Convalve Declutchable Worm Gearbox
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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 ISO5211.
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 |
Convalve Ayırma Kollu Dişli Kutusu (rediktör))
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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.