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ConnectionISO5211
TypeFig.520 Aluminum gear box
Fig.521 Cast iron /CF8M gear box (Chain gear box available)
Fig.522 Clutch gear box
Coreline gear boxes are designed for manual operation and manual override of quarter-turn valves, such as butterfly and ball valves. With ISO 5211 mounting interface, they provide reliable torque transmission, smooth operation and stable valve positioning in industrial piping systems. Multiple configurations are available to suit different operating requirements and installation conditions.
Fig.520/521/522 | Gear Box
• Used for manual operation of 90° rotary valves such as butterfly and ball valves, or as a manual override between valve and actuator.
• Easy operation with high transmission efficiency and high output torque.
• ISO 5211 standard mounting flange, double-square or key connection available.
• Standard protection class IP65, higher protection class available on request.
• Locking device available on request.
