Pneumatic Tubing Inside Diameter 0.28 in Length Order by the Foot Maximum Acceleration 164 m/sq sec Maximum Operating Pressure 145 psi Maximum Operating Temperature - Fixed 158 Degrees F Maximum Operating Temperature - Flexible 140 Degrees F Maximum Vacuum Pressure -14 psi Maximum Velocity - Supported 20 fps Maximum Velocity - Unsupported 33 fps Minimum Bend Radius Factor - Fixed 7.5 x OD Minimum Bend Radius Factor - Flexible 10 x OD