Built In PST Smart Valve Positioner With Short Stroke Test Function C41FY-LSB

Built-In PST Short-Stroke Test Function Smart Valve Positioner

Without external solenoid valve and power-off comparator, it can easily realize the function of fault blocking, and cooperate with the air lock valve to achieve three-break position retention.

Product application field

TORLEO brand TOP-5879F1 series smart valve positioner are used in conjunction with pneumatic control valves, and are widely used in metallurgy, power generation, paper-making, environmental protection and other industries where process control is required.

Typical valve application

Double-acting ball valve, double-acting butterfly valve, V-shaped ball valve, yellow valve, damper valve

Technical features of the product

• Based on nozzle baffle + symmetrical membrane valve technology, it has strong resistance to moisture and oil pollution on site and high reliability;
• One-key auto-tuning, fool-like operation, easy for users to use and debug;
• Without external solenoid valve and power-off comparator, it can easily realize the function of fault blocking, and cooperate with the air lock valve to achieve three-break position retention;
• Built-in PST short-stroke test function to monitor the mechanical state of the shut-off valve online to ensure reliable action of the shut-off valve;
• On-line replacement of locator faults to ensure stable production process and equipment safety during maintenance;
• Modular structure design, convenient for users to choose feedback output and HART function;
• Built-in valve upper and lower limit contact output, convenient for on-site chain control;
• LCD screen and keyboard design, no need for a manual operator, easy debugging and tuning;
• Adopting advanced control algorithm, the control accuracy can reach within 0.3%.
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Performance indicators

 Selection guide for TOP-5879F1 series smart valve positioner