Rotork plc Datasheets for 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
Motorised Heavy-Duty Quarter-Turn Gearbox -- IW Range Complete range of heavy-duty cast and ductile iron quarter-turn worm gearboxes suited for plug, ball and butterfly valves serving the water and waste water, gas, chemical, power, and general industrial...
Motorised Multi-Turn Gearbox -- IS Range Complete range of heavy-duty cast iron multi-turn spur gearboxes suitable for the most demanding motorized applications where the gearbox input shaft needs to be parallel with the valve stem for...
Override Quarter-Turn Gear Operator -- ILG-D Range Complete range of manual declutchable sandwich override quarter-turn gearboxes for double-acting pneumatic actuators. • Torque range up to 17,000 Nm (13,000 lbf.ft). • 9 sizes. Ratios from 35:1 to 468:1.
Dual Shaft Bevel Gear Operator -- DSB Range Complete range of multi-turn bevel gearboxes with two shafts for use with dual stem sluice gates and penstocks. • Torque range up to 8,135 Nm (6,000 lbf.ft). • Thrust range...
Multi-Turn Hand Operated Bevel Gear -- HOB/MPR Range Hand operated bevel gears suited for sluice gates, gate, and globe valves. • Torque range up to 8,018 Nm (5,914 lbf.ft). • Thrust range up to 1,557 kN (350,028 lbf).
Heavy-duty Quarter-turn Worm Gear Operator -- AB Range Heavy-duty cast iron quarter-turn gearboxes suited for ball, plug and butterfly valves serving the water, gas, chemical, power, and demanding industrial applications. • Torque range up to 32,000 Nm (23,600...
Heavy-Duty Quarter-Turn Modulating Worm Gearbox -- MOW Range Heavy-duty quarter-turn modulating gearboxes suited for control valves. • Torque range up to 47,000 Nm (34,500 lbf.ft). • 9 sizes. Ratios from 40:1 to 3,000:1. • Up to 1,200 starts...
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...
Light-Duty Quarter-Turn Worm Gear Operator -- 232 Range Light-duty cast aluminum quarter-turn gearboxes suited for HVAC, fire protection, and general industrial applications. • Torque range up to 1,500 Nm (1,106 lbf.ft). • 7 sizes. • Ratios from 37:1...
Quarter-Turn Fire Protection Worm Gear Operator -- FB Range Quarter-turn cast iron gearbox suitable for use with fire protection (i.e. sprinkler) systems, includes limit switches to be incorporated into a supervisory electrical circuit. Designed and tested specifically to meet...
Multi-Turn Worm Gearbox -- MTW Range The multi-turn worm gearboxes are used for applications such as sluice gates and dampers. • Torque range up to 162,000 Nm (119,000 lbf.ft). • 11 sizes. Ratios from 40:1 to...
Fail-Safe Actuator Control System -- manPOWER The Rotork manPOWER range high-integrity fail-safe valve operation without the need for any power supply. The self-contained system is suitable for workshop or mounting on a wide range of rotary...
Subsea Quarter-turn Gearbox -- WGS Range The WGS range of quarter-turn gearboxes 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...