DiameterPressureInches Range (mm)psibarSolid Shaft > 2 3 / > 4 18 - 24150*10*123 - 32130*9*1 > 1 Key / > 4 31 - 4270*5*1 > Wingnut 1 / > 2 37 - 5460*4* > "O" Ring SealGas HoseConnector Hollow Shaft Small Hollow > 1 / > 2 12 - 16100-150*7-10* > 3 / > 4 18 - 24150*10*123 - 32130*9*1 > 1 / > 4 31 - 4270*5* Hollow Shaft 1 > 1 / > 2 37 - 5444*4*248 - 6518 - 50* 1.2 - 3.4* 2 > 1 / > 1 2 60 - 7734 / > 2 *2.3*370 - 8715*1.0*495 - 11015*1.0* 5121 - 14212*0.8*6148 - 16210*0.6* > *=Pressure results depend upon exact ID of the tube/pipe, number of turns, conditions of the inside of the pipe and the material.OPERATORS...