Double Acting Pneumatic Positioner Dust Explosion Proof ExtD C45DY-LDB
Smart valve positioner, dust explosion-proof ExtD, straight stroke, double acting, fail lock, stainless steel corrosion-resistant
Performance comparison:
Fault locking (fail lock) function:
TORLEO: Yes
ABB: Yes
SAMSON: Yes
Azbil: No
Fisher: No
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 | M20*1.5 or 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 | ExtDA20IP66T85℃ |
| Security level | SIL3 |
| Fault state |
fail lock Off power, off signal, off gas, three-off to keep the position. It is recommended to add a gas lock valve for strict gas cut-off |
| Operating temperature | -30℃~85℃ |
| Material | 316 stainless steel |
| Gross weight | 3Kg |
| Dimensions | 162L*152W*182H (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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