Web Site Enter compressed air line features: Pressure pressure value Pressure unit selection select your unit bar(g) kPa psig Flow flow value Flow unit selection select your unit Nl/sec Nl/min Nm³/min Nm³/hr Scfm Pipe length pipe length Pipe length unit selection select your unit m ft. Main line layout Linear branch - Closed loop Linear branch Closed loop Find the most suitable pipe diameter: Pressure value Flow value Pipe length delta pression (5%) ΔP= Diameter calulated Calculate button CALCULATE Diameter calculated: Diameter calculated value mm Linear branch Linear branch with new steel pipe Linear branch with rusted steel pipe Closed loop Closed loop with new steel pipe Closed loop with rusted steel pipe Contact Us