http://www.parker.com/ipd us Instrument Tubing Selection Guide Gas Service Special ... care must be taken when selecting tubing for gas service. In order to achieve a ... ferrules penetrating the surface of the tubing. Penetration can only be achieved if ... the tubing provides radial resistance and if the ... tubing material is softer than the ferrules. ... Thick walled tubing helps to provide resistance. Tables 2-7 ... suitable for gas service. Acceptable tubing hardness for general application is ... better results can be obtained by using tubing well below this maximum hardness. For ... hardness of 80 Rb is suitable for stainless steel. The maximum allowed by ASTM is ... 90 Rb. System Pressure The system operating pressure is ... type, and more importantly, the size of tubing to be used. In general, high pressure ...
http://www.parker.com/ipd us Instrument Tubing Selection Guide Note: All working ... pressures have been calculated All calculations ... ANSI B31.3, Chemical Plant All working pressures are ambient (72 oF or 22 oC) and ... factor in determining the proper tubing material. Copper and aluminum tubing ... suitable for low temperature media. Stainless steel and carbon steel tubing are ... which should be applied to the working pressures listed in Tables 2-7 for elevated ... 2-7 for elevated temperature working pressure. EXAMPLE: 1/2 inch x .49 wall seamless ... 316 stainless steel tubing has a working pressure of 3700 psi ... 8 above) and the at temperature system pressure would be 3700 PSI x .80 2960 PSI. ... Monel F C) Copper Aluminum 316 SS 304 SS Steel 400 100 (38) 1.00 1.00 ...