SCR system adopts multilayer nylon tubes made of ETFE/PA12. These tubes have excellent performance of corrosion resistance and low(AdBlue) Urea solution permeation. They meet the requirements of SAE J844. SCR system is made up of supplying tubes,returning tubes and injection tubes.
Application :
Europe Ⅳ standard diesel vehicle SCR piping system
SCR system adopts multilayer nylon tubes which made of ETFE/PA2,These tubes have excellent performance of corrosion resistance and low Urea solution permeation.They meet the requirements of SAE J744,SCR system is made up of supplying tubes,returning tubes and injection tubes.Tube construction details are as follows: Suppling tube construction details Returning tube construction details Injection tube construction details Material ETFE/PA12 Material ETFE/PA12 Material ETFE/PA12 Inside diameter 6.0mm Inside diameter 4.0mm Inside diameter 3.0mm Outside diameter 8.0mm Outside diameter 6.0mm Outside diameter 5.0mm Wall thickness 1.0mm Wall thickness 1.0mm Wall thickness 1.0mm Bending radius 42mm Bending radius 35mm Bending radius 30mm Burst pressure 6.9Mpa(at 24) Burst pressure 8.3Mpa(at 24) Burst pressure 8.3Mpa(at 24) Temperature range -60~+125 Temperature range -60~ +125 Temperature range -60~+125 Inner tubes are the same as the above,but with the funtion of self-regulating heating. Voltage:U=24VDC(Peak Value:U=32DVC) Max Temperature: 70degree Specific quick connectors are fitted at the ends
Details: We recent development of automotive fuel systems:having imported advanced multi-layer extrusion lines and technology.The tube has excellent resistance to permeation,oil,corrosion and anti-aging.It applies to the mixtrue of fuel and ethanol,which can meet Euro IV.It is a kind of lightweight,high performance and environmentally friendly tube widely used in automotive fuel system. Five-layer tube with OD6mm,8mm,10mm etc. Out Layer PA12 Tie Layer Barrier Layer EVOH Tie Layer lnner Layer PA12 Executive Standard:SAE J2260 QC/T798-2008 Working temperature-40~115 Continuous working temperature90 Working pressure:0.7MPa No Test project unit requirement 1 Burst strength burst strength in room temperature MPa 5.6 burst strength in High temperature MPa 2.1 2 Bending performance min.Bending radius mm Meet QCT-798-2008 requirements Resistance to bending deformation -- Burst strength after bending MPa 5.6 3 Resistance to ZnCl2 apperance -- no cracking with oyter and inner tube surface burst strength in room temperature MPa 4.2 4 Cold-temp erature impact apperance -- no cracking in apperacnce burst strength in room temperature MPa 4.2 5 performance of permeation resistance permeation rate g/m.d 0.05 length change rate -- -1%~+1% burst strength in room temperature MPa 5.6 6 yield stress parallel Extrusion direction N/m 24 vertical Extrusion direction 25 elongation Extrusion direction % 170 vertical direction % 170 7 Performance of fuel resistance apperance -- no cracking in apperacnce Low-temperature impact -- no cracking in apperacnce burst strength in room temperature MPa 5.6 Stress yield at Extrusion direction N/m 20 Elongation at Extrusion direction % 150 layer adhesive force no clear delamination phenomenon between cutting layers
Details: PA nylon tube is made of the most chemically and physically stable type of Nylon 11 or 12(PA11 or PA12).The tube meets the requirements of DIN73378, DIN74324 and SAE J844 standards. These nylon tubes can be applied in oil, air, steaming pipelines, water of the automotives, engineering machines, assembling production lines and braiding machines etc. Performance & Features: 1.Stable dimensionBeautiful in apperanceSmooth inner&outer surface. 2.Corrosion resistance and no abnormal chemical reaction 3.Long useful life, aging resistance 4.Good bending performance 5.Good abrasion resistance 6.Good anti-vibration and anti-shock performance 7.Various in color 8.Suitable to various connectors 9.Good waterproof performance 10.High and cold T resistance(-40+100) Specification & Parameter OD Thickness Allowable (bar) Min. bend radius Marking 5 1 34 25 5x1 6 1 27 30 6x1 8 1 19 40 8x1 10 1 15 60 10x1 10 1.25 19 60 10x1.25 12 1.5 19 60 12x1.5 12.5 1.25 15 70 12.5x1.25 14 1.5 20 75 14x1.5 14 2 21 75 14x2 16 2 19 95 16x2 18 1.5 12 100 18x1.5