
Temperature range from -40°C to +135°C.
Compatible with R134a and R1234yf.
Available in standard AC hose sizes.
Suitable for city buses, shuttle buses, and coaches.
Order a 3-meter sample and run your own heat aging test against your current hose. We will provide the test procedure and a comparison data sheet.
FAQ