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
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...
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...
Complete range of manual declutch able sandwich override quarter-turn gearboxes for double-acting pneumatic actuators. • Torque range up to 17,000 Nm (13,000 lb. Ft). • 9 sizes. Ratios from 35:1...
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 lb. Ft). • Thrust...
Hand operated bevel gears suited for sluice gates, gate, and globe valves. • Torque range up to 8,018 Nm (5,914 lb. Ft). • Thrust range up to 1,557 kN (350,028...
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 gearboxes suited for control valves. • Torque range up to 47,000 Nm (34,500 lb. Ft). • 9 sizes. Ratios from 40:1 to 3,000:1. • Up to 1,200...
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 cast aluminum quarter-turn gearboxes suited for HVAC, fire protection, and general industrial applications. • Torque range up to 1,500 Nm (1,106 lb. Ft). • 7 sizes. • Ratios from...
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...
The multi-turn worm gearboxes are used for applications such as sluice gates and dampers. • Torque range up to 162,000 Nm (119,000 lb. Ft). • 11 sizes. Ratios from 40:1...
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...
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...