Key Features of Koso Positioners
- High Precision: Koso Positioners offer exceptional accuracy, allowing for precise control of valve positions even in demanding environments.
- Rapid Response: These devices are known for their quick response times, enabling swift adjustments to changing process conditions.
- Robust Construction: Built to withstand harsh industrial conditions, Koso Positioners are durable and reliable.
- Modular Design: The modular design of Koso Positioners allows for easy customization and maintenance.
- Advanced Diagnostics: Built-in diagnostic features help identify and troubleshoot potential issues, minimizing downtime.
- Wide Range of Models: Koso offers a diverse range of positioners to suit various applications, including single-acting, double-acting, and special-purpose models.
- Compatibility: Koso Positioners are compatible with a wide range of valves and actuators, making them versatile and adaptable.
Specification of Koso Positioner EPB801 Electro-pneumatic Positioner
| Type | EPA800 for single acting | EPC800 for double acting | EPB800 for 5200LA actuator |
| Input signal / Characteristic | 4 to 20, 4 to 12, 12 to 20 mA DC / Linear | ||
| Air supply | 140 to 700 kPa | ||
| Single acting type | Double acting type | Double acting type | |
| Linearity/Hysteresis | +/-1.0%/0.5% | +/-1.5%/0.8% | +/-1.5%/0.8% |
| Response level/Repeatability | 0.1%/0.2% | 0.2% / 0.3% | 0.2% / 0.3% |
| Air consumption | Output air pressure(50%): 5 NL/min. at Sup. 140 kPa [gauge] | Output air pressure(50%): 15 NL/min. at Sup. 400 kPa [gauge] | Output air pressure(50%): 15 NL/min. at Sup. 400 kPa [gauge] |
| Max. capacity | Output atmosphere: 175 NL/min. at Sup. 140 kPa [gauge] | Output atmosphere: 400 NL/min. at Sup. 400 kPa [gauge] | Output atmosphere: 400 NL/min. at Sup. 400 kPa [gauge] |
| Enclosure | Weather proof type, Explosion proof type, Intrinsically safe explosion proof type | Weather proof type, Explosion proof type, Intrinsically safe explosion proof type | Weather proof type, Explosion proof type, Intrinsically safe explosion proof type |
| Air/Electric wiring connection | Rc. 1/4/G1/2 | ||
| Environment temp. | Standard model: -20 to +80°, Low temp.model: -50 to +60°, High Temp.model: 0 to +100° | ||
Applications of Koso Positioners
- Oil and Gas: Controlling flow rates in pipelines and refineries.
- Power Generation: Regulating steam and water flow in power plants.
- Chemical Processing: Precise control of chemical feed rates and reactor conditions.
- Pulp and Paper: Optimizing pulp and paper production processes.
- Water Treatment: Controlling water flow and chemical dosing in treatment plants.
