The "Blue and Improved" The Original Line® Rod Lock cylinder feature permanent grease lubrication. Design enhancements have more than doubled the anticipated service life of this cylinder, featuring a biased normally closed clamp on the piston rod that holds the rod in position when air pressure is not present. 

 Engineering Specifications

Pressure Rating: 50 PSI minimum (to actuate lock

piston),

125 PSI maximum

Temperature Range:

Buna N seals: -20° F (29° C) to 200° F (90° C)

Fluoroelastomer seals for high temperatures (up to 400°

F) available

Magnetic piston option: max. operating temp. is 185° F

Materials:

Rod: Hard chrome plated stainless steel

Body: 304 stainless steel

End Caps: Aluminum

Rod Lock Cap: Anodized aluminum

Rod & Pivot Bushings: Sintered bronze