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CVP2000-2
The CVP2000-2 Heavy-duty Explosion-proof Valve Positioner is a high-reliability intelligent control device purpose-built for industrial operators, process engineering professionals, and critical infrastructure managers in high-risk explosive environments. This SIL2-certified flameproof valve positioner delivers precision control for control valve opening, with a robust 274×171×176mm, 5.6kg enclosure engineered to withstand the harshest industrial conditions. Integrated with advanced pressure and vibration monitoring, APL communication, and predictive maintenance capabilities, it supports single and dual-acting actuators, ensuring stable, compliant, and efficient operation of critical process control systems in hazardous areas.
This SIL2 certified valve positioner for hazardous areas holds full Ex db/ia/tb flameproof certifications for gas and dust explosive atmospheres, paired with IP66 ingress protection and IEC61000 EMC compliance. Its heavy-duty enclosure delivers exceptional mechanical and environmental resistance, suitable for long-term operation in high-vibration, extreme temperature, and corrosive industrial settings.
Equipped with integrated pressure and vibration sensors, this intelligent valve positioner with predictive maintenance transmits real-time diagnostic data via APL to dedicated valve management software. It detects performance anomalies before equipment failure, drastically reducing unplanned downtime, minimizing maintenance costs, and extending the service life of control valves and actuators. Optional HART communication enables seamless integration with existing DCS systems.
The modular architecture supports flexible configuration, with an OLED display offering 0°/180° viewing options, forward/reverse action adjustment, and easy on-site calibration. Its standardized design simplifies component replacement, reducing maintenance time and ensuring minimal disruption to ongoing operations.
Item | Core Specifications |
Mode of action | Single acting / Double acting |
Stroke range | Linear actuator: 10mm~130mm; Rotary actuator: 30°~100° |
Compressed air pressure | 0.14~0.7MPa |
Compressed air requirement | ISO 8573-1 Class III (oil, solid particles); dew point 10°C below minimum operating temperature |
Steady state air consumption | <0.024Nm³/h |
Rated inlet flow rate (0.5MPa) | ≥7.8Nm³/h |
Rated exhaust flow rate (0.5MPa) | ≥14.4Nm³/h |
Rated signal range | 4~20mA |
Control accuracy | ±0.5% |
Hysteresis | ≤0.5% |
Deadband | 0.1%~10% adjustable |
Communication | HART (optional) |
Display | OLED, 0°/180° optional |
Protection class | IP66 |
Rated insulation voltage | 1000VAC |
This flameproof valve positioner for critical process operations is deployed in explosion-proof zones across core sectors: petroleum refining, pharmaceutical manufacturing, biotechnology, chemical engineering, metallurgy, power generation, steel production, new materials, and renewable energy. It is ideal for high-stakes applications including distillation column control, reactor flow regulation, steam system management, and pipeline pressure control, where reliable valve positioning directly impacts process safety, product quality, and operational continuity.
Mount the positioner to compatible linear/rotary actuators with secure mechanical alignment. Connect 0.14~0.7MPa compressed air meeting ISO 8573-1 Class III standards, complete electrical wiring per local explosion-proof regulations, adjust the OLED display angle, and calibrate the stroke range to match actuator specifications.
Configure the 4~20mA input signal, set forward/reverse action direction, and adjust deadband/control parameters to match process requirements. The device provides real-time valve position feedback, with optional HART communication for remote parameter adjustment and system integration.
Leverage the modular design for component replacement without full disassembly, and use APL-powered predictive diagnostics for proactive maintenance. Regularly inspect air connections, seal integrity, and calibration accuracy, with full guidance in the product user manual for long-term reliable performance.
