- New
Intelligent self-contained electro-hydraulic actuator, linear up to 533,787 N or rotary up to 11,300 N·m, positioning accuracy better than 0.15 %, no air supply required.
ATEX / IECEx documentation supplied where stated
Incoterms agreed in each quotation
Price, lead time and certificates in every offer
The KOSO 3800 series (REXA) intelligent digital actuators combine the advantages of electric and hydraulic actuation: high speed, large output and precise positioning. A digital motor, gear pump and electronic control form a self-contained hydraulic system with no external air supply.
Key features
Standard specification
| Type | Linear Stem Motion Type / Rotary Stem Motion Type / Crank Arm Motion Type |
|---|---|
| Models | 3800LA / 3800RA / 3800DA |
| Max. output | 533787 N / 11300 N·m / 11300 N·m |
| Power source | AC100V 50/60Hz Options: AC120V, AC220V, AC440V, DC48V, DC24V |
| Max. stroke/angle | 550mm |
| Control signal | 4 to 20mA DC, Direct-digital, Pulse, Two position, Manual(up/down push-button) |
| Environment temp. | Actuator: -30 to +70°C(Options: +93°C) control enclosure: -40 to +60°C |
| Deadband | 0.05%(minimum) Selectable at the PCP between 0.05% and 5.0% of calibrated signal span |
| Positioning accuracy | < 0.15% of full stroke |
| Linearity | < 0.15% of full stroke |
| Repeatability | < 0.15% of full stroke |
| Enclosure type | NEMA 4 × (STD), FM approved Class 1, Div.2, Groups A, B, C & D and NEMA 4 × |
Applications
Automation of linear and rotary control and on-off valves in oil and gas, power, chemical and process plants.
Documentation
Detailed datasheets are available on request. Send us your process data (fluid, flow, pressures, temperature, line size and rating) with your quotation request so that KOSO can size and select the right model.