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.
  • TMHC 2324
    A proprietary two-step, hardcoat process that offers superior protection on interior and exterior housing surfaces, TMHC 2324 also ensures maximum life from the piston seals, piston bearings, and heel bearings.
  • NAMUR Mounting
    Tork-Mate 890 series actuators meet the latest NAMUR standards, allowing direct or close coupling of NAMUR designed accessories. The pinion interface features a positive, international standard drive for positioners, switches, and other accessories. The solenoid interface allows direct acceptance of any NAMUR-designed control valves.
  • Modular
    Easily removable end caps and modular spring packs simplify the conversion from double-acting to spring-return configurations.
  • Travel Adjustment
    The Tork-Mate 890 series actuators feature pinion travel stops that allow a full ±100 of valve travel adjustment. As an option, extended stroke adjustment screws can be added for inexpensive throttling applications.
  • Extended Cycle Life
    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.
  • Blow-out Proof Pinion Gear
    In addition to the stainless-steel pinion retaining ring, the Tork-Mate 890 series actuators feature a unique, internal safety bar.
  • Operating Ranges
    Tork-Mate 890 series, double-acting actuators produce guaranteed minimum torque outputs up to 17,466 inch/pounds (1973 Nm).
  • Imperial or Metric Mounting
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Item #

Torque Output at Operating Pressure 40 psi

Torque Output at Operating Pressure 60 psi

Torque Output at Operating Pressure 80 psi

Torque Output at Operating Pressure 100 psi

Torque Output at Operating Pressure 120 psi

Outboard Volume

250 N/A 112 in·lb N/A 168 in·lb N/A 224 in·lb N/A 280 in·lb N/A 337 in·lb N/A 8 in³
450 N/A 213 in·lb N/A 319 in·lb N/A 426 in·lb N/A 532 in·lb N/A 639 in·lb N/A 16.3 in³
1000 N/A 509 in·lb N/A 764 in·lb N/A 1019 in·lb N/A 1273 in·lb N/A 1527 in·lb N/A 32.9 in³
2250 N/A 1128 in·lb N/A 1692 in·lb N/A 2257 in·lb N/A 2820 in·lb N/A 3385 in·lb N/A 77.2 in³
5000 N/A 2608 in·lb N/A 3912 in·lb N/A 5216 in·lb N/A 6520 in·lb N/A 7824 in·lb N/A 171.3 in³
11000 N/A 5822 in·lb N/A 8733 in·lb N/A 11644 in·lb N/A 14555 in·lb N/A 17466 in·lb N/A 354.9 in³
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