GF Ball Valve Type 167-170

GF Ball Valve Type 167-170 are designed as a modular upgradeable 3-way ball valve for mixing and diverting applications which demand special process requirements. Ball valves of types 167 – 170 are based on the Ball Valve Type 543 and the electric actuator EA or the smart electric actuator dEA.. Function Butterfly valves of types 567 and 578 have a double-eccentric mode of action and are of modular construction. Double eccentric operating principle The disc does not touch the seal in the open position. The disc can be quickly unscrewed from the gasket, ensuring low wear and tear. Pressure surges in the direction of flow can be absorbed more readily. Use as a process and control valve The butterfly valves can be equipped with corresponding pneumatic or electrical actuators and used as process and regulating valves. With extensive accessories, such as the integrated electrical position indicator. This enables direct feedback of the axis position in the valve head flange by means of limit switches and thereby an exact determination of the position of the valve disc. Applications: • Chemical process industry • Seawater desalinization systems • Life science industry industry • Microelectronics • Measurement and control • Water treatment • Diverting function in shipbuilding Benefits/features: • Electrical feedback with additional limit switches of different designs integrated into the actuator or in the multifunction module (optional 4-20 mA with Positioner) • Rotation angle up to 355°; Preset to 0°-90° • Up to 3 freely selectable stop positions (open/middle/close) • Integrated emergency manual override • Optional: Fail-safe return unit with or without integrated battery pack • Optional: Cycle time monitoring • Optional: Cycle counter • Optional: Cycle time extension • Optional: Motor current monitoring Flow media Neutral and aggressive media with a small amount of particles/solids. The chemical resistance is independent of the selected valve material

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