(40)These premium tie rod air cylinders are made to be drop in replacements for air cylinders that conform to NFPA (National Fluid Power Association) standards. Manufactured by SMC, these air cylinders are engineered to stand up in the most demanding applications. Max Pressure is 250 psi and the temperature range is 0 to 200 degrees F./Asset/NFPA-Tie-Rod-Air-Cylinders.jpg