Description
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.
Applications
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)
Features
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
Material
| No. | Name | Material |
| 1 | Shaft | 45# Steel |
| 2 | Seal Ring | EPDM |
| 3 | Snap Spring | Spring Steel |
| 4 | Upper End Cap | Aluminium Die Casting |
| 5 | Screw | 304 |
| 6 | Pull Rod | 304 |
| 7 | Body | Aluminium Die Casting |
| 8 | Seal Ring | EPDM |
| 9 | Gear | EN-GJS-500 |
| 10 | Reducing Sleeve | EN-GJS-400 |
| 11 | Worm | EN-GJS-400 |
