Koso EPB811 Positioner

This series is for positioning of pneumatic actuator oper-ated cotrol valves. Input signal 4 to 20mA DC is changed to air pressure. Accurate positioning is achieved by having valve position feedback from valve stem.

SpecificationsTypeEPA800 for single actingEPC800 for double actingEPB800 for 5200LA actuatorInput signal / Characteriatic4 to 20, 4 to 12, 12 to 20 mA DC / LinearAir supply140 to 700 KPa Single acting typeDouble acting typeLinearity/Hysteresis+/-1.0% / 0.5%+/-1.5% / 0.8%Response level/Repeatability0.1% / 0.2%0.2% / 0.3%Air consumptionOutput air pressure(50%)
5 Nl/min. at Sup. 140 KPa [gaug]Output air pressure(50%)
15 Nl/min. at Sup. 400 KPa [gaug]Max. capacityOutput atomosphere
175 Nl/min. at Sup. 140 KPa [gaug]Output atomosphere
400 Nl/min. at Sup. 400 KPa [gaug]EnclosureWeather proof type, Explosion proof type, Intrisically safe explosion proof typeAir/Electric wiring connectionRc. 1/4 / G1/2Environment temp.Standard model: -20 to +80°, Low temp.model: -50 to +60°, High Temp.model: 0 to +100°

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