Smart Valve Single Acting Positioner Fail Lock Stainless Steel C45GF-LSB
Smart valve positioner, flameproof explosion-proof Exd, straight stroke, single acting, fail lock, stainless steel corrosion-resistant, split body anti-high temperature
Explosion-proof grade:
ExtDA20IP66T85℃ for dust explosion-proof type
ExdIICT6 for flameproof type
ExiaIICT4Ga for intrinsically safe explosion-proof type
Typical valve application
Diaphragm control valve, single-acting ball valve, single-acting butterfly 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.
Performance indicators
| Item | Indicator |
| Input signal | 4~20mA or 4~20mA+HART, split-range control can be set |
| Sensor type | flameproof stucture rotary |
| 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 | ExdIICT6 |
| Security level | SIL3 |
| Fault state |
fail lock Off power, off signal, the valve maintains position; add air lock valve to realize three-break position maintenance |
| Operating temperature | -30℃~85℃ (host), -40℃~110℃ (sensor) |
| Material | 316 stainless steel |
| Gross weight | Main unit 3Kg, sensor 1Kg |
| Dimensions | 162L*152W*182H (mm) |
Selection guide for TOP-5879F1 C series smart valve positioner
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