Rail Vacuum NR Hose according to TB
Negotiable /Meter
Min.Order:15 Meters
Chongqing Hengtai Electromechanical Equipment Co., Ltd.
Drawing
|
Structure
Technical Parameter
Tests | EN(16*24) |
Hydrostatic test | 5.0Mpa |
Elongation | Arrange from +2%-4% at press of 5.0Mpa |
Leakage test | Keep 14.0Mpa for 5-5.5 mins |
Burst test | ≥20Mpa |
Bending test | ≤10% |
Pulse test | Pulsating Pressure 6.25Mpa |
Pulse frequency:60/min | |
Medium Temperature:100℃±3℃ | |
Waveform:Square | |
Low temperature leak test | -40℃±2℃ *24h with bending180° |
Friction test(Adhesion) | Between tube and plies:4.0kN/mm Between cover and plies:3.8kN/mm |
Ozone test | Concentration:50pphm Last for:72 h With temperature:40℃ |