... Nylon Pneumatic Braking Serpentine Pipe has smooth inner walls and is highly featured with fast response, good retractility, ... little pressure loss, wear resistance, ageing resistance, etc. and can be widely used as pipelines for the braking systems ... with the circuit of semi-trailers, trailers and haulers.number of turnsworking duration(m)working temperature(°C)max. working pressure(Mpa)diameter( ...