Series NCA1 medium duty tie rod cylinders are NFPA interchangeable, have a crimped piston rod assembly, are pre-lubricated and available in 12 mounting styles. Bore sizes range from 1.5 to 4 inches. The XB6 high temperature resistant option is rated for use in environments up to 300° F (150° C). The XB7 low temperature resistant option is rated for use in environments down to -22° F (-30° C)