Quarter Turn ( 90 degrees) Electrohydraulic Valve Actuators and Hydraulic Valve Actuators Datasheets

Compact Helical, Pneumatic & Hydraulic Valve Actuators, CQ Range
from Rotork plc

CQ Range, single and double-acting, pneumatic and hydraulic, compact helical actuators. The RFS CQ range is an innovative fully concentric balanced design based on a helical mechanism, transforming the linear motion of the piston into a quarter-turn rotation of the valve stem to operate a... [See More]

  • Full Range of Rotary Motion: 90°
  • Actuator Torque: 5.31E6
  • Valve Motion: Rotary
  • Actuator Type: Piston Cylinder
Actuator -- Model EH-059
from Gosco Valves

Positioner, switch, fail safe, # of auxiliary limit switches option [See More]

  • Full Range of Rotary Motion: 90°
  • Actuator Torque: 155 to 390
  • Valve Motion: Rotary
  • Control Signal Input: Milliampere (optional feature); Voltage (optional feature)
Double-acting Pneumatic Actuator -- ACTO
from KSB AG

Design. Double-acting hydraulic actuator for mounting on quarter-turn valves (butterfly valves or ball valves). Top flange to ISO 5211. Control pressure up to 120 bar. Can be mounted on various types of valve stem ends (square end, flat end or key). Force transmission via rack-and-pinion,... [See More]

  • Full Range of Rotary Motion: 90°
  • Actuator Torque: 2478 to 1.33E6
  • Valve Motion: Rotary
  • Control Signal Input: Pressure
GH Series Hydraulic Quarter-Turn Valve Actuator -- GH085
from Millennium Power Services

GP (pneumatic) and GH (hydraulic) range scotch yoke actuators are designed to provide a rotary, quarter-turn movement for either on/off or modulating duty. The rugged yet compact design is available with two different yoke designs. The classic symmetric yoke delivers peak torque at both ends of... [See More]

  • Full Range of Rotary Motion: 90°
  • Actuator Torque: ? to 5.31E6
  • Valve Motion: Rotary
  • Actuator Type: Scotch Yoke
Hydraulic Actuators
from Pentair Valves & Controls

Quick-acting spring-return actuators for 90 ° valves fast operation. use of actuated valves with very short operating time ( <1 sec) especially during emergency conditions or process transients. special damping system to gradually reduce the speed in the last portion of the valve stroke,... [See More]

  • Full Range of Rotary Motion: 90°
  • Actuator Torque: 80000 to 6.64E6
  • Valve Motion: Rotary
  • Actuator Type: Piston Cylinder; Scotch Yoke