Rotork Fluid Systems’ product offering encompasses GP, CP and RC200 / RCI200 ranges of scotch-yoke pneumatic actuators, GH (scotch yoke) and RH (rack & pinion) hydraulic actuators, the GO range of gas-over-oil actuators, the HPG range of high-pressure direct-gas actuators and the Skilmatic range of electro-hydraulic actuators.
In addition to quarter-turn designs, most ranges are also available for linear valve applications. Many actuators are built for critical high-speed failsafe or emergency shutdown (ESD) duties in harsh locations, including subsea actuators for valves at depths measured in hundreds of metres.
Rack and pinion actuators often offer the most economical solution for quarter-turn valves that have a fairly constant torque requirement throughout the stroke.
RHQ actuators, an extension of the RH range, are designed for very high torque applications up to 5.5 million Nm (50 million lbf-in). The balanced design has a very compact footprint for a given output. Integral lifting lugs are designed to support the weight of both the actuator and the valve.
Ductile cast-iron or carbon-steel weatherproof housings (IP68)
Suitable for high-cycle duty
Lower swept volume than vane type actuators
Electroless nickel-plated cylinders with redundant piston seals
Rotork Fluid Systems - Skilmatic range of actuators offer a unique and reliable solution for electric fail safe and modulating control for both quarter turn and linear valves and dampers.
The actuators have been specifically designed for use in critical fail safe applications utilising an integral spring mechanism which provides the most reliable means of positioning valves to a pre-determined safe position to suit the process requirements.
Introducing the new Skilmatic SI Pro and EH Pro
The Skilmatic range of self-contained actuators, combine the simplicity of electrical operation with the precision of hydraulic control and the reliability of mechanical fail-safe action. With the introduction of the new highly intelligent control and monitoring system, the SI / EH Pro actuators provide the ideal solution for two position, safety shutdown in SIS or precise modulating control applications.
SI / EH Pro provide the benefits of reliable valve actuation by combining existing proven Skilmatic features with the benefits of a new HMI, monitoring, datalogging and communications. The Pro options provide the ability to provide a valve signature profile and characterise the output
We are well versed with supplying subsea product to meet the harsh conditions and stringent demands of subsea applications. The subsea product range encompasses actuator and gearbox designs for retrievable and non-retrievable applications. Our engineering group works closely with contractor and end-user engineers to meet specific project requirements.
Hydraulic quarter-turn and linear subsea actuators in double-acting and spring-return configurations
Subsea & splashzone trims
Retrievable and non-retrievable designs
Multitude of design options available
Installed base dating back to 1992 at depths over 2,500 metres
The SVM (Smart Valve Monitor) is a sophisticated partial stroke testing system for both pneumatic and hydraulically actuated on/off valves. Although primarily used on shutdown valves, the system is also suitable for blow-down, subsea, HIPPS and process shutdown applications. There are design variants for both hazardous and safe area installation.
Type K are a range of rotary and linear damper drives for utility power plants, refineries and other industries that require precise combustion air and flue gas handling solutions. Type K retrofit damper drives have proven to increase operating efficiency, reduce maintenance and downtime and lowering harmful emissions.
Features:
Direct ‘Drop-In-Place' design matches existing damper drive take-out dimensions
Torque output up to 28,201 Nm (20,800 ft-lbs)
High-speed operation as quick as 3-5 seconds full scale
Highly accurate and responsive
Safety and Serviceability
Harsh environment / high-temperature design
Infinite duty cycle
Products/Applications:
PM Series - Pedestal Mount rotary damper drive
F.D. and I.D. Fan Drives
Primary and Booster Air Fan Drives
Pulverizer Drives
Superheat and Reheat Drives
Nozzle Tilt Drives
DM Series - Direct Mount rotary damper drive
Fuel Air & Aux. Air Drives
SOFA Box Drives
FGD System Drives
Stack Drives
Air Register Drives