Product Overview
The FAIRCHILD 4066AH is a high-precision electro-pneumatic transducer engineered by Fairchild Industrial Products, a recognized leader in pneumatic and electro-pneumatic control instrumentation. This device converts a variable electrical input signal (typically 4–20 mA, 0–10 VDC, or 1–5 VDC) into a proportional pneumatic output pressure, enabling seamless integration between electronic control systems and pneumatic final control elements. Unlike hydraulic pumps or fluid power generation devices, the 4066AH functions strictly as a signal conversion and pressure regulation instrument, delivering accurate, repeatable air pressure to valve actuators, positioners, and other pneumatic process components. Its robust construction and precision metering capabilities make it an essential interface component in demanding industrial process control loops.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Electro-Pneumatic Transducer (Process & Pneumatic Valve) |
| Model Designation | FAIRCHILD 4066AH |
| Operating Pressure | Standard Industrial Grade (Up to 150 PSIG / 10.3 bar rated output) |
| Input Signal | 4–20 mA, 0–10 VDC, or 1–5 VDC (model-dependent configuration) |
| Output Signal | Proportional pneumatic pressure (3–15 PSIG, 3–27 PSIG, or 0–150 PSIG ranges) |
| Mounting & Connection | Standard ISO / Manufacturer Interface (1/4″ NPT porting, panel or bracket mount) |
| Accuracy | ±0.5% of full scale (typical) |
| Supply Pressure | Up to 150 PSIG (10.3 bar) filtered air supply |
Engineering Features & Advantages
- Precision Signal Conversion: Advanced electro-pneumatic metering mechanism delivers highly accurate, repeatable pressure output proportional to the electrical input signal, ensuring precise control of downstream pneumatic actuators and valves.
- Industrial Reliability: Built for continuous operation under severe industrial conditions with a rugged housing, stable internal feedback mechanism, and resistance to vibration, temperature fluctuations, and contaminated air supplies.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original Fairchild 4066AH OEM standards, ensuring drop-in installation without modification to existing pneumatic control loops.
- Low Air Consumption: Efficient pilot-stage design minimizes compressed air usage while maintaining fast response times and stable output pressure.
- Wide Rangeability: Available in multiple input/output configurations to suit diverse process control requirements, from low-pressure instrument air to higher-pressure valve actuation.
Typical Industrial Applications
The FAIRCHILD 4066AH electro-pneumatic transducer is widely deployed in heavy industrial process control environments, including: oil and gas refineries</
PRODUCT IMAGES
FAIRCHILD 4066AH Electro-Pneumatic Transducer
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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 FAIRCHILD 4066AH Electro-Pneumatic Transducer. This USA-made high-precision component features a reliable electro-pneumatic design, delivering leak-free, accurate pressure control for heavy-duty industrial systems.