... Temperature Range -40 ° up to +60° C InsideDiameter (mm)OutsideDiameter (mm)Approximate Weight (gr/m)Maximum Recommended Vacuum (Bar)Maximum Recommended ... 0,513538,148,8 0,514550,861,5 0,4155 Part List Inside DiameterLengthPart Number25,4 mm - 1"... 31,8 mm - 1-/4 ... "......38,1 mm - 1-1/2"......50,8 mm - 2"...... Connection pipe