SCR urea supply pipe SCR urea reflux pipe SCR urea injection tube made of ETFE/PA12 material ETFE/PA12 material ETFE/PA12 diameter 6.0mm inner diameter 4.0mm inner diameter 3.0mm diameter 8.0mm diameter 6.0mm diameter 5.0mm wall thickness of the pipe wall thickness of 1.0mm tube wall thickness of 1.0mm tube bending radius 1.0mm 42mm bending radius bending radius of 35mm 30mm > (at 6.9Mpa burst pressure; 24 DEG C) explosion pressure & 8.3Mpa (at; gt; 24 DEG C) blasting pressure & gt; 8.3Mpa (at ~ 24) temperature range of -60 DEG ~+125 DEG C temperature range of -60 ~ +125 the temperature range of -60 DEG ~+125 DEG