The Intelligent Valve Positioner is a digital integrated automation component equipped with a microprocessor and LCD display module. It supports automatic stroke calibration without complicated manual adjustment and is compatible with multiple communication protocols including 4-20mA analog signals, HART, and Modbus.
The device can remotely transmit valve position, pressure, and fault information to industrial DCS control systems. Built-in self-diagnostic functions continuously monitor problems such as valve sticking, air leakage, and abnormal signals, providing timely alarms for improved system reliability.
Designed with vibration-resistant, dust-proof, and moisture-resistant pneumatic modules, it performs reliably in harsh industrial environments including petrochemical plants, coal chemical facilities, and power stations. Customized explosion-proof, low-temperature, and corrosion-resistant versions are available.
Application Areas:
High-temperature and high-pressure petrochemical control valves, coal chemical slurry regulation systems, lithium battery automated production lines, intelligent steam control pipelines, pharmaceutical precision control valves, and environmental desulfurization processes.
Huizheng Standardized Complete Service System
Pre-sales Technical Support
After receiving actuator models, communication protocols, and operating conditions, Huizheng engineers provide complete matching solutions and valve-actuator-positioner assembly drawings. Sample testing under actual working conditions is supported.
Production Process Monitoring
During manufacturing, customers receive calibration test videos, complete valve pressure test records, packing details, and production progress updates. Export orders include full customs documentation.
After-sales Technical Team
Professional engineers provide logistics tracking, remote commissioning guidance, and maintenance support. Replacement components can be supplied quickly when required, with lifetime technical consultation for automation system matching and valve upgrades.
Basic Parameters
|
Parameter |
Specification Range |
|
Input Signal |
4-20mA DC, HART / RS485 Modbus Compatible |
|
Air Supply Pressure |
0.14~0.7MPa |
|
Output Air Pressure |
0~0.5MPa Linear Output |
|
Adjustment Accuracy |
±0.2%FS |
|
Functions |
Automatic Stroke Calibration, Fault Diagnosis, LCD Display |
|
Explosion-proof Option |
Ex d II BT4 Explosion-proof Type |
|
Protection Grade |
IP67 |
|
Working Temperature |
-30℃~85℃ |
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