ViNtrol, Inc. is pleased to offer top-of-the-line products in flow control automation. The ViNtrol Series 21 are pneu-matically operated, quarter turn rotary, Scotch Yoke actuators. These actuators are built with several of the latest features that enhance safety and performance. The actuators are manufactured with state-of-the-art machinery and under a robust quality assurance system complying with ISO 9001: 2000. Sizes range from 4500 to 177,000 in-lbs.
Key Design Features:
- Standard mounting pads for all controls accessories
- Inherently safe, spring module to provide fail safe operation. The spring pack incorporates up to 2 springs for high torque, fully encapslated in a factory welded cartridge; this ensures safety to personnel & simplifies assembly
- Interchanging of spring module and cylinder is possible
due to modular construction
- Available with jack screw & compact
hydraulic manual override
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