Pneumatic Tubing Inside Diameter 0.25 in Length Order by the Foot Maximum Acceleration 164 m/sq sec Maximum Operating Pressure 174 psi Maximum Operating Temperature - Fixed 212 Degrees F Maximum Operating Temperature - Flexible 176 Degrees F Maximum Vacuum Pressure -15 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