Product Overview
The POWER-GENEX EPR-WN2SN3NTN is a high-precision electro-pneumatic valve positioner engineered to deliver accurate, repeatable positioning of pneumatically actuated control valves in demanding process and industrial environments. As a member of the POWER-GENEX EPR series, this positioner converts a standard electrical control signal into a proportional pneumatic output pressure, ensuring precise valve stem positioning in response to command signals from a distributed control system (DCS) or programmable logic controller (PLC). The EPR-WN2SN3NTN is designed for robust, long-term operation in process control loops where accurate flow, pressure, or level regulation is critical, offering superior dynamic response and minimal steady-state error compared to conventional positioner designs.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Electro-Pneumatic Valve Positioner (Process & Pneumatic Valve Accessory) |
| Model Designation | EPR-WN2SN3NTN |
| Input Signal | Standard 4–20 mA DC electrical control signal |
| Output / Actuation | Proportional pneumatic output to single- or double-acting actuators |
| Operating Pressure | Standard Industrial Grade (regulated supply air, up to rated bar) |
| Mounting & Connection | Standard ISO / Manufacturer Interface (NAMUR-style bracket compatible) |
| Feedback Method | Mechanical stem position feedback with precision linkage |
| Enclosure Protection | Industrial-grade housing for harsh plant environments |
Engineering Features & Advantages
- Precision Performance: High-resolution electro-pneumatic conversion delivers accurate, repeatable valve positioning with minimal hysteresis and deadband, ensuring tight process control.
- Fast Dynamic Response: Optimized pneumatic relay and nozzle-flapper (or equivalent) architecture provides rapid response to control signal changes, improving loop stability.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, including vibration, temperature variation, and contaminated plant air environments.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, enabling straightforward retrofit or replacement without actuator modification.
- Flexible Actuator Compatibility: Suitable for both single-acting and double-acting pneumatic actuators, supporting linear and rotary valve configurations.
Typical Industrial Applications
The POWER-GENEX EPR-WN2SN3NTN electro-pneumatic valve positioner is widely deployed in process industries requiring precise pneumatic valve control. Typical applications include chemical and petrochemical processing plants for flow, pressure, and level control loops; oil and gas refining operations with critical control valves; power generation facilities for steam and water regulation; water and wastewater treatment plants for modulating butterfly and gate valves; and general industrial process automation where reliable electro-pneumatic signal conversion and accurate valve positioning are essential for safe, efficient operation
PRODUCT IMAGES
POWER-GENEX EPR-WN2SN3NTN Electro-Pneumatic Valve 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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