Rotork plc Datasheets for Manual Valve Actuators

Manual Valve Actuators:

Manual valve actuators do not require an outside power source. They use a handwheel or lever to drive a series of gears whose ratio results in a higher output torque compared to the input (manual) torque.
Manual Valve Actuators: Learn more

Product Name Notes
Override Quarter-turn Operators, ILG-D/ILG-S Range Gearboxes Complete range of manual declutchable sandwich override quarter turn gearboxes for double acting pneumatic actuators. Torque range up to 7,452Nm (5,500 lbsft). 6 sizes. Ratios from 35:1 to 86:1 Stainless...
Dual Shaft Bevel Gear Operators, DSB Range Gearboxes Complete range of multi turn bevel gearboxes with two shafts for use with dual stem sluice gates and penstocks. Torque range up to 10,846Nm (8,000 lbsft). Thrust range up to...
Bevel Gear Operators, HOB/MPR Range Gearboxes Cost effectively designed commodity hand operated bevel gears suited for sluice gates, gate, and globe valves. Torque range up to 1,355Nm (1,000 lbsft). Thrust range up to 356KN (80,000 lbs).
Heavy Duty Quarter-turn Modulating Gearbox, MOW Range Heavy duty quarter turn modulating gearboxes suited for control valves. Torque range up to 47,000Nm (34,500 lbsft). 9 sizes. Ratios from 40:1 to 2940:1 Up to 1,200 starts per hour...
Handwheel Manual Override -- HWMO K-TORK offers a de-clutch gearbox manual override that mounts between the actuator and the valve to provide for manual valve operation in the event of air failure or for emergency...
Multi-turn Worm Gear Operators, MTW Range Gearboxes Multi turn worm gearboxes used for applications such as sluice gates and dampers. Torque range up to 162,000 Nm (119,000 lbsft) 11 sizes Ratios from 40:1 to 5760:1 Ground and...
Manual and Motorised Multi-turn Gearboxes, IS Range Rotork Gears Series IS operators are Multi-turn devices intended for the operation of gate, globe, sluice and penstock valves. These gearboxes are suitable for manual and motorised applications. Torque range...
Light-duty Worm Gear Operators, 232 Range Gearboxes The 232 range of quarter-turn operators have a dye cast aluminum housing and are intended for applications in power waterworks and gas pipelines, HVAC, fire protection and most general industrial...
Quarter-turn Worm Gear Operators, AB/242 Range Gearboxes The AB range of quarter-turn operators have a cast iron housing and are intended for applications in chemical, power, waterworks, HVAC and most general industrial applications. Cast iron housing (ductile...
Manual and Motorised Quarter-turn Gearboxes, IW Range The IW range of quadrant wormgear valve operators is available in manual and motorised configurations and features a removable sleeve to facilitate bore and keyway machining. This sleeve can be...
Quarter-turn Worm Gear Operators, FB Range Fire Protection Gearboxes The new durable and economic FB series of gearboxes are capable of withstanding in excess of three times rated input torque and a lifespan of over 1000 cycles. Also incorporated...
Self-contained Fail-Safe Actuators, manPOWER Range The Rotork manPOWER range provides high-integrity fail-safe valve operation without the need for any external power supply. The self-contained system is suitable for workshop or field mounting on a wide...
Mechanical Fluid Power Stepping Actuators, Twin Power Range The Twin Power is a robust multi-turn actuator suitable for use with rising stem or rising wheel valves. Its modular design is available in both pneumatic and hydraulic powered variants.
Subsea Quarter-turn Operators, WGS Range Gearboxes The WGS range of quarter-turn operators are designed for heavy-duty subsea applications at any depth with carefully chosen materials to offer the highest level of reliability required in this very...