Pneumatic Piston Actuators
The STMT pneumatic Piston Actuators are used in requirements that exceed the typical capabilities of spring diaphragm actuators. This type of actuators are available in three different configurations:
➤ Description
Double-acting cylinder (without spring)
Single-acting cylinder (with spring), fail to open
Single-acting cylinder (with spring), fail to close
With optional manual override (Handwheel)
➤ Application
Large valve sizes
Long strokes or travels
High pressure drops
Tight shutoff
