Product Overview
The ROTORK YTC YT310N1 is a high-precision electro-pneumatic valve positioner engineered by Rotork YTC (YTC Corporation), a globally recognized manufacturer of valve instrumentation and control accessories. This unit receives a low-level electrical control signal (typically 4–20 mA DC) and precisely modulates a pneumatic actuator’s supply air to position a control valve stem or rotary shaft in direct proportion to the command signal. As a force-balance, torque-motor driven positioner, the YT310N1 delivers accurate, repeatable valve positioning for throttling and on/off control loops in demanding process industries. It is designed for single-acting and double-acting pneumatic actuators and serves as a critical interface between the distributed control system (DCS) and the final control element, ensuring stable process regulation, fast dynamic response, and reliable performance in continuous-duty industrial service.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Electro-Pneumatic Valve Positioner (Process & Pneumatic Valve Accessory) |
| Model Designation | YT310N1 |
| Manufacturer | ROTORK YTC (YTC Corporation) |
| Input Signal | 4–20 mA DC (standard analog command signal) |
| Actuator Compatibility | Single-acting and double-acting pneumatic actuators (linear & rotary) |
| Supply Air Pressure | Standard industrial instrument air range (typically 1.4–7 bar / 20–100 psi) |
| Operating Temperature | Standard industrial ambient range (approx. -20°C to +70°C) |
| Mounting & Connection | Standard ISO / manufacturer yoke interface; NAMUR-compatible pneumatic ports |
| Enclosure | Weatherproof industrial housing with gauge block and adjustment access |
Engineering Features & Advantages
- Precision Signal-to-Position Control: The torque-motor and force-balance feedback mechanism translates the 4–20 mA input into highly accurate valve stem or shaft positioning, minimizing process deviation and improving loop stability.
- Fast Dynamic Response: High-capacity pneumatic relay and optimized nozzle-flapper design deliver rapid air delivery and exhaust, enabling quick valve stroking for tight throttling control.
- Split-Range & Characteristic Flexibility: Adjustable zero and span allow split-range operation and custom flow characteristics to match specific process control strategies.
- Industrial Reliability: Built for continuous operation under severe process conditions, with robust internal components resistant to vibration, temperature variation, and contaminated instrument air.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original ROTORK OEM standards, ensuring drop-in replacement without modification to existing manifolds or piping.
Typical Industrial Applications
It is designed for single-acting and double-acting pneumatic actuators and serves as a critical interface between the distributed control system (DCS) and the final control element, ensuring stable process regulation, fast dynamic response, and reliable performance in continuous-duty industrial service.
PRODUCT IMAGES

ROTORK YTC YT310N1 Electro-Pneumatic Valve Positioner
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- 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.
Shop the genuine ROTORK YTC YT310N1 Valve Positioner. This Korea-made electro-pneumatic component features a precise feedback mechanism, delivering leak-free, reliable control for heavy-duty industrial valve systems.