Ductile iron housing, chrome plated steel cylinders and steel end-caps
Cylinders bore is chrome plated then honed to provide the ultimate in corrosion resistance and increased piston performance
Compact design utilising a unique two piston design
Safe spring design allows the actuator to be safely assembled and disassembled in the field without the need for special tools
Design consists of high strength the rods drilled and tapped at both ends to provide for the loading and unloading of the spring in a safe manner
Chrome plated steel piston rod provides strength and corrosion resistance for enduring high cycle applications
Heat treated stainless steel thrust pin transfer piston force to the steel yoke for efficient transmission of torque
Guide bands and piston cup seals ensure low-friction piston guidance during operation to protect cylinders walls from potential scoring and provides continuous cylinder wiping action
Spring return actuators are pre-piped with stainless steel tubing to provide air to both pistons with one single connection
ISO 5211 mounting pattern provides easy valve/actuator mounting using international standards
Unique hollow yoke design permits the use of a universal adapter for direct mounting to quarter turn valves
Top cover drilled to Namur standards, Namur drive slot in s haft on top of yoke enables accessory driven components to maintain a compact assembly
Sintered bronze piston rod bushing provides low-friction support precise alignment of the piston rod increases efficiency and provides extended actuator life and efficient torque transmission
Bi-directional travel stop located in the main housing to provide adjustment in open and closed direction ±5 degrees