Product Overview
The ARCA 827A.X2-A00-M1 is a high-precision electro-pneumatic positioner engineered by ARCA Regler GmbH for direct integration with pneumatically actuated control valves. Operating on a force-balance feedback principle, the positioner receives a standardized electrical control signal (4–20 mA) and modulates the pneumatic supply pressure to the actuator, achieving accurate and repeatable valve stem positioning proportional to the input signal. The 827A series is designed for demanding process control loops where precise throttling, fast dynamic response, and long-term stability are essential. Its modular architecture supports both single-acting and double-acting spring-return or double-return pneumatic actuators, making it a versatile automation component for flow, pressure, temperature, and level control applications across the process industries.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Electro-Pneumatic Positioner (Valve Automation Accessory) |
| Model Designation | 827A.X2-A00-M1 |
| Input Signal | 4–20 mA DC (standard analog control signal) |
| Pneumatic Supply Pressure | Up to 6 bar (typical instrument air, oil-free, dry) |
| Actuator Compatibility | Single-acting and double-acting pneumatic actuators |
| Operating Pressure | Standard Industrial Grade (up to rated bar) |
| Mounting & Connection | Standard ISO / Manufacturer Interface (NAMUR-compatible mounting) |
| Feedback Principle | Force-balance mechanical feedback with position sensing |
| Housing Protection | Industrial-grade enclosure for harsh process environments |
Engineering Features & Advantages
- Precision Performance: High-resolution electro-pneumatic signal conversion delivers accurate valve stem positioning with minimal dead band, ensuring tight process control and repeatable setpoint tracking.
- Fast Dynamic Response: Optimized pneumatic relay and nozzle-flapper mechanism provide rapid response to input signal changes, critical for fast-acting control loops.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with robust construction resistant to vibration, temperature variation, and contaminated plant air.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, including NAMUR-compatible mounting and standardized pneumatic connections for straightforward retrofit.
- Versatile Actuator Support: Configurable for both single-acting and double-acting actuators, reducing spare parts inventory and simplifying plant standardization.
Typical Industrial Applications
The ARCA 827A.X2-A00-M1 electro-pneumatic positioner is deployed in demanding process control environments including chemical and pet
PRODUCT IMAGES
ARCA 827A.X2-A00-M1 Electro-Pneumatic Positioner
⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
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