Gears
WORM SCREW GEARBOXES
MAIN FEATURES:
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Suitable for lifting the check valve clapper without in-line pressure
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Non reversible mechanism to lock open the check valve clapper during pigging operation
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Designed to allow normal check valve functionality if not operated by diver/ROV
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Factory set end stops for perfect check valve open alignment
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High strength materials for internal parts
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Seawater resistant materials for all exposed parts
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Redundant dynamic sealing on external moving parts
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Pressure compensated for any water depth (Close/Open type)
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3D Cube position indicator easily visible by side by ROV
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API 17D, ISO 13628-8 or tailor made ROV interface
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Horizontal or vertical ROV interface as per cutomer requirement