Declutchable worm gear offers simple and reliable manual positioning of the valves, dampers and other quarter-turn devices when overriding existing pneumatic, electric or hydraulic quarter-turn actuators. All unit are suitable for both indoor and outdoor installation. The modular design is to provide the most efficient and effective solution to a full range of manual overriding requirements.
Declutchable worm gear are applied to dampers, ball valves, butterfly valves and also other 90° quarter turn valves. Declutchable worm gear operator has variety models of hand wheel for optional.
Connect with Valve
The flange connecting to valve is according to ISO5210 , ISO5211 or DIN3210 (Customization)
To engage manual operation, first pull out the lock handle and then rotate the clutch lever in anti-clockwise direction until engagement takes place. To return to automatic mode, first pull out the lock handle and then rotate the clutch lever in clockwise
|3||Snap Spring||Spring Steel|
|4||Upper End Cap||Aluminium Die Casting|
|7||Body||Aluminium Die Casting|