Linear Pneumatic Valve Positioner Failsafe Double Acting C41FY-LDA
Smart valve positioner, intrinsically safe explosion-proof Exia, straight stroke, double acting, failsafe
Wuhan TORLEO Intelligent Co., Ltd. (stock code 102618) is an award-winning high-tech company that focuses on high-end intelligent control of industrial valves, and provides one-stop solutions for intelligent valve positioners based on nozzle baffle technology for petroleum, chemical, metallurgical, electricity, paper manufacturing, environmental protection, pharmaceutical and other industries as well as valve manufacturers.
Performance indicators
| Item | Indicator |
| Input signal | 4~20mA or 4~20mA+HART, split-range control can be set |
| Sensor type | N/A |
| Gas source | pressure 1.4~6bar; no oil, no moisture, no dust and dirt |
| Journey | 10~150mm |
| Input resistance | 490☊(max.)/20mA(DC) |
| Electrical interface | NPT1/2 or user customized |
| Pneumatic interface | NPT1/4 |
| Repeatability | ±0.3%F.S. |
| Linear | ±0.3%F.S. |
| Hysteresis | ±0.3%F.S |
| Sensitivity | ±0.2%F.S |
| Output characteristics | linear, quick opening (25:1, 50:1), equal percentage (1:25, 1:50) |
| Protection class | IP66 |
| Explosion-proof grade | ExiaIICT4Ga |
| Security level | SIL3 |
| Fault state |
failsafe Off power, off signal, off gas, the valve is in the initial state |
| Operating temperature | -30℃~70℃ |
| Material | die-cast aluminum |
| Gross weight | 2Kg |
| Dimensions | 240L*80W*110H (mm) |
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
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Nozzle baffle + symmetrical membrane valve structure, strong ability to resist dust, moisture and oil;
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Built-in keyboard and large LCD screen, the positioner can be debugged without a handheld operator;
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HART communication, modular design, convenient for users to choose and use;
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Valve position output, modular design, convenient for users to choose and use;
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Configure linear, quick opening, equal percentage and user-defined flow characteristics;
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One-key auto-tuning operation to meet the needs of users for quick installation and fool-like debugging;
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PID compound control algorithm can achieve 0.1-0.3% control accuracy.
Selection guide for TOP-5879F1 C series smart valve positioner
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