The Tork-Mate 890 series extended life actuators are ideal for the operation of 90° turn devices such as butterfly valves, ball valves, plug valves, damper valves and other devices. Tork-Mate pneumatic actuators have features that are unique, providing many benefits to the user looking for worry-free service.
The Tork-Mate 890 series actuators feature pinion travel stops that allow a full /-10° of valve travel adjustment. As an option, extended stroke adjustment screws can be added for inexpensive throttling applications.
Special piston seals provide greatly extended life compared to standard O-ring actuators. All other bearings, seals and components have been engineered to provide superior and extended service lives.
