Key Benefits and Advantages
Flameproof Design for Hazardous Areas: The TZIDC-200 is housed in a heavy-duty, flameproof enclosure. This design is engineered to contain any internal explosion and prevent the ignition of the surrounding flammable atmosphere, making it suitable for refineries, chemical plants, and gas processing facilities.
Automated Commissioning and Optimization: The positioner features fully automatic determination of control parameters. During the autostroke routine, the device adapts itself to the specific mechanical characteristics of the actuator and valve, ensuring optimal control behavior and providing significant time savings during plant startup.
Unmatched Vibration Immunity: As part of the TZIDC family, the 200 model maintains the industry-leading vibration and shock resistance of 10g up to 80 Hz. This ensures that the sensitive electronic components and the pneumatic relay continue to function accurately despite high levels of mechanical stress on the pipeline.
HART Communication and Diagnostics: With 4 to 20 mA HART capabilities, the TZIDC-200 offers bidirectional communication for remote configuration and maintenance. It provides diagnostic alerts and status signals that allow operators to monitor the health of the valve and positioner from the control room.
Modular and Compact Construction: Despite its ruggedized housing, the TZIDC-200 maintains a compact footprint. Its modular design allows for the easy addition of optional plug-in modules, such as analog position feedback or digital limit switches, without requiring a complete instrument replacement.
Efficient Pneumatic Performance: The device utilizes a high-capacity pneumatic relay with ultra-low steady-state air consumption. This efficiency minimizes the demand on the plant’s instrument air system while providing the rapid response needed for dynamic process control.
Technical Properties
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Operation: Digital-to-pneumatic valve positioner with HART.
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Communication: HART 5 or HART 7 (4 to 20 mA).
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Protection Class: Flameproof / Explosion-proof (Ex d).
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Vibration Immunity: 10g up to 80 Hz.
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Actuator Compatibility: Linear (sliding-stem) and Rotary (quarter-turn).
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Housing: IP65 / NEMA 4X (Aluminum standard).
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Operating Temperature: -40 to 85°C.
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Feedback System: High-resolution mechanical or optional non-contacting sensors.
Field of Application
The TZIDC-200 is the standard solution for high-precision control in hazardous zones where flameproof protection is mandated.
Primary Industries and Uses:
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Oil & Gas Refining: Reliable control for distillation columns and hydrocrackers.
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Petrochemical Plants: Managing high-pressure reactor valves in explosive atmospheres.
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Offshore Platforms: Durable and safe positioning for gas compression and separation units.
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Chemical Manufacturing: Accurate flow control in hazardous chemical storage and processing.
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Pharmaceutical: Precise valve modulation in environments using flammable solvents.
