... Temperature Range -40 ° up to +60° C InsideDiameter (mm)OutsideDiameter (mm)Approximate Weight (gr/m)Maximum Recommended Vacuum (Bar)Maximum Recommended ... Positive Pressure (Bar)Minimum Centerline Bend Radius (mm)25,433,6 0,613031,840,7 0,513538,148,8 ... Inside DiameterLengthPart Number25,4 mm - 1"... 31,8 mm - 1-/4"......38,1 mm - 1-1/2"......50,8 mm - 2"...... Connection pipe ...