The Type 3277 pneumatic rolling diaphragm actuator, engineered for versatility across diverse industrial applications. This actuator boasts a linear motion design, seamlessly accommodating valve sizes from micro-flow valves to 4" globe control valves with precision. Its thrust force is influenced by several factors including actuator area, pneumatic supply pressure, spring stiffness, travel distance, initial spring compression, and the number of internal springs. With its robust construction and adaptable functionality, the Type 3277 actuator stands as a reliable solution for achieving optimal performance in your operational setups.