Rotork plc designs, manufactures, and markets actuators and flow control products worldwide. It operates through four segments: Controls, Fluid Systems, Gears, and Instruments. The company offers electric actuators and control systems, including intelligent multi-turn and part-turn valve actuators, part-turn/rotary and linear control valve actuators, heavy-duty part-turn/rotary and linear valve actuators, small part-turn/rotary valve actuators, and network control systems, as well as explosion proof actuators, sensors, switches, and controls. It also provides pneumatic and hydraulic rotary and linear, electro-hydraulic, subsea, and vane-type pneumatic valve actuators, as well as smart valve monitoring and control systems. In addition, the company offers manual and motorized multi-turn gearboxes and quarter-turn gearboxes; and worm gear quarter-turn, subsea quarter-turn, and override quarter-turn gear operators, as well as mounting brackets, extension shafts, pedestals, and accessories for the valve and actuator industry. Further, it provides instrumentation and control products, such as pneumatic pressure regulators, electro-pneumatic transducers, pneumatic air volume boosters, and pneumatic relays. Additionally, the company offers pneumatic valves and manifolds, which include air preparation, poppet valves, spool valves, ancillaries, direct acting solenoid valves, slide valves, and impact pneumatic manifolds. It also provides emergency and planned service, including installation, commissioning, and upgrading control systems, as well as troubleshooting and repair of damaged or deteriorating assets; and actuator overhauls, shutdown outages, preventative maintenance, technical support, and training services. It primarily serves power generation, oil and gas, water and sewage, marine, mining, and other industries. The company was incorporated in 1957 and is headquartered in Bath, the United Kingdom.